WO2019233272A1

WO2019233272A1 - Information transmission method, gateway device, core network device and storage medium

Info

Publication number: WO2019233272A1
Application number: PCT/CN2019/087715
Authority: WO
Inventors: 方海鹏
Original assignee: 华为技术有限公司
Priority date: 2018-06-04
Filing date: 2019-05-21
Publication date: 2019-12-12
Also published as: CN110557750B; CN110557750A

Abstract

Disclosed are an information transmission method, a gateway device, a core network device and a storage medium, and the method comprises: a first core network device receiving a request message from a sending device, wherein the request message carries a target user identifier, and the request message is used for instructing the requesting, from the first core network device, of information of a target slice corresponding to the target user identifier. Further, the first core network device acquires the information of the target slice according to the target user identifier, and sends the information of the target slice to the sending device, so that the sending device obtains address information of an NF in the target slice. It can be seen that the address information of the NF in the target slice corresponding to the target user can be determined in a multi-network-slice scenario.

Description

信息传输方法、网关设备、核心网设备以及存储介质Information transmission method, gateway device, core network device and storage medium

本申请要求于2018年6月4日提交中国国家知识产权局、申请号为201810565869.9、发明名称为“信息传输方法、网关设备、核心网设备以及存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of a Chinese patent application filed with the State Intellectual Property Office of China on June 4, 2018, with application number 201810565869.9, and the invention name is "Information Transmission Method, Gateway Equipment, Core Network Equipment and Storage Medium" The contents are incorporated herein by reference.

技术领域Technical field

本申请涉及通信技术领域，尤其涉及一种信息传输方法、网关设备、核心网设备以及存储介质。The present application relates to the field of communication technologies, and in particular, to an information transmission method, a gateway device, a core network device, and a storage medium.

背景技术Background technique

随着多样化的业务发展，不同业务对网络速度、网络性能、网络安全、网络可靠性、网络时延等方面的需求各不相同。对于这些差异化的需求，在第五代移动通信技术研究上，业界公认“网络切片”技术能够实现基于第五代移动通信技术(5th-Generation，5G)网络场景和需求，灵活地构建不同特征网络的能力。With the development of diversified services, different services have different requirements for network speed, network performance, network security, network reliability, and network delay. For these differentiated needs, in the fifth generation of mobile communication technology research, the industry acknowledges that the "network slicing" technology can realize the flexible deployment of different features based on the 5th-Generation (5G) network scenarios and requirements. Network capabilities.

相关技术中(例如，非5G的单网络切片场景中)，通过在网关设备上预先配置至少一个用户标识以及每个用户标识对应的网络功能(Network Function，NF)地址信息，以便于网关设备在收到第三方应用发送的携带有目标用户标识的业务请求时，可以根据预先配置的至少一个用户标识以及每个用户标识对应的NF地址信息，确定出目标用户标识对应的NF地址信息，进而执行相应的业务。In related technologies (for example, in a non-5G single network slicing scenario), at least one user identifier and network function (Network Function) address information corresponding to each user identifier are pre-configured on the gateway device, so that the gateway device can When receiving a service request carrying a target user ID sent by a third-party application, the NF address information corresponding to the target user ID may be determined according to at least one pre-configured user ID and the NF address information corresponding to each user ID, and then executed. Corresponding business.

但相关技术无法适用于多网络切片的场景下，因此，如何在多网络切片的场景下，确定出目标用户所对应的目标切片中NF的地址信息是亟待解决的技术问题。However, the related technology cannot be applied to the scenario of multiple network slices. Therefore, how to determine the address information of the NF in the target slice corresponding to the target user in the scenario of multiple network slices is a technical problem to be solved urgently.

发明内容Summary of the Invention

本申请实施例提供一种信息传输方法、网关设备、核心网设备以及存储介质，实现了多网络切片场景下确定出目标用户所对应的目标切片中NF的地址信息。The embodiments of the present application provide an information transmission method, a gateway device, a core network device, and a storage medium, so that the address information of the NF in the target slice corresponding to the target user is determined in a multi-network slice scenario.

第一方面，本申请实施例提供一种信息传输方法，包括：In a first aspect, an embodiment of the present application provides an information transmission method, including:

第一核心网设备从发送设备接收请求消息；其中，该请求消息中携带目标用户标识；该请求消息用于指示向该第一核心网设备请求该目标用户标识所对应的目标切片的信息；The first core network device receives a request message from a sending device; the request message carries a target user identifier; the request message is used to instruct the first core network device to request information about a target slice corresponding to the target user identifier;

该第一核心网设备根据该目标用户标识获取该目标切片的信息；Obtaining, by the first core network device, information about the target slice according to the target user identifier;

该第一核心网设备向该发送设备发送响应消息；其中，该响应消息中携带该目标切片的信息。The first core network device sends a response message to the sending device, where the response message carries information about the target slice.

第一方面提供的信息传输方法中，通过第一核心网设备根据请求消息中携带的目标用户标识获取目标用户标识所对应的目标切片的信息，并将目标切片的信息发送给发送设备，以便于发送设备获取到目标切片中NF的地址信息。可见，实现了多网络切片场景下能够确定出目标用户所对应的目标切片中NF的地址信息。In the information transmission method provided in the first aspect, the first core network device obtains information about the target slice corresponding to the target user identifier according to the target user identifier carried in the request message, and sends the target slice information to the sending device, so that The sending device obtains the address information of the NF in the target slice. It can be seen that the address information of the NF in the target slice corresponding to the target user can be determined in a multi-network slice scenario.

在一种可能的实现方式中，该目标切片的信息包括以下至少一项：该目标切片的特征信息和该目标切片中网络功能NF的地址信息。In a possible implementation manner, the information of the target slice includes at least one of the following: feature information of the target slice and address information of a network function NF in the target slice.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片的特征信息，该第一核心网设备根据该目标用户标识获取该目标切片的信息，包括：In a possible implementation manner, if the information of the target slice includes characteristic information of the target slice, the first core network device acquiring the information of the target slice according to the target user identifier includes:

该第一核心网设备根据该目标用户标识以及用户标识与切片特征信息之间的映射信息，确定该目标用户标识所对应的目标切片的特征信息。The first core network device determines characteristic information of a target slice corresponding to the target user identifier according to the target user identifier and mapping information between the user identifier and slice characteristic information.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片中NF的地址信息，该第一核心网设备根据该目标用户标识获取该目标切片的信息，包括：In a possible implementation manner, if the information of the target slice includes the address information of the NF in the target slice, the first core network device obtaining the information of the target slice according to the target user identifier includes:

该第一核心网设备根据该目标用户标识以及用户标识与切片特征信息之间的映射信息，确定该目标用户标识所对应的目标切片的特征信息；Determining, by the first core network device, characteristic information of a target slice corresponding to the target user identifier according to the target user identifier and mapping information between the user identifier and the slice characteristic information;

该第一核心网设备根据该目标切片的特征信息获取该目标切片的信息。The first core network device obtains information of the target slice according to the characteristic information of the target slice.

在一种可能的实现方式中，该第一核心网设备根据该目标切片的特征信息获取该目标切片的信息，包括：In a possible implementation manner, the acquiring, by the first core network device, information about the target slice according to the characteristic information of the target slice includes:

该第一核心网设备根据该目标切片的特征信息确定该目标用户标识对应的第二核心网设备；Determining, by the first core network device, the second core network device corresponding to the target user identifier according to the characteristic information of the target slice;

该第一核心网设备根据该目标切片的特征信息从该第二核心网设备获取该目标切片中NF的地址信息。The first core network device obtains the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice.

该第一核心网设备根据该目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定该目标切片中NF的地址信息。The first core network device determines address information of the NF in the target slice according to the characteristic information of the target slice and mapping information between the slice characteristic information and the NF address information.

在一种可能的实现方式中，该方法还包括：In a possible implementation manner, the method further includes:

该第一核心网设备根据该目标切片的特征信息从第三核心网设备获取该目标切片中NF的地址信息。The first core network device obtains the address information of the NF in the target slice from the third core network device according to the characteristic information of the target slice.

该第一核心网设备接收第四核心网设备发送的至少一个用户标识所对应的切片特征信息。The first core network device receives slice feature information corresponding to at least one user identifier sent by a fourth core network device.

该第一核心网设备根据该目标用户标识从第五核心网设备获取该目标切片的特征信息；Acquiring, by the first core network device, characteristic information of the target slice from a fifth core network device according to the target user identifier;

该第一核心网设备根据该目标切片的特征信息确定该目标用户标识对应的第六核心网设备；Determining, by the first core network device, a sixth core network device corresponding to the target user identifier according to the characteristic information of the target slice;

该第一核心网设备根据该目标切片的特征信息从该第六核心网设备获取该目标切片中NF的地址信息。The first core network device obtains the address information of the NF in the target slice from the sixth core network device according to the characteristic information of the target slice.

第二方面，本申请实施例提供一种信息传输方法，包括：In a second aspect, an embodiment of the present application provides an information transmission method, including:

网关设备向第一核心网设备发送请求消息；其中，该请求消息中携带目标用户标识；该请求消息用于指示向该第一核心网设备请求该目标用户标识所对应的目标切片的信息；The gateway device sends a request message to the first core network device, where the request message carries a target user identifier; the request message is used to instruct the first core network device to request information about a target slice corresponding to the target user identifier;

该网关设备从该第一核心网设备接收响应消息；其中，该响应消息中携带该目标切片的信息；Receiving, by the gateway device, a response message from the first core network device, where the response message carries information about the target slice;

该网关设备根据该目标切片的信息向该目标切片中网络功能NF发送业务请求。The gateway device sends a service request to the network function NF in the target slice according to the information of the target slice.

第二方面提供的信息传输方法中，网关设备通过向第一核心网设备获取目标切片的信息，并根据获取的目标切片的信息向目标切片中网络功能NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the information transmission method provided in the second aspect, the gateway device obtains the information of the target slice from the first core network device, and sends a service request to the network function NF in the target slice according to the obtained information of the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

在一种可能的实现方式中，该目标切片的信息包括以下至少一项：该目标切片的特征信息和该目标切片中网络功能NF的地址信息。In a possible implementation manner, the information of the target slice includes at least one of the following: characteristic information of the target slice and address information of a network function NF in the target slice.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片的特征信息，该网关设备根据该目标切片的信息向该目标切片中网络功能NF发送业务请求，包括：In a possible implementation manner, if the information of the target slice includes characteristic information of the target slice, the gateway device sends a service request to the network function NF in the target slice according to the information of the target slice, including:

该网关设备根据该目标切片的特征信息获取该目标切片中NF的地址信息；The gateway device acquires the address information of the NF in the target slice according to the characteristic information of the target slice;

该网关设备根据该NF的地址信息向该NF发送业务请求。The gateway device sends a service request to the NF according to the address information of the NF.

在一种可能的实现方式中，该网关设备根据该目标切片的特征信息获取该目标切片中NF的地址信息，包括：In a possible implementation manner, the gateway device acquiring the address information of the NF in the target slice according to the characteristic information of the target slice includes:

该网关设备根据该目标切片的特征信息确定该目标用户标识对应的第二核心网设备；Determining, by the gateway device, the second core network device corresponding to the target user identifier according to the characteristic information of the target slice;

该网关设备根据该目标切片的特征信息从该第二核心网设备获取该目标切片中NF的地址信息。The gateway device acquires the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice.

该网关设备根据该目标切片的特征信息从切片管理器获取该目标切片中NF的地址信息。The gateway device obtains the address information of the NF in the target slice from the slice manager according to the characteristic information of the target slice.

该网关设备根据该目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定该目标切片中NF的地址信息。The gateway device determines address information of the NF in the target slice according to the characteristic information of the target slice and mapping information between the slice characteristic information and the NF address information.

该网关设备接收该切片管理器发送的至少一个切片特征信息，以及每个该切片特征信息所对应的NF地址信息。The gateway device receives at least one slice feature information and the NF address information corresponding to each slice feature information sent by the slice manager.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片中NF的地址信息，该网关设备根据该目标切片的信息向该目标切片中网络功能NF发送业务请求，包括：In a possible implementation manner, if the information of the target slice includes address information of the NF in the target slice, the gateway device sends a service request to the network function NF in the target slice according to the information of the target slice, including:

该网关设备根据该NF的地址信息向该NF发送业务请求；The gateway device sends a service request to the NF according to the address information of the NF;

其中，该目标切片中NF的地址信息为该第一核心网设备在根据该目标用户标识获取到该目标切片的特征信息后，根据该目标切片的特征信息所获取的。The address information of the NF in the target slice is obtained by the first core network device according to the characteristic information of the target slice after acquiring the characteristic information of the target slice according to the target user identifier.

在一种可能的实现方式中，该目标切片中NF的地址信息为该第一核心网设备在根据该目标用户标识获取到该目标切片的特征信息后，根据该目标切片的特征信息从第三核心网设备所获取的。In a possible implementation manner, the address information of the NF in the target slice is that after the first core network device obtains the characteristic information of the target slice according to the target user identifier, the first core network device obtains the characteristic information of the target slice from the third Obtained by core network equipment.

在一种可能的实现方式中，该目标切片中NF的地址信息为该第一核心网设备在根据该目标用户标识获取到该目标切片的特征信息后，根据该目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息所确定的。In a possible implementation manner, the address information of the NF in the target slice is that after the first core network device obtains the characteristic information of the target slice according to the target user identifier, according to the characteristic information of the target slice and the slice characteristics It is determined by the mapping information between the information and the NF address information.

第三方面，本申请实施例提供一种信息传输方法，包括：In a third aspect, an embodiment of the present application provides an information transmission method, including:

第一核心网设备从发送设备接收请求消息；其中，该请求消息中携带目标切片的特征信息；该请求消息用于指示向该第一核心网设备请求该目标切片中的网络功能NF的地址信息；The first core network device receives a request message from a sending device; wherein the request message carries characteristic information of a target slice; the request message is used to instruct the first core network device to request address information of a network function NF in the target slice. ;

该第一核心网设备根据该目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定该目标切片中NF的地址信息；Determining, by the first core network device, the address information of the NF in the target slice according to the characteristic information of the target slice and mapping information between the slice characteristic information and the NF address information;

该第一核心网设备向该发送设备发送响应消息；其中，该响应消息中携带该目标切片中NF的地址信息。The first core network device sends a response message to the sending device, where the response message carries the address information of the NF in the target slice.

第三方面提供的信息传输方法中，通过第一核心网设备根据切片特征信息与NF地址信息之间的映射信息，以及请求消息中携带的目标切片的特征信息确定目标切片中NF的地址信息，并将目标切片中NF的地址信息发送给发送设备，以便于发送设备获取到目标切片中NF的地址信息。可见，实现了多网络切片场景下能够确定出目标用户所对应的目标切片中NF的地址信息。In the information transmission method provided in the third aspect, the first core network device determines the address information of the NF in the target slice according to the mapping information between the slice characteristic information and the NF address information, and the characteristic information of the target slice carried in the request message. The address information of the NF in the target slice is sent to the sending device, so that the sending device can obtain the address information of the NF in the target slice. It can be seen that the address information of the NF in the target slice corresponding to the target user can be determined in a multi-network slice scenario.

在一种可能的实现方式中，该目标切片的特征信息包括以下至少一项：该目标切片的标识信息、公共-NF存储库功能NRF的标识信息和专用-NRF的标识信息。In a possible implementation manner, the characteristic information of the target slice includes at least one of the following: identification information of the target slice, identification information of a public-NF repository function NRF, and identification information of a dedicated-NRF.

第四方面，本申请实施例提供一种核心网设备，该核心网设备为第一核心网设备，该第一核心网设备包括：In a fourth aspect, an embodiment of the present application provides a core network device. The core network device is a first core network device. The first core network device includes:

第一接收模块，用于从发送设备接收请求消息；其中，该请求消息中携带目标用户标识；该请求消息用于指示向该第一核心网设备请求该目标用户标识所对应的目标切片的信息；A first receiving module, configured to receive a request message from a sending device; wherein the request message carries a target user identifier; the request message is used to instruct the first core network device to request information about a target slice corresponding to the target user identifier ;

第一获取模块，用于根据该目标用户标识获取该目标切片的信息；A first obtaining module, configured to obtain information of the target slice according to the target user identifier;

发送模块，用于向该发送设备发送响应消息；其中，该响应消息中携带该目标切片的信息。The sending module is configured to send a response message to the sending device; wherein the response message carries information of the target slice.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片的特征信息，该第一获取模块具体用于：In a possible implementation manner, if the information of the target slice includes feature information of the target slice, the first obtaining module is specifically configured to:

根据该目标用户标识以及用户标识与切片特征信息之间的映射信息，确定该目标用户标识所对应的目标切片的特征信息。The feature information of the target slice corresponding to the target user identifier is determined according to the target user identifier and mapping information between the user identifier and the slice characteristic information.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片中NF的地址信息，该第一获取模块包括：In a possible implementation manner, if the information of the target slice includes address information of the NF in the target slice, the first obtaining module includes:

确定单元，用于根据该目标用户标识以及用户标识与切片特征信息之间的映射信息，确定该目标用户标识所对应的目标切片的特征信息；A determining unit, configured to determine characteristic information of a target slice corresponding to the target user identifier according to the target user identifier and mapping information between the user identifier and the slice characteristic information;

第一获取单元，用于根据该目标切片的特征信息获取该目标切片的信息。A first obtaining unit is configured to obtain information of the target slice according to the feature information of the target slice.

在一种可能的实现方式中，该第一获取单元具体用于：In a possible implementation manner, the first obtaining unit is specifically configured to:

根据该目标切片的特征信息确定该目标用户标识对应的第二核心网设备；Determining a second core network device corresponding to the target user identifier according to the characteristic information of the target slice;

根据该目标切片的特征信息从该第二核心网设备获取该目标切片中NF的地址信息。Obtain the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice.

根据该目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定该目标切片中NF的地址信息。The address information of the NF in the target slice is determined according to the feature information of the target slice and the mapping information between the slice feature information and the NF address information.

在一种可能的实现方式中，该第一核心网设备还包括：In a possible implementation manner, the first core network device further includes:

第二获取模块，用于根据该目标切片的特征信息从第三核心网设备获取该目标切片中NF的地址信息。The second obtaining module is configured to obtain the address information of the NF in the target slice from the third core network device according to the characteristic information of the target slice.

第二接收模块，用于接收第四核心网设备发送的至少一个用户标识所对应的切片特征信息。The second receiving module is configured to receive slice feature information corresponding to at least one user identifier sent by the fourth core network device.

第二获取单元，用于根据该目标用户标识从第五核心网设备获取该目标切片的特征信息；A second obtaining unit, configured to obtain characteristic information of the target slice from a fifth core network device according to the target user identifier;

第三获取单元，根据该目标切片的特征信息获取该目标切片的信息。The third obtaining unit obtains information of the target slice according to the feature information of the target slice.

在一种可能的实现方式中，该第三获取单元具体用于：In a possible implementation manner, the third obtaining unit is specifically configured to:

根据该目标切片的特征信息确定该目标用户标识对应的第六核心网设备；Determining a sixth core network device corresponding to the target user identifier according to the characteristic information of the target slice;

根据该目标切片的特征信息从该第六核心网设备获取该目标切片中NF的地址信息。Obtain the address information of the NF in the target slice from the sixth core network device according to the characteristic information of the target slice.

上述第四方面的实现方式所提供的第一核心网设备，其有益效果可以参见上述第一方面的实现方式所带来的有益效果，在此不再赘述。For the beneficial effects of the first core network device provided by the implementation manner of the fourth aspect, refer to the beneficial effects brought by the implementation manner of the first aspect, and details are not described herein again.

第五方面，本申请实施例提供一种网关设备，包括：In a fifth aspect, an embodiment of the present application provides a gateway device, including:

第一发送模块，用于向第一核心网设备发送请求消息；其中，该请求消息中携带目标用户标识；该请求消息用于指示向该第一核心网设备请求该目标用户标识所对应的目标切片的信息；A first sending module, configured to send a request message to a first core network device; wherein the request message carries a target user identifier; the request message is used to instruct the first core network device to request a target corresponding to the target user identifier Sliced information

第一接收模块，用于从该第一核心网设备接收响应消息；其中，该响应消息中携带该目标切片的信息；A first receiving module, configured to receive a response message from the first core network device, where the response message carries information about the target slice;

第二发送模块，用于根据该目标切片的信息向该目标切片中网络功能NF发送业务请求。A second sending module is configured to send a service request to the network function NF in the target slice according to the information of the target slice.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片的特征信息，该第二发送模块包括：In a possible implementation manner, if the information of the target slice includes characteristic information of the target slice, the second sending module includes:

获取单元，用于根据该目标切片的特征信息获取该目标切片中NF的地址信息；An obtaining unit, configured to obtain the address information of the NF in the target slice according to the characteristic information of the target slice;

发送单元，用于根据该NF的地址信息向该NF发送业务请求。A sending unit is configured to send a service request to the NF according to the address information of the NF.

在一种可能的实现方式中，该获取单元具体用于：In a possible implementation manner, the obtaining unit is specifically configured to:

根据该目标切片的特征信息从切片管理器获取该目标切片中NF的地址信息。The address information of the NF in the target slice is obtained from the slice manager according to the characteristic information of the target slice.

在一种可能的实现方式中，该网关设备还包括：In a possible implementation manner, the gateway device further includes:

第二接收模块，用于接收该切片管理器发送的至少一个切片特征信息，以及每个该切片特征信息所对应的NF地址信息。The second receiving module is configured to receive at least one slice feature information sent by the slice manager and the NF address information corresponding to each slice feature information.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片中NF的地址信息，该第二发送模块具体用于：In a possible implementation manner, if the information of the target slice includes the address information of the NF in the target slice, the second sending module is specifically configured to:

根据该NF的地址信息向该NF发送业务请求；Send a service request to the NF according to the address information of the NF;

在一种可能的实现方式中，该目标切片中NF的地址信息为该第一核心网设备在根据该目标用户标识获取到该目标切片的特征信息后，根据该目标切片的特征信息从第三核心网设备所获取的。In a possible implementation manner, the address information of the NF in the target slice is that after the first core network device obtains the characteristic information of the target slice according to the target user identifier, it uses the characteristic information of the target slice Obtained by core network equipment.

上述第五方面的实现方式所提供的网关设备，其有益效果可以参见上述第二方面的实现方式所带来的有益效果，在此不再赘述。For the beneficial effects of the gateway device provided by the implementation manner of the foregoing fifth aspect, refer to the beneficial effects of the implementation manner of the foregoing second aspect, and details are not described herein again.

第六方面，本申请实施例提供一种核心网设备，该核心网设备为第一核心网设备，该第一核心网设备包括：In a sixth aspect, an embodiment of the present application provides a core network device. The core network device is a first core network device. The first core network device includes:

接收模块，用于从发送设备接收请求消息；其中，该请求消息中携带目标切片的特征信息；该请求消息用于指示向该第一核心网设备请求该目标切片中的网络功能NF的地址信息；A receiving module, configured to receive a request message from a sending device; wherein the request message carries characteristic information of a target slice; the request message is used to instruct the first core network device to request address information of a network function NF in the target slice ;

确定模块，用于根据该目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定该目标切片中NF的地址信息；A determining module, configured to determine the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information;

发送模块，用于向该发送设备发送响应消息；其中，该响应消息中携带该目标切片中NF的地址信息。The sending module is configured to send a response message to the sending device; wherein the response message carries the address information of the NF in the target slice.

上述第六方面的实现方式所提供的第一核心网设备，其有益效果可以参见上述第三方面的实现方式所带来的有益效果，在此不再赘述。For the beneficial effects of the first core network device provided by the implementation manner of the sixth aspect, refer to the beneficial effects brought by the implementation manner of the third aspect, and details are not described herein again.

第七方面，本申请实施例提供一种核心网设备，该核心网设备为第一核心网设备，该第一核心网设备包括：处理器和存储器；In a seventh aspect, an embodiment of the present application provides a core network device, where the core network device is a first core network device, and the first core network device includes a processor and a memory;

其中，该存储器，用于存储程序指令；The memory is used for storing program instructions;

该处理器，用于调用并执行该存储器中存储的程序指令，当该处理器执行该存储器存储的程序指令时，该第一核心网设备用于执行上述第一方面的任意实现方式该的方法。The processor is configured to call and execute the program instructions stored in the memory. When the processor executes the program instructions stored in the memory, the first core network device is configured to execute the method in any implementation manner of the first aspect. .

第八方面，本申请实施例提供一种网关设备，包括：处理器和存储器；In an eighth aspect, an embodiment of the present application provides a gateway device, including: a processor and a memory;

该处理器，用于调用并执行该存储器中存储的程序指令，当该处理器执行该存储器存储的程序指令时，该网关设备用于执行上述第二方面的任意实现方式该的方法。The processor is configured to call and execute the program instructions stored in the memory, and when the processor executes the program instructions stored in the memory, the gateway device is configured to execute the method in any implementation manner of the second aspect.

第九方面，本申请实施例提供一种核心网设备，该核心网设备为第一核心网设备，该第一核心网设备包括：处理器和存储器；In a ninth aspect, an embodiment of the present application provides a core network device, where the core network device is a first core network device, and the first core network device includes a processor and a memory;

该处理器，用于调用并执行该存储器中存储的程序指令，当该处理器执行该存储器存储的程序指令时，该第一核心网设备用于执行上述第三方面的任意实现方式该的方法。The processor is configured to call and execute the program instructions stored in the memory, and when the processor executes the program instructions stored in the memory, the first core network device is configured to execute the method in any implementation manner of the third aspect. .

第十方面，本申请实施例提供一种芯片***，该芯片***包括处理器，还可以包括存储器，用于实现上述第一方面的任意实现方式该的方法。该芯片***可以由芯片构成，也可以包含芯片和其他分立器件。According to a tenth aspect, an embodiment of the present application provides a chip system. The chip system includes a processor, and may further include a memory, for implementing the method in any implementation manner of the first aspect. The chip system can be composed of chips, and can also include chips and other discrete devices.

第十一方面，本申请实施例提供一种程序，该程序在被处理器执行时用于执行上述第一方面的任意实现方式该的方法。According to an eleventh aspect, an embodiment of the present application provides a program that, when executed by a processor, is used to execute the method in any implementation manner of the first aspect.

第十二方面，本申请实施例提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面的任意实现方式该的方法。In a twelfth aspect, an embodiment of the present application provides a computer program product containing instructions, which when executed on a computer, causes the computer to execute the method in any implementation manner of the first aspect.

第十三方面，本申请实施例提供一种计算机可读存储介质，其特征在于，该计算机可读存储介质中存储有指令，当该指令在计算机上运行时，使得计算机执行上述第一方面的任意实现方式该的方法。According to a thirteenth aspect, an embodiment of the present application provides a computer-readable storage medium, characterized in that the computer-readable storage medium stores instructions, and when the instructions are run on a computer, the computer is caused to execute the above-mentioned first aspect. Arbitrary implementation of the method.

第十四方面，本申请实施例提供一种芯片***，该芯片***包括处理器，还可以包括存储器，用于实现上述第二方面的任意实现方式该的方法。该芯片***可以由芯片构成，也可以包含芯片和其他分立器件。In a fourteenth aspect, an embodiment of the present application provides a chip system, which includes a processor and may further include a memory, for implementing the method in any implementation manner of the second aspect. The chip system can be composed of chips, and can also include chips and other discrete devices.

第十五方面，本申请实施例提供一种程序，该程序在被处理器执行时用于执行上述第二方面的任意实现方式该的方法。In a fifteenth aspect, an embodiment of the present application provides a program that, when executed by a processor, executes the method in any implementation manner of the second aspect.

第十六方面，本申请实施例提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第二方面的任意实现方式该的方法。In a sixteenth aspect, an embodiment of the present application provides a computer program product containing instructions that, when run on a computer, causes the computer to execute the method in any implementation manner of the second aspect.

第十七方面，本申请实施例提供一种计算机可读存储介质，其特征在于，该计算机可读存储介质中存储有指令，当该指令在计算机上运行时，使得计算机执行上述第二方面的任意实现方式该的方法。In a seventeenth aspect, an embodiment of the present application provides a computer-readable storage medium, characterized in that the computer-readable storage medium stores instructions, and when the instructions are run on a computer, the computer is caused to execute the second aspect Arbitrary implementation of the method.

第十八方面，本申请实施例提供一种芯片***，该芯片***包括处理器，还可以包括存储器，用于实现上述第三方面的任意实现方式该的方法。该芯片***可以由芯片构成，也可以包含芯片和其他分立器件。In an eighteenth aspect, an embodiment of the present application provides a chip system, which includes a processor and may further include a memory, for implementing the method in any implementation manner of the third aspect. The chip system can be composed of chips, and can also include chips and other discrete devices.

第十九方面，本申请实施例提供一种程序，该程序在被处理器执行时用于执行上述第三方面的任意实现方式该的方法。In a nineteenth aspect, an embodiment of the present application provides a program that, when executed by a processor, executes the method in any implementation manner of the third aspect.

第二十方面，本申请实施例提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第三方面的任意实现方式该的方法。In a twentieth aspect, an embodiment of the present application provides a computer program product including instructions, which when executed on a computer, causes the computer to execute the method in any implementation manner of the third aspect.

第二十一方面，本申请实施例提供一种计算机可读存储介质，其特征在于，该计算机可读存储介质中存储有指令，当该指令在计算机上运行时，使得计算机执行上述第三方面的任意实现方式该的方法。In a twenty-first aspect, an embodiment of the present application provides a computer-readable storage medium, characterized in that the computer-readable storage medium stores instructions, and when the instructions are run on a computer, the computer executes the third aspect described above Any implementation of this method.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

图1A为本申请实施例提供的应用场景示意图；FIG. 1A is a schematic diagram of an application scenario provided by an embodiment of the present application; FIG.

图1B为本申请实施例中提供的切片管理器的部署流程示意图；FIG. 1B is a schematic diagram of a deployment process of a slice manager provided in an embodiment of the present application; FIG.

图1C为本申请一实施例中提供的终端注册流程示意图；FIG. 1C is a schematic diagram of a terminal registration process provided in an embodiment of the present application; FIG.

图2为本申请一实施例提供的信息传输方法的流程示意图；2 is a schematic flowchart of an information transmission method according to an embodiment of the present application;

图3为本申请另一实施例提供的信息传输方法的流程示意图；3 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图4为本申请另一实施例提供的信息传输方法的流程示意图；4 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图5为本申请另一实施例提供的信息传输方法的流程示意图；5 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图6为本申请另一实施例提供的信息传输方法的流程示意图；6 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图7为本申请另一实施例提供的信息传输方法的流程示意图；7 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图8为本申请另一实施例提供的信息传输方法的流程示意图；8 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图9为本申请另一实施例提供的信息传输方法的流程示意图；9 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图10为本申请另一实施例提供的信息传输方法的流程示意图；10 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图11为本申请另一实施例提供的信息传输方法的流程示意图；11 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图12为本申请另一实施例提供的信息传输方法的流程示意图；12 is a schematic flowchart of an information transmission method according to another embodiment of the present application;

图13为本申请另一实施例中涉及的终端注册流程示意图；13 is a schematic diagram of a terminal registration process involved in another embodiment of the present application;

图14为本申请一实施例提供的核心网设备的结构示意图；14 is a schematic structural diagram of a core network device according to an embodiment of the present application;

图15为本申请另一实施例提供的核心网设备的结构示意图；15 is a schematic structural diagram of a core network device according to another embodiment of the present application;

图16为本申请一实施例提供的网关设备的结构示意图；16 is a schematic structural diagram of a gateway device according to an embodiment of the present application;

图17为本申请另一实施例提供的网关设备的结构示意图；17 is a schematic structural diagram of a gateway device according to another embodiment of the present application;

图18为本申请另一实施例提供的核心网设备的结构示意图。FIG. 18 is a schematic structural diagram of a core network device according to another embodiment of the present application.

具体实施方式Detailed ways

首先，对本申请实施例所涉及的部分词汇和应用场景进行解释说明。First, some vocabularies and application scenarios involved in the embodiments of the present application are explained.

本申请实施例中涉及的网络切片(或者简称为切片)是指为了满足某一类用户或者某些商业业务所需的NF集以及资源的组合，其中，一个网络切片是一个完整的逻辑网络(例如，可以包括但不限于：接入网设备和/或核心网设备等部分)。示例性地，每个网络切片可以提供不同的NF(或NF实例)，和/或不同的业务性能指标。The network slicing (or simply slicing) referred to in the embodiments of the present application refers to a combination of NF sets and resources required to satisfy a certain type of users or certain business services. Among them, a network slice is a complete logical network ( For example, it may include but is not limited to: access network equipment and / or core network equipment. Exemplarily, each network slice may provide a different NF (or NF instance), and / or different service performance indicators.

本申请实施例中涉及的核心网设备以包括但不限于以下NF中的至少一项：统一数据管理功能(Unified Data Management，UDM)、NF储存库功能(NF Repository Function，NRF)、网络切片选择功能(Network Slice Selection Function，NSSF)、接入和移动性管理功能(Access and Mobility Management Function，AMF)、会话管理功能(Session Management Function，SMF)、用户面功能(User Plane Function，UPF)、策略控制功能(Policy Control Function，PCF)。The core network equipment involved in the embodiments of the present application includes, but is not limited to, at least one of the following NFs: Unified Data Management Function (UDM), NF Repository Function (NRF), and network slice selection Function (Network Slice Selection Function, NSSF), Access and Mobility Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), Policy Control Function (Policy Control Function, PCF).

本申请实施例中涉及的UDM用于存储用户的相关信息(例如，用户标识和用户的签约数据等)。The UDM involved in the embodiment of the present application is used to store relevant information of the user (for example, user identification and user's contract data, etc.).

本申请实施例中涉及的NRF用于支持业务发现功能和维护NF配置(profile)信息。示例性地，业务发现功能包括：接收一个NF(或称之为NF实例)发送的业务发现请求，并向该NF返回该NF所需要的NF配置信息。示例性地，本申请实施例中的NRF可以包括：多个网络切片共享的公共(Common，C)-NRF和/或网络切片内专有的专用(Special，S)-NRF。The NRF involved in the embodiment of the present application is used to support a service discovery function and maintain NF profile information. Exemplarily, the service discovery function includes: receiving a service discovery request sent by an NF (or an NF instance), and returning the NF configuration information required by the NF to the NF. Exemplarily, the NRF in the embodiments of the present application may include a common (Common, C) -NRF shared by multiple network slices and / or a special (S) special-NRF within a network slice.

本申请实施例中涉及的NF配置信息可以包括但不限于以下至少一项：NF实例标识(NF Instance Identity，NFI ID)、NF类型、网络切片相关标识符、NF容量信息、NF特定服务授权信息、支持的服务的名称、存储的数据/信息的识别。例如，网络切片相关标识符可以包括但不限于：网路切片选择辅助信息(Network Slice Selection Assistance Information，NSSAI)，和/或网络切片实例(Network Slice Instance，NSI)ID。The NF configuration information involved in the embodiments of the present application may include, but is not limited to, at least one of the following: NF instance identification (NFI ID), NF type, network slice related identifier, NF capacity information, NF specific service authorization information , Names of supported services, identification of stored data / information. For example, the network slice related identifier may include, but is not limited to, network slice selection assistance information (NSSAI), and / or a network slice instance (NSI) ID.

本申请实施例中涉及的NSSF用于协助选择服务于终端的网络切片实例。The NSSF involved in the embodiments of the present application is used to assist in selecting a network slice instance serving a terminal.

本申请实施例中涉及的AMF用于终端的接入和移动性管理；例如，注册管理、连接管理、可达性管理和/或移动性管理等。The AMF involved in the embodiments of the present application is used for terminal access and mobility management; for example, registration management, connection management, reachability management, and / or mobility management.

本申请实施例中涉及的目标切片的信息可以包括但不限于：目标切片的特征信息和/或目标切片中网络功能NF的地址信息。The information of the target slice involved in the embodiment of the present application may include, but is not limited to, characteristic information of the target slice and / or address information of a network function NF in the target slice.

本申请实施例中涉及的目标切片的特征信息可以包括但不限于以下至少一项：目标切片(或者称之为目标切片实例)的标识信息(例如，目标网络切片实例NSI ID)、C-NRF的标识信息(例如，C-NRF的地址信息)和S-NRF的标识信息(例如，S-NRF的地址信息)。The feature information of the target slice involved in the embodiments of the present application may include, but is not limited to, at least one of the following: identification information of the target slice (or a target slice instance) (for example, target network slice instance NSI ID), C-NRF Identification information (for example, address information of C-NRF) and identification information of S-NRF (for example, address information of S-NRF).

示例性地，若目标切片中不包含S-NRF，则目标切片的特征信息可以包括：目标切片的标识信息和C-NRF的标识信息(若所有网络切片共用一个C-NRF且目标切片不包含S-NRF，则目标切片的特征信息可以不用包括：C-NRF的标识信息)。又一示例性地，若目标切片中包含S-NRF，则目标切片的特征信息可以包括：目标切片的标识信息和/或S-NRF的标识信息。Exemplarily, if S-NRF is not included in the target slice, the characteristic information of the target slice may include: identification information of the target slice and identification information of C-NRF (if all network slices share one C-NRF and the target slice does not include S-NRF, the feature information of the target slice need not include: C-NRF identification information). As another example, if the target slice includes S-NRF, the feature information of the target slice may include identification information of the target slice and / or identification information of the S-NRF.

本申请实施例中涉及的目标用户标识可以包括但不限于以下至少一项：移动用户号码(Mobile Subscriber International ISDN/PSTN number，MSISDN)、国际移动用户识别码(International Mobile Subscriber Identification Number，IMSI)和国际移动设备识别码(International Mobile Equipment Identity，IMEI)。The target user identification involved in the embodiments of the present application may include but is not limited to at least one of the following: mobile subscriber number (International Subscriber ISDN / PSTN number, MSISDN), international mobile subscriber identifier (International Subscriber Identifier number, IMSI), and International Mobile Equipment Identity (IMEI).

本申请实施例中涉及的用户标识与切片特征信息之间的映射信息中可以包括：目标用户标识与目标切片的特征信息之间的映射关系；当然，用户标识与切片特征信息之间的映射信息中还可以包括：其它用户标识与其对应的切片特征信息之间的映射关系，本申请实施例中对此并不作限制。The mapping information between the user identifier and the slice feature information involved in the embodiment of the present application may include: a mapping relationship between the target user identifier and the feature information of the target slice; of course, the mapping information between the user identifier and the slice feature information It may also include: a mapping relationship between other user identifiers and corresponding slice feature information, which is not limited in the embodiments of the present application.

示例性地，第一核心网设备或网关设备等中可以预设有用户标识与切片特征信息之间的映射信息，或者可以获取用户标识与切片特征信息之间的映射信息；当然，还可通过其它方式得到用户标识与切片特征信息之间的映射信息，本申请实施例中对此并不作限制。Exemplarily, the mapping information between the user identifier and the slice feature information may be preset in the first core network device, the gateway device, or the like, or the mapping information between the user identifier and the slice feature information may be obtained; The mapping information between the user identifier and the slice feature information is obtained in other ways, which is not limited in the embodiments of the present application.

本申请实施例中涉及的切片特征信息与NF地址信息之间的映射信息中可以包括：目标切片的特征信息与目标切片中NF的地址信息之间的映射关系；当然，切片特征信息与NF地址信息之间的映射信息中还可以包括：其它切片特征信息与其对应的NF地址信息之间的映射关系，本申请实施例中对此并不作限制。The mapping information between the slice feature information and the NF address information involved in the embodiments of the present application may include: a mapping relationship between the feature information of the target slice and the NF address information in the target slice; of course, the slice feature information and the NF address The mapping information between the information may further include: a mapping relationship between other slice characteristic information and its corresponding NF address information, which is not limited in the embodiments of the present application.

示例性地，第一核心网设备、第二核心网设备、切片管理器和/或网关设备等中可以预设有切片特征信息与NF地址信息之间的映射信息，或者可以获取切片特征信息与NF地址信息之间的映射信息；当然，还可通过其它方式得到切片特征信息与NF地址信息之间的映射信息，本申请实施例中对此并不作限制。For example, the mapping information between the slice feature information and the NF address information may be preset in the first core network device, the second core network device, the slice manager, and / or the gateway device, or the slice feature information and the The mapping information between the NF address information; of course, the mapping information between the slice feature information and the NF address information can also be obtained in other ways, which is not limited in the embodiments of the present application.

本申请中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A,B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项(个)”或其类似表达，是指的这些项中的任意组合，包括单项(个)或复数项(个)的任意组合。例如，a,b,或c中的至少一项(个)，可以表示：a,b,c,a-b,a-c,b-c,或a-b-c，其中a,b,c可以是单个，也可以是多个。In the present application, "at least one" means one or more, and "multiple" means two or more. "And / or" describes the association relationship of related objects, and indicates that there can be three kinds of relationships, for example, A and / or B can indicate: A exists alone, A and B exist simultaneously, and B alone exists, where A, B can be singular or plural. The character "/" generally indicates that the related objects are an "or" relationship. "At least one or more of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one (a), a, b, or c can be expressed as: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .

图1A为本申请实施例提供的应用场景示意图。如图1A所示，当第三方应用(Application)接收到目标用户发送的业务请求时，第三方应用可以通过网关设备向目标用户对应的网络切片中的NF(例如，UDM、NRF、AMF、SMF、UPF、PCF等)发起业务请求。本申请实施例中，主要对网关设备确定目标用户对应的网络切片中的NF的具体过程进行描述；当然，本申请实施例还可以适用于其它应用场景，本申请实施例中对此并不作限制。FIG. 1A is a schematic diagram of an application scenario provided by an embodiment of the present application. As shown in FIG. 1A, when a third-party application (Application) receives a service request sent by a target user, the third-party application can send the NF (for example, UDM, NRF, AMF, SMF, etc.) in the network slice corresponding to the target user through the gateway device. , UPF, PCF, etc.) initiate a service request. In the embodiment of the present application, the specific process of determining the NF in the network slice corresponding to the target user by the gateway device is mainly described; of course, the embodiment of the present application can also be applied to other application scenarios, which is not limited in the embodiment of the present application. .

示例性地，第三方应用可以通过应用程序编程接口(Application Programming Interface，API)与网关设备进行通信；当然，第三方应用还可以通过其它方式与网关设备通信，本申请实施例中对此并不作限制。Exemplarily, a third-party application can communicate with the gateway device through an Application Programming Interface (API); of course, the third-party application can also communicate with the gateway device through other methods, which is not described in the embodiments of this application. limit.

图1B为本申请实施例中提供的切片管理器的部署流程示意图。如图1B所示，本申请实施例中提供的切片管理器的部署流程可以包括：FIG. 1B is a schematic diagram of a deployment process of a slice manager provided in an embodiment of the present application. As shown in FIG. 1B, the deployment process of the slice manager provided in the embodiment of the present application may include:

步骤S1、切片管理器接收到切片创建请求消息。Step S1: The slice manager receives a slice creation request message.

示例性地，切片创建请求消息中可以携带切片需求和单网络切片选择辅助信息(Single Network Slice Selection Assistance Information，S-NSSAI)；当然，切片创建请求消息中还可以携带其它信息，本申请实施例中对此并不作限制Exemplarily, the slice creation request message may carry slice requirements and single network slice selection assistance information (S-NSSAI); of course, the slice creation request message may also carry other information. Embodiments of this application There is no restriction on this

步骤S2、切片管理器分配切片实例标识。示例性地，每个切片实例都有一个标识(例如，NSI ID)。Step S2: The slice manager assigns a slice instance identifier. Exemplarily, each slice instance has an identification (for example, NSI ID).

步骤S3、切片管理器根据切片创建请求消息创建目标切片实例，并将目标NSI ID发给目标切片内的NF。Step S3: The slice manager creates a target slice instance according to the slice creation request message, and sends the target NSI ID to the NF in the target slice.

步骤S4、切片管理器将S-NSSAI与目标NSI ID之间的映射关系，或者目标NSI ID与目标切片中的S-NRF之间的映射关系发送给NSSF。Step S4: The slice manager sends the mapping relationship between the S-NSSAI and the target NSI ID, or the mapping relationship between the target NSI ID and the S-NRF in the target slice to the NSSF.

步骤S5、目标切片内NF向NRF注册信息。Step S5: The NF in the target slice registers information with the NRF.

示例性地，当目标切片中不包含S-NRF时，则目标切片内NF向C-NRF注册信息(例如，NFI ID和NSI ID等)。Exemplarily, when the S-NRF is not included in the target slice, the NF in the target slice registers information with the C-NRF (for example, NFI ID, NSI ID, etc.).

又一示例性地，当目标切片中包含S-NRF时，则目标切片内NF向位于目标切片内的S-NRF注册信息(例如，NFI ID和NSI ID等)。As another example, when the target slice includes S-NRF, the NF in the target slice registers information (for example, NFI ID, NSI ID, etc.) with the S-NRF located in the target slice.

图1C为本申请一实施例中提供的终端注册流程示意图。如图1C所示，本申请实施例中提供的终端注册流程可以包括：FIG. 1C is a schematic diagram of a terminal registration process provided in an embodiment of the present application. As shown in FIG. 1C, the terminal registration process provided in the embodiment of the present application may include:

步骤S11、终端向初始AMF发送注册请求消息1。Step S11: The terminal sends a registration request message 1 to the initial AMF.

示例性地，注册请求消息1中可以携带目标用户标识和请求(Requested)的NSSAI；当然，还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the registration request message 1 may carry the target user identifier and the requested NSSAI; of course, other information may also be carried, which is not limited in the embodiment of the present application.

步骤S12、初始AMF向UDM发送请求消息A。Step S12: The initial AMF sends a request message A to the UDM.

示例性地，请求消息A中可以携带目标用户标识，用于指示向UDM请求获取目标用户标识签约的S-NSSAI；当然还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message A may carry a target user identifier, which is used to instruct the UDM to request the S-NSSAI for which the target user identifier is contracted; of course, it may also carry other information, which is not limited in the embodiment of the present application.

步骤S13、UDM向初始AMF返回响应消息A。Step S13: The UDM returns a response message A to the initial AMF.

示例性地，响应消息A中可以携带目标用户签约的S-NSSAI；当然还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message A may carry the S-NSSAI subscribed by the target user; of course, it may also carry other information, which is not limited in the embodiment of the present application.

步骤S14、初始AMF向NSSF发送请求消息B。Step S14: The initial AMF sends a request message B to the NSSF.

示例性地，请求消息B用于指示向NSSF请求获取目标用户可以接入的目标AMF信息，请求消息B中可以携带请求的NSSAI和签约的S-NSSAI；当然，还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the request message B is used to instruct the NSSF to obtain the target AMF information that the target user can access. The request message B may carry the requested NSSAI and the contracted S-NSSAI; of course, other information may also be carried. This application This is not limited in the examples.

步骤S15、NSSF向初始AMF发送响应消息B。Step S15: The NSSF sends a response message B to the initial AMF.

示例性地，响应消息B中可以携带目标用户可以接入的目标切片的特征信息和允许接入的NSSAI。例如，目标切片的特征信息可以包括但不限于以下至少一项：目标NSI ID、S-NRF的标识信息和C-NRF的标识信息；当然，还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message B may carry the characteristic information of the target slice to which the target user can access and the NSSAI allowed to access. For example, the feature information of the target slice may include, but is not limited to, at least one of the following: target NSI ID, identification information of S-NRF, and identification information of C-NRF; of course, other information may also be carried. No restrictions.

步骤S16、初始AMF根据允许接入的NSSAI确定目标AMF，并向目标AMF发送注册请求消息2。Step S16: The initial AMF determines the target AMF according to the NSSAI that is allowed to access, and sends a registration request message 2 to the target AMF.

示例性地，注册请求消息2中可以携带目标切片的特征信息；当然，还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the registration request message 2 may carry characteristic information of the target slice; of course, other information may also be carried, which is not limited in the embodiment of the present application.

步骤S17、目标AMF将目标切片的特征信息发送给UDM。Step S17: The target AMF sends the feature information of the target slice to the UDM.

步骤S18、UDM将目标切片的特征信息与目标用户标识之间的映射关系进行存储。Step S18: The UDM stores a mapping relationship between the feature information of the target slice and the target user identifier.

步骤S19、UDM向目标AMF返回确认消息。Step S19: The UDM returns a confirmation message to the target AMF.

步骤S20、目标AMF向终端发送注册成功响应消息。Step S20: The target AMF sends a registration success response message to the terminal.

下面以具体地实施例对本申请的技术方案以及本申请的技术方案如何解决上述技术问题进行详细说明。下面这几个具体的实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例中不再赘述。The following specifically describes the technical solution of the present application and how the technical solution of the present application solves the foregoing technical problems by using specific embodiments. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

图2为本申请一实施例提供的信息传输方法的流程示意图。本申请实施例中以第一核心网设备侧为例，对本申请实施例提供的信息传输方法进行描述。如图2所示，本申请实施例的方法可以包括：FIG. 2 is a schematic flowchart of an information transmission method according to an embodiment of the present application. In the embodiment of the present application, the first core network device side is taken as an example to describe the information transmission method provided in the embodiment of the present application. As shown in FIG. 2, the method in this embodiment of the present application may include:

步骤S201、第一核心网设备从发送设备接收请求消息。Step S201: The first core network device receives a request message from a sending device.

步骤S202、第一核心网设备根据目标用户标识获取目标切片的信息。Step S202: The first core network device obtains information about a target slice according to a target user identifier.

步骤S203、第一核心网设备向发送设备发送响应消息。Step S203: The first core network device sends a response message to the sending device.

本实施例中，示例性地，第一核心网设备可以为上述UDM或者上述C-NRF。本申请下述实施例中针对第一核心网设备为UDM或C-NRF为例对本申请实施例提供的信息传输方法进行描述：In this embodiment, for example, the first core network device may be the UDM or the C-NRF. In the following embodiments of the present application, the information transmission method provided in the embodiments of the present application is described with the example that the first core network device is UDM or C-NRF:

1)一种可能的实现方式：若第一核心网设备为UDM，在步骤S201中，第一核心网设备从发送设备(例如，网关设备或C-NRF)接收请求消息；其中，请求消息中携带目标用户标识(当然，还可以携带其它信息，本申请实施例中对此并不作限制)；请求消息用于指示向第一核心网设备请求目标用户标识所对应的目标切片的信息。1) A possible implementation manner: If the first core network device is a UDM, in step S201, the first core network device receives a request message from a sending device (for example, a gateway device or a C-NRF); wherein, in the request message, Carry the target user identifier (of course, other information may also be carried, which is not limited in the embodiment of the present application); the request message is used to instruct the first core network device to request information about the target slice corresponding to the target user identifier.

进一步地，在步骤S202中，第一核心网设备根据目标用户标识获取目标切片的信息。示例性地，目标切片的信息可以包括但不限于：目标切片的特征信息和/或目标切片中NF的地址信息。Further, in step S202, the first core network device acquires information about the target slice according to the target user identifier. Exemplarily, the information of the target slice may include, but is not limited to, feature information of the target slice and / or address information of the NF in the target slice.

示例性地，在步骤S202中，若目标切片的信息包括目标切片的特征信息，则第一核心网设备根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标用户标识所对应的目标切片的特征信息。进一步地，在步骤S203中，第一核心网设备向发送设备发送响应消息(其中，响应消息可以携带目标切片的特征信息)，以便于发送设备根据目标切片的特征信息获取目标切片中NF的地址信息。需要说明的是，响应消息中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, in step S202, if the information of the target slice includes characteristic information of the target slice, the first core network device determines the target user identifier corresponding to the target user identifier and the mapping information between the user identifier and the slice characteristic information. Feature information of the target slice. Further, in step S203, the first core network device sends a response message (where the response message can carry the characteristic information of the target slice) to the sending device, so that the sending device obtains the address of the NF in the target slice according to the characteristic information of the target slice. information. It should be noted that the response message may also carry other information, which is not limited in the embodiments of the present application.

示例性地，在步骤S202中，若目标切片的信息包括目标切片中NF的地址信息，则第一核心网设备根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标用户标识所对应的目标切片的特征信息，并根据目标切片的特征信息获取目标切片的信息(即目标切片中NF的地址信息)。进一步地，在步骤S203中，第一核心网设备向发送设备发送响应消息(其中，响应消息中可以携带目标切片中NF的地址信息)。需要说明的是，响应消息中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, in step S202, if the information of the target slice includes the address information of the NF in the target slice, the first core network device determines the target user identifier according to the target user identifier and the mapping information between the user identifier and the slice characteristic information. The feature information of the corresponding target slice, and the information of the target slice (that is, the address information of the NF in the target slice) is obtained according to the feature information of the target slice. Further, in step S203, the first core network device sends a response message to the sending device (wherein the response message may carry the address information of the NF in the target slice). It should be noted that the response message may also carry other information, which is not limited in the embodiments of the present application.

本申请下述实施例对“第一核心网设备根据目标切片的特征信息获取目标切片的信息”的可实现方式进行介绍：The following embodiments of this application describe the implementation of "the first core network device obtains the information of the target slice according to the characteristic information of the target slice":

示例性地，第一核心网设备根据目标切片的特征信息确定目标用户标识对应的第二核心网设备，并根据目标切片的特征信息从第二核心网设备获取目标切片中NF的地址信息。Exemplarily, the first core network device determines the second core network device corresponding to the target user identifier according to the characteristic information of the target slice, and obtains the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice.

本申请实施例中，第一核心网设备根据目标切片的特征信息(例如包括以下至少一项：目标切片的标识信息、C-NRF的标识信息和S-NRF的标识信息)确定目标用户标识对应的第二核心网设备。例如，若目标切片的特征信息包括：目标切片的标识信息，则确定第二核心网设备为C-NRF。又例如，若目标切片的特征信息包括：目标切片的标识信息和C-NRF的标识信息，则确定第二核心网设备为该C-NRF。又例如，若目标切片的特征信息包括：S-NRF的标识信息，则确定第二核心网设备为该S-NRF。In the embodiment of the present application, the first core network device determines the target user identity corresponding to the target slice according to the characteristic information of the target slice (for example, including at least one of the following: identification information of the target slice, identification information of the C-NRF, and identification information of the S-NRF). Second core network equipment. For example, if the characteristic information of the target slice includes identification information of the target slice, it is determined that the second core network device is a C-NRF. For another example, if the characteristic information of the target slice includes identification information of the target slice and identification information of the C-NRF, it is determined that the second core network device is the C-NRF. For another example, if the characteristic information of the target slice includes identification information of the S-NRF, it is determined that the second core network device is the S-NRF.

进一步地，第一核心网设备根据目标切片的特征信息从第二核心网设备获取目标切片中NF的地址信息。例如，第一核心网设备向第二核心网设备发送请求消息1(携带目标切片的特征信息)，其中，请求消息1用于指示向第二核心网设备请求目标切片中NF的地址信息，以便于第二核心网设备根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息；进一步地，第一核心网设备从第二核心网设备接收响应消息1(携带目标切片中NF的地址信息)。Further, the first core network device obtains the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice. For example, the first core network device sends a request message 1 (carrying characteristic information of the target slice) to the second core network device, where the request message 1 is used to instruct the second core network device to request the address information of the NF in the target slice so that The second core network device determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information; further, the first core network device receives from the second core network device Response message 1 (carrying the address information of the NF in the target slice).

当然；第一核心网设备根据目标切片的特征信息，还可以通过其它方式从第二核心网设备获取目标切片中NF的地址信息，本申请实施例中对此并不作限制。Of course; the first core network device may obtain the address information of the NF in the target slice from the second core network device in other ways according to the characteristic information of the target slice, which is not limited in the embodiments of the present application.

示例性地，第一核心网设备根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Exemplarily, the first core network device determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

考虑到第一核心网设备中需要预先存储有目标切片的特征信息以及其对应的目标切片中NF的地址信息，示例性地，第一核心网设备在根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息之前，可以根据目标切片的特征信息从第三核心网设备(例如C-NRF或S-NRF)获取目标切片中NF的地址信息，以便于保存目标切片的特征信息与目标切片中NF的地址信息之间的映射关系。具体的，第一核心网设备确定第三核心网设备的方式，可以参考上述第一核心网设备确定第二核心网设备的方式，此处不再赘述。Considering that the first core network device needs to previously store the feature information of the target slice and the address information of the NF in the corresponding target slice, for example, the first core network device is based on the feature information of the target slice and the slice feature information and Mapping information between NF address information. Before determining the address information of the NF in the target slice, the address information of the NF in the target slice can be obtained from the third core network device (such as C-NRF or S-NRF) according to the characteristic information of the target slice. In order to save the mapping relationship between the feature information of the target slice and the address information of the NF in the target slice. Specifically, for a manner in which the first core network device determines the third core network device, reference may be made to the foregoing manner in which the first core network device determines the second core network device, and details are not described herein again.

当然，第一核心网设备根据目标切片的特征信息，还可以通过其它方式获取目标切片中NF的地址信息，本申请实施例中对此并不作限制。Of course, the first core network device may obtain the address information of the NF in the target slice through other methods according to the characteristic information of the target slice, which is not limited in the embodiment of the present application.

考虑到第一核心网设备中需要预先存储有目标用户标识以及其对应的目标切片的特征信息，示例性地，第一核心网设备在根据目标用户标识获取目标切片的信息之前，可以接收第四核心网设备(例如目标AMF)发送的至少一个用户标识所对应的切片特征信息(例如，包括目标用户标识所对应的目标切片的特征信息)，以便于第一核心网设备保存目标用户标识与目标切片的特征信息之间的映射关系。Considering that the first core network device needs to store the target user identification and the characteristic information of the corresponding target slice in advance, for example, before the first core network device obtains the target slice information according to the target user identification, it may receive a fourth The slice characteristic information (for example, including the characteristic information of the target slice corresponding to the target user identifier) corresponding to the at least one user identifier sent by the core network device (for example, the target AMF), so that the first core network device saves the target user identifier and the target. Mapping relationship between slice feature information.

2)另一种可能的实现方式：若第一核心网设备为C-NRF，在步骤S201中，第一核心网设备从发送设备(例如，网关设备)接收请求消息；其中，请求消息中携带目标用户标识(当然，还可以携带其它信息，本申请实施例中对此并不作限制)；请求消息用于指示向第一核心网设备请求目标用户标识所对应的目标切片的信息。2) Another possible implementation manner: If the first core network device is a C-NRF, in step S201, the first core network device receives a request message from a sending device (for example, a gateway device); where the request message carries Target user identification (of course, other information can also be carried, which is not limited in the embodiments of the present application); the request message is used to instruct the first core network device to request information about the target slice corresponding to the target user identification.

进一步地，在步骤S202中，第一核心网设备根据目标用户标识获取目标切片的信息。Further, in step S202, the first core network device acquires information about the target slice according to the target user identifier.

示例性地，在步骤S202中，若目标切片的信息包括目标切片中NF的地址信息，则第一核心网设备根据目标用户标识从第五核心网设备(例如UDM)获取目标切片的特征信息(例如，第五核心网设备中存储有目标用户标识与目标切片的特征信息之间的映射关系)，并根据目标切片的特征信息获取目标切片的信息(即目标切片中NF的地址信息)。进一步地，在步骤S203中，第一核心网设备向发送设备发送响应消息(其中，响应消息可以携带目标切片中NF的地址信息)。需要说明的是，响应消息中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, in step S202, if the information of the target slice includes the address information of the NF in the target slice, the first core network device obtains the characteristic information of the target slice from the fifth core network device (for example, UDM) according to the target user identifier ( For example, the fifth core network device stores a mapping relationship between the target user identifier and the characteristic information of the target slice), and obtains the information of the target slice (that is, the address information of the NF in the target slice) according to the characteristic information of the target slice. Further, in step S203, the first core network device sends a response message to the sending device (where the response message may carry the address information of the NF in the target slice). It should be noted that the response message may also carry other information, which is not limited in the embodiments of the present application.

示例性地，第一核心网设备根据目标切片的特征信息确定目标用户标识对应的第六核心网设备(例如，S-NRF)，并根据目标切片的特征信息从第六核心网设备获取目标切片中NF的地址信息。Exemplarily, the first core network device determines a sixth core network device (for example, S-NRF) corresponding to the target user identifier according to the characteristic information of the target slice, and obtains the target slice from the sixth core network device according to the characteristic information of the target slice. NF address information.

本申请实施例中，第一核心网设备根据目标切片的特征信息(例如包括以下至少一项：目标切片的标识信息和S-NRF的标识信息)确定目标用户标识对应的第六核心网设备。具体的，第一核心网设备确定第六核心网设备的方式，可以参考上述第一核心网设备确定第二核心网设备的方式，此处不再赘述。In the embodiment of the present application, the first core network device determines the sixth core network device corresponding to the target user identifier according to the characteristic information of the target slice (for example, including at least one of the following: identification information of the target slice and identification information of the S-NRF). Specifically, for a manner in which the first core network device determines the sixth core network device, reference may be made to the foregoing manner in which the first core network device determines the second core network device, and details are not described herein again.

进一步地，第一核心网设备根据目标切片的特征信息从第六核心网设备获取目标切片中NF的地址信息。具体的，第一核心网设备从第六核心网设备获取目标切片中NF的地址信息的方式，可以参考上述第一核心网设备从第二核心网设备获取目标切片中NF的地址信息的方式，此处不再赘述。Further, the first core network device obtains the address information of the NF in the target slice from the sixth core network device according to the characteristic information of the target slice. Specifically, for a manner in which the first core network device obtains the address information of the NF in the target slice from the sixth core network device, reference may be made to the foregoing manner in which the first core network device obtains the address information of the NF in the target slice from the second core network device. I won't repeat them here.

当然，第一核心网设备根据目标切片的特征信息，还可以通过其他方式获取目标切片的信息，本申请实施例中对此并不作限制。Of course, the first core network device may also obtain the target slice information in other ways according to the characteristic information of the target slice, which is not limited in the embodiments of the present application.

本申请实施例中，通过第一核心网设备根据请求消息中携带的目标用户标识获取目标用户标识所对应的目标切片的信息，并将目标切片的信息发送给发送设备，以便于发送设备获取到目标切片中NF的地址信息。可见，实现了多网络切片场景下能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the first core network device obtains information about the target slice corresponding to the target user identifier according to the target user identifier carried in the request message, and sends the target slice information to the sending device, so that the sending device can obtain Address information of the NF in the target slice. It can be seen that the address information of the NF in the target slice corresponding to the target user can be determined in a multi-network slice scenario.

图3为本申请另一实施例提供的信息传输方法的流程示意图。本申请实施例中以网关设备侧为例，对本申请实施例提供的信息传输方法进行描述。如图3所示，本申请实施例的方法可以包括：FIG. 3 is a schematic flowchart of an information transmission method according to another embodiment of the present application. In the embodiment of the present application, the gateway device side is taken as an example to describe the information transmission method provided in the embodiment of the present application. As shown in FIG. 3, the method in this embodiment of the present application may include:

步骤S301、网关设备向第一核心网设备发送请求消息。Step S301: The gateway device sends a request message to the first core network device.

本步骤中，网关设备向第一核心网设备(例如，UDM或者C-NRF)发送请求消息；其中，请求消息中可以携带目标用户标识(当然，还可以携带其它信息，本申请实施例中对此并不作限制)；请求消息用于指示向第一核心网设备请求目标用户标识所对应的目标切片的信息，以便于第一核心网设备根据目标用户标识获取目标切片的信息。In this step, the gateway device sends a request message to the first core network device (for example, UDM or C-NRF). The request message may carry the target user identifier (of course, it may also carry other information. In this embodiment of the present application, This is not a limitation); the request message is used to instruct the first core network device to request information about the target slice corresponding to the target user identifier, so that the first core network device obtains information about the target slice according to the target user identifier.

步骤S302、网关设备从第一核心网设备接收响应消息。Step S302: The gateway device receives a response message from the first core network device.

示例性地，响应消息中可以携带目标切片的信息。需要说明的是，响应消息中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message may carry information of the target slice. It should be noted that the response message may also carry other information, which is not limited in the embodiments of the present application.

步骤S303、网关设备根据目标切片的信息向目标切片中网络功能NF发送业务请求。Step S303: The gateway device sends a service request to the network function NF in the target slice according to the information of the target slice.

本实施例中，示例性地，目标切片的信息可以包括但不限于：目标切片的特征信息和/或目标切片中NF的地址信息。本申请下述实施例中针对目标切片的信息的不同对本申请实施例提供的信息传输方法进行描述：In this embodiment, for example, the information of the target slice may include, but is not limited to, feature information of the target slice and / or address information of the NF in the target slice. In the following embodiments of the present application, the information transmission method provided in the embodiments of the present application is described based on the difference in the information of the target slice:

1)一种可能的实现方式：若目标切片的信息包括目标切片的特征信息，网关设备根据目标切片的特征信息获取目标切片中NF的地址信息，并根据NF的地址信息向NF发送业务请求。示例性地，目标切片的特征信息可以为第一核心网设备(例如UDM)根据目标用户标识以及用户标识与切片特征信息之间的映射信息确定的，或者可以为第一核心网设备根据目标用户标识从其它核心网设备处获取的；当然，目标切片的特征信息还可以为第一核心网设备通过其它方式确定的，本申请实施例中对此并不作限制。1) A possible implementation manner: If the information of the target slice includes the characteristic information of the target slice, the gateway device obtains the address information of the NF in the target slice according to the characteristic information of the target slice, and sends a service request to the NF according to the address information of the NF. Exemplarily, the characteristic information of the target slice may be determined by the first core network device (for example, UDM) according to the target user identifier and the mapping information between the user identifier and the slice characteristic information, or may be determined by the first core network device according to the target user. The identifier is obtained from other core network devices; of course, the characteristic information of the target slice may also be determined by the first core network device through other methods, which is not limited in the embodiments of the present application.

本申请下述实施例对“网关设备根据目标切片的特征信息获取目标切片中NF的地址信息”的可实现方式进行介绍：The following embodiment of this application describes the implementation manner of "the gateway device obtains the address information of the NF in the target slice according to the characteristic information of the target slice":

示例性地，网关设备根据目标切片的特征信息确定目标用户标识对应的第二核心网设备，并根据目标切片的特征信息从第二核心网设备获取目标切片中NF的地址信息。Exemplarily, the gateway device determines the second core network device corresponding to the target user identifier according to the characteristic information of the target slice, and obtains the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice.

本申请实施例中，网关设备根据目标切片的特征信息(例如包括以下至少一项：目标切片的标识信息、C-NRF的标识信息和S-NRF的标识信息)确定目标用户标识对应的第二核心网设备。具体的，网关设备确定第二核心网设备的方式，可以参考上述第一核心网设备确定第二核心网设备的方式，此处不再赘述。In the embodiment of the present application, the gateway device determines the second corresponding to the target user identifier according to the characteristic information of the target slice (for example, including at least one of the following: identification information of the target slice, identification information of the C-NRF, and identification information of the S-NRF). Core network equipment. Specifically, for the manner in which the gateway device determines the second core network device, reference may be made to the foregoing manner in which the first core network device determines the second core network device, and details are not described herein again.

进一步地，网关设备根据目标切片的特征信息从第二核心网设备获取目标切片中NF的地址信息。具体的，网关设备从第二核心网设备获取目标切片中NF的地址信息的方式，可以参考上述第一核心网设备从第二核心网设备获取目标切片中NF的地址信息的方式，此处不再赘述。Further, the gateway device acquires the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice. Specifically, for the manner in which the gateway device obtains the address information of the NF in the target slice from the second core network device, reference may be made to the foregoing manner in which the first core network device obtains the address information of the NF in the target slice from the second core network device. More details.

示例性地，网关设备根据目标切片的特征信息从切片管理器获取目标切片中NF的地址信息。例如，网关设备向切片管理器发送请求消息2(携带目标切片的特征信息)，其中，请求消息2用于指示向切片管理器请求目标切片中NF的地址信息，以便于切片管理器根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息；进一步地，网关设备从切片管理器接收响应消息2(携带目标切片中NF的地址信息)。Exemplarily, the gateway device acquires the address information of the NF in the target slice from the slice manager according to the characteristic information of the target slice. For example, the gateway device sends a request message 2 (carrying the characteristic information of the target slice) to the slice manager, where the request message 2 is used to instruct the slice manager to request the address information of the NF in the target slice, so that the slice manager can request the slice according to the target slice. Feature information and mapping information between the slice feature information and the NF address information to determine the address information of the NF in the target slice; further, the gateway device receives a response message 2 (carrying the address information of the NF in the target slice) from the slice manager.

示例性地，网关设备根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Exemplarily, the gateway device determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

考虑到网关设备中需要预先存储有目标切片的特征信息以及其对应的目标切片中NF的地址信息，示例性地，网关设备在根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息之前，可以接收切片管理器发送的至少一个切片特征信息，以及每个切片特征信息所对应的NF地址信息(例如包括目标切片的特征信息以及目标切片中NF的地址信息)，以便于网关设备保存目标用户标识与目标切片的特征信息之间的映射关系。Considering that the gateway device needs to store the feature information of the target slice and the address information of the NF in the corresponding target slice in advance, for example, the gateway device uses the feature information of the target slice and the relationship between the slice characteristic information and the NF address information. Mapping information. Before determining the address information of the NF in the target slice, you can receive at least one slice feature information sent by the slice manager and the NF address information corresponding to each slice feature information (for example, including the feature information of the target slice and the target slice). NF address information), so that the gateway device saves the mapping relationship between the target user identity and the characteristic information of the target slice.

当然，网关设备根据目标切片的特征信息，还可以通过其它方式获取目标切片中NF的地址信息，本申请实施例中对此并不作限制。Of course, the gateway device may obtain the address information of the NF in the target slice through other methods according to the characteristic information of the target slice, which is not limited in the embodiment of the present application.

2)另一种可能的实现方式：若目标切片的信息包括目标切片中NF的地址信息，网关设备根据NF的地址信息向NF发送业务请求；其中，目标切片中NF的地址信息为第一核心网设备(例如UDM或C-NRF)在根据目标用户标识获取到目标切片的特征信息后，根据目标切片的特征信息所获取的。2) Another possible implementation: If the information of the target slice includes the address information of the NF in the target slice, the gateway device sends a service request to the NF according to the address information of the NF; wherein the address information of the NF in the target slice is the first core After the network device (for example, UDM or C-NRF) obtains the characteristic information of the target slice according to the target user ID, it obtains the characteristic information of the target slice.

示例性地，目标切片的特征信息可以为第一核心网设备根据目标用户标识以及用户标识与切片特征信息之间的映射信息确定的，或者可以为第一核心网设备根据目标用户标识从其它核心网设备处获取的；当然，目标切片的特征信息还可以为第一核心网设备通过其它方式确定的，本申请实施例中对此并不作限制。Exemplarily, the feature information of the target slice may be determined by the first core network device according to the target user identifier and the mapping information between the user identifier and the slice feature information, or may be obtained from other cores by the first core network device according to the target user identifier. Obtained at the network device; of course, the feature information of the target slice may also be determined by the first core network device in other manners, which is not limited in the embodiments of the present application.

又一示例性地，目标切片中NF的地址信息为第一核心网设备在根据目标用户标识获取到目标切片的特征信息后，根据目标切片的特征信息从第三核心网设备所获取的。In another example, the address information of the NF in the target slice is obtained by the first core network device from the third core network device according to the characteristic information of the target slice after acquiring the characteristic information of the target slice according to the target user identifier.

例如，第一核心网设备在根据目标用户标识获取到目标切片的特征信息后，根据目标切片的特征信息确定目标用户标识对应的第三核心网设备(例如，S-NRF或S-NRF)，并根据目标切片的特征信息从第三核心网设备获取目标切片中NF的地址信息。具体的，第一核心网设备确定第三核心网设备的方式，可以参考上述第一核心网设备确定第二核心网设备的方式，此处不再赘述；和/或，第一核心网设备从第三核心网设备获取目标切片中NF的地址信息的方式，可以参考上述第一核心网设备从第二核心网设备获取目标切片中NF的地址信息的方式，此处不再赘述。For example, after the first core network device obtains the characteristic information of the target slice according to the target user identifier, determines the third core network device (for example, S-NRF or S-NRF) corresponding to the target user identifier according to the characteristic information of the target slice. The address information of the NF in the target slice is obtained from the third core network device according to the characteristic information of the target slice. Specifically, for the manner in which the first core network device determines the third core network device, reference may be made to the foregoing manner in which the first core network device determines the second core network device, which is not described herein again; and / or, the first core network device is from For the manner in which the third core network device obtains the address information of the NF in the target slice, reference may be made to the foregoing manner in which the first core network device obtains the address information of the NF in the target slice from the second core network device, and details are not described herein again.

又一示例性地，目标切片中NF的地址信息为第一核心网设备在根据目标用户标识获取到目标切片的特征信息后，根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息所确定的。In another exemplary embodiment, the address information of the NF in the target slice is obtained by the first core network device according to the target user identifier, and the characteristic information of the target slice is used according to the characteristic information of the target slice and between the slice characteristic information and the NF address information. Determined by the mapping information.

本申请实施例中，网关设备通过向第一核心网设备获取目标切片的信息，并根据获取的目标切片的信息向目标切片中网络功能NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the gateway device obtains information about the target slice from the first core network device, and sends a service request to the network function NF in the target slice according to the obtained information about the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

图4为本申请另一实施例提供的信息传输方法的流程示意图。本申请实施例中以第一核心网设备为NRF为例，对本申请实施例提供的信息传输方法进行描述。如图4所示，本申请实施例的方法可以包括：FIG. 4 is a schematic flowchart of an information transmission method according to another embodiment of the present application. In the embodiment of the present application, the first core network device is an NRF as an example, and the information transmission method provided in the embodiment of the present application is described. As shown in FIG. 4, the method in this embodiment of the present application may include:

步骤S401、第一核心网设备从发送设备接收请求消息。Step S401: The first core network device receives a request message from a sending device.

本步骤中，第一核心网设备从发送设备(例如，网关设备或UDM)接收请求消息；其中，请求消息中可以携带目标切片的特征信息(当然，还可以携带其它信息，本申请实施例中对此并不作限制)；请求消息用于指示向第一核心网设备请求目标切片中的网络功能NF的地址信息。In this step, the first core network device receives a request message from a sending device (for example, a gateway device or UDM). The request message may carry characteristic information of the target slice (of course, other information may also be carried. In the embodiment of the present application, This is not a limitation); the request message is used to instruct the first core network device to request the address information of the network function NF in the target slice.

示例性地，目标切片的特征信息可以包括但不限于以下至少一项：目标切片的标识信息、C-NRF的标识信息和S-NRF的标识信息。Exemplarily, the feature information of the target slice may include but is not limited to at least one of the following: identification information of the target slice, identification information of the C-NRF, and identification information of the S-NRF.

步骤S402、第一核心网设备根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Step S402: The first core network device determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

步骤S403、第一核心网设备向发送设备发送响应消息。Step S403: The first core network device sends a response message to the sending device.

示例性地，响应消息中可以携带目标切片中NF的地址信息。需要说明的是，响应消息中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message may carry the address information of the NF in the target slice. It should be noted that the response message may also carry other information, which is not limited in the embodiments of the present application.

本申请实施例中，通过第一核心网设备根据切片特征信息与NF地址信息之间的映射信息，以及请求消息中携带的目标切片的特征信息确定目标切片中NF的地址信息，并将目标切片中NF的地址信息发送给发送设备，以便于发送设备获取到目标切片中NF的地址信息。可见，实现了多网络切片场景下能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the first core network device determines the address information of the NF in the target slice according to the mapping information between the slice characteristic information and the NF address information and the characteristic information of the target slice carried in the request message, and the target slice is The address information of the NF in the sending is sent to the sending device, so that the sending device can obtain the address information of the NF in the target slice. It can be seen that the address information of the NF in the target slice corresponding to the target user can be determined in a multi-network slice scenario.

图5为本申请另一实施例提供的信息传输方法的流程示意图。在上述实施例的基础上，本申请实施例中结合网关设备、UDM、NRF和目标切片中NF为例，对本申请实施例提供的信息传输方法进行描述。如图5所示，本申请实施例的方法可以包括：FIG. 5 is a schematic flowchart of an information transmission method according to another embodiment of the present application. Based on the above embodiments, the embodiments of the present application describe the information transmission method provided by the embodiments of the present application with the gateway device, UDM, NRF, and NF in the target slice as examples. As shown in FIG. 5, the method in this embodiment of the present application may include:

步骤S501、网关设备向UDM发送请求消息3a。Step S501: The gateway device sends a request message 3a to the UDM.

示例性地，请求消息3a中可以携带目标用户标识；请求消息3a用于指示向UDM请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息3a中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 3a may carry the target user identifier; the request message 3a is used to instruct the UDM to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 3a may also carry other information, which is not limited in the embodiment of the present application.

步骤S502、UDM根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标切片的特征信息。Step S502: The UDM determines the characteristic information of the target slice according to the target user identifier and the mapping information between the user identifier and the slice characteristic information.

步骤S503、UDM根据目标切片的特征信息确定NRF，并向NRF发送请求消息3b。Step S503: The UDM determines the NRF according to the characteristic information of the target slice, and sends a request message 3b to the NRF.

例如，若目标切片的特征信息包括：目标切片的标识信息，则确定NRF为C-NRF。又例如，若目标切片的特征信息包括：目标切片的标识信息和C-NRF的标识信息，则确定NRF为该C-NRF。又例如，若目标切片的特征信息包括：S-NRF的标识信息，则确定NRF为该S-NRF。For example, if the feature information of the target slice includes identification information of the target slice, it is determined that the NRF is a C-NRF. For another example, if the characteristic information of the target slice includes identification information of the target slice and identification information of the C-NRF, it is determined that the NRF is the C-NRF. For another example, if the feature information of the target slice includes identification information of the S-NRF, it is determined that the NRF is the S-NRF.

示例性地，请求消息3b中可以携带目标切片的特征信息；请求消息3b用于指示向NRF请求目标切片中NF的地址信息。需要说明的是，请求消息3b中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 3b may carry the characteristic information of the target slice; the request message 3b is used to instruct the NRF to request the address information of the NF in the target slice. It should be noted that the request message 3b may also carry other information, which is not limited in the embodiment of the present application.

步骤S504、NRF根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Step S504: The NRF determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

步骤S505、NRF向UDM发送响应消息3b。Step S505: The NRF sends a response message 3b to the UDM.

示例性地，响应消息3b中可以携带目标切片中NF的地址信息；当然，响应消息3b中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message 3b may carry the address information of the NF in the target slice; of course, the response message 3b may also carry other information, which is not limited in the embodiment of the present application.

步骤S506、UDM向网关设备发送响应消息3a。Step S506: The UDM sends a response message 3a to the gateway device.

示例性地，响应消息3a中可以携带目标切片中NF的地址信息；当然，响应消息3a中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message 3a may carry the address information of the NF in the target slice; of course, the response message 3a may also carry other information, which is not limited in this embodiment of the present application.

步骤S507、网关设备向目标切片中NF发送业务请求。Step S507: The gateway device sends a service request to the NF in the target slice.

具体的，网关设备向NF发送业务请求的方式，可以参考相关技术中业务请求的发送方式，本申请实施例中对此并不作限制。Specifically, for a manner in which the gateway device sends a service request to the NF, reference may be made to a service request sending manner in related technologies, which is not limited in the embodiments of the present application.

本申请实施例中，通过网关设备向UDM获取目标切片的信息；进一步地，UDM根据目标用户标识确定目标切片的特征信息，并根据目标切片的特征信息从NRF获取目标切片中NF的地址信息；进一步地，UDM将获取的目标切片中NF的地址信息发送给网关设备，以便于网关设备向目标切片中NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the gateway device obtains the information of the target slice from the UDM; further, the UDM determines the characteristic information of the target slice according to the target user identifier, and obtains the address information of the NF in the target slice from the NRF according to the characteristic information of the target slice; Further, the UDM sends the obtained address information of the NF in the target slice to the gateway device, so that the gateway device sends a service request to the NF in the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

图6为本申请另一实施例提供的信息传输方法的流程示意图。在上述实施例的基础上，本申请实施例中结合网关设备、UDM、NRF和目标切片中NF为例，对本申请实施例提供的信息传输方法进行描述。如图6所示，本申请实施例的方法可以包括：FIG. 6 is a schematic flowchart of an information transmission method according to another embodiment of the present application. Based on the above embodiments, the embodiments of the present application describe the information transmission method provided by the embodiments of the present application with the gateway device, UDM, NRF, and NF in the target slice as examples. As shown in FIG. 6, the method in this embodiment of the present application may include:

步骤S601、网关设备向UDM发送请求消息4a。Step S601: The gateway device sends a request message 4a to the UDM.

示例性地，请求消息4a中可以携带目标用户标识；请求消息4a用于指示向UDM请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息4a中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 4a may carry the target user identifier; the request message 4a is used to instruct the UDM to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 4a may also carry other information, which is not limited in the embodiment of the present application.

步骤S602、UDM根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标切片的特征信息。Step S602: The UDM determines the characteristic information of the target slice according to the target user identifier and the mapping information between the user identifier and the slice characteristic information.

示例性地，目标切片的特征信息可以包括但不限于以下至少一项：目标切片的标识信息、C-NRF的标识信息和S-NRF的标识信息。例如，若目标切片中不包含S-NRF，则目标切片的特征信息可以包括：目标切片的标识信息和C-NRF的标识信息(若所有网络切片共用一个C-NRF，则目标切片的特征信息可以不用包括：C-NRF的标识信息)。又例如，若目标切片中包含S-NRF，则目标切片的特征信息可以包括：目标切片的标识信息和/或S-NRF的标识信息。Exemplarily, the feature information of the target slice may include but is not limited to at least one of the following: identification information of the target slice, identification information of the C-NRF, and identification information of the S-NRF. For example, if the target slice does not contain S-NRF, the characteristic information of the target slice may include: identification information of the target slice and identification information of the C-NRF (if all network slices share one C-NRF, the characteristic information of the target slice It may not be necessary to include: C-NRF identification information). For another example, if the target slice includes S-NRF, the feature information of the target slice may include identification information of the target slice and / or identification information of S-NRF.

步骤S603、UDM向网关设备发送响应消息4a。Step S603: The UDM sends a response message 4a to the gateway device.

示例性地，响应消息4a中可以携带目标切片的特征信息；当然，响应消息4a中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response information 4a may carry characteristic information of the target slice; of course, the response message 4a may also carry other information, which is not limited in the embodiment of the present application.

步骤S604、网关设备根据目标切片的特征信息确定NRF，并向NRF发送请求消息4b。Step S604: The gateway device determines the NRF according to the characteristic information of the target slice, and sends a request message 4b to the NRF.

具体的，网关设备根据目标切片的特征信息确定NRF的方式，可以参考上述步骤S503中UDM根据目标切片的特征信息确定NRF的方式，此处不再赘述。Specifically, for the manner in which the gateway device determines the NRF according to the characteristic information of the target slice, reference may be made to the manner in which the UDM determines the NRF according to the characteristic information of the target slice in step S503, and details are not described herein again.

示例性地，请求消息4b中可以携带目标切片的特征信息；请求消息4b用于指示向NRF请求目标切片中NF的地址信息。需要说明的是，请求消息4b中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the request message 4b may carry the characteristic information of the target slice; the request message 4b is used to instruct the NRF to request the address information of the NF in the target slice. It should be noted that the request message 4b may also carry other information, which is not limited in the embodiment of the present application.

步骤S605、NRF根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Step S605: The NRF determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

步骤S606、NRF向网关设备发送响应消息4b。Step S606: The NRF sends a response message 4b to the gateway device.

示例性地，响应消息4b中可以携带目标切片中NF的地址信息；当然，响应消息4b中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message 4b may carry the address information of the NF in the target slice; of course, the response message 4b may also carry other information, which is not limited in the embodiment of the present application.

步骤S607、网关设备向目标切片中NF发送业务请求。Step S607: The gateway device sends a service request to the NF in the target slice.

本申请实施例中，通过网关设备向UDM获取目标切片的信息；进一步地，UDM根据目标用户标识确定目标切片的特征信息并发送给网关设备；进一步地，网关设备根据目标切片的特征信息从NRF获取目标切片中NF的地址信息，以便于网关设备向目标切片中NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the information about the target slice is obtained from the UDM through the gateway device; further, the UDM determines the characteristic information of the target slice according to the target user identifier and sends it to the gateway device; further, the gateway device obtains the target slice information from the NRF Obtain the address information of the NF in the target slice, so that the gateway device sends a service request to the NF in the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

图7为本申请另一实施例提供的信息传输方法的流程示意图。在上述实施例的基础上，本申请实施例中结合网关设备、UDM、切片管理器和目标切片中NF为例，对本申请实施例提供的信息传输方法进行描述。如图7所示，本申请实施例的方法可以包括：FIG. 7 is a schematic flowchart of an information transmission method according to another embodiment of the present application. Based on the foregoing embodiments, the embodiments of the present application describe the information transmission method provided by the embodiments of the present application with the gateway device, UDM, slice manager, and NF in the target slice as examples. As shown in FIG. 7, the method in this embodiment of the present application may include:

步骤S701、网关设备向UDM发送请求消息5a。Step S701: The gateway device sends a request message 5a to the UDM.

示例性地，请求消息5a中可以携带目标用户标识；请求消息5a用于指示向UDM请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息5a中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 5a may carry the target user identifier; the request message 5a is used to instruct the UDM to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 5a may also carry other information, which is not limited in the embodiment of the present application.

步骤S702、UDM根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标切片的特征信息。Step S702: The UDM determines the characteristic information of the target slice according to the target user identifier and the mapping information between the user identifier and the slice characteristic information.

步骤S703、UDM向网关设备发送响应消息5a。Step S703: The UDM sends a response message 5a to the gateway device.

示例性地，响应消息5a中可以携带目标切片的特征信息；当然，响应消息5a中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the characteristic information of the target slice may be carried in the response message 5a; of course, the response message 5a may also carry other information, which is not limited in the embodiment of the present application.

步骤S704、网关设备向切片管理器发送请求消息5b。Step S704: The gateway device sends a request message 5b to the slice manager.

示例性地，请求消息5b中可以携带目标切片的特征信息；请求消息5b用于指示向切片管理器请求目标切片中NF的地址信息。需要说明的是，请求消息5b中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the request message 5b may carry the characteristic information of the target slice; the request message 5b is used to instruct the slice manager to request the address information of the NF in the target slice. It should be noted that the request message 5b may also carry other information, which is not limited in the embodiment of the present application.

步骤S705、切片管理器根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Step S705: The slice manager determines the address information of the NF in the target slice according to the feature information of the target slice and the mapping information between the slice feature information and the NF address information.

步骤S706、切片管理器向网关设备发送响应消息5b。Step S706: The slice manager sends a response message 5b to the gateway device.

示例性地，响应消息5b中可以携带目标切片中NF的地址信息；当然，响应消息5b中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message 5b may carry the address information of the NF in the target slice; of course, the response message 5b may also carry other information, which is not limited in the embodiment of the present application.

步骤S707、网关设备向目标切片中NF发送业务请求。Step S707: The gateway device sends a service request to the NF in the target slice.

本申请实施例中，通过网关设备向UDM获取目标切片的信息；进一步地，UDM根据目标用户标识确定目标切片的特征信息并发送给网关设备；进一步地，网关设备根据目标切片的特征信息从切片管理器获取目标切片中NF的地址信息，以便于网关设备向目标切片中NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, information about the target slice is obtained from the UDM through the gateway device; further, the UDM determines the characteristic information of the target slice according to the target user identifier and sends the characteristic information to the gateway device; further, the gateway device obtains the target slice The manager obtains the address information of the NF in the target slice, so that the gateway device sends a service request to the NF in the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

图8为本申请另一实施例提供的信息传输方法的流程示意图。在上述实施例的基础上，本申请实施例中结合网关设备、UDM和目标切片中NF为例，对本申请实施例提供的信息传输方法进行描述。如图8所示，本申请实施例的方法可以包括：FIG. 8 is a schematic flowchart of an information transmission method according to another embodiment of the present application. On the basis of the foregoing embodiments, the embodiments of the present application describe the information transmission method provided by the embodiments of the present application with the gateway device, UDM, and NF in the target slice as examples. As shown in FIG. 8, the method in this embodiment of the present application may include:

步骤S801、网关设备向UDM发送请求消息6a。Step S801: The gateway device sends a request message 6a to the UDM.

示例性地，请求消息6a中可以携带目标用户标识；请求消息6a用于指示向UDM请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息6a中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 6a may carry the target user identifier; the request message 6a is used to instruct the UDM to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 6a may also carry other information, which is not limited in the embodiment of the present application.

步骤S802、UDM根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标切片的特征信息。Step S802: The UDM determines the characteristic information of the target slice according to the target user identifier and the mapping information between the user identifier and the slice characteristic information.

步骤S803、UDM向网关设备发送响应消息6a。Step S803: The UDM sends a response message 6a to the gateway device.

示例性地，响应消息6a中可以携带目标切片的特征信息；当然，响应消息6a中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the characteristic information of the target slice may be carried in the response message 6a; of course, other information may also be carried in the response message 6a, which is not limited in the embodiment of the present application.

步骤S804、网关设备根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Step S804: The gateway device determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

示例性地，网关设备中预先存储有目标切片的特征信息以及其对应的目标切片中NF的地址信息。Exemplarily, the gateway device stores the feature information of the target slice and the address information of the NF in the corresponding target slice in advance.

步骤S805、网关设备向目标切片中NF发送业务请求。Step S805: The gateway device sends a service request to the NF in the target slice.

图9为本申请另一实施例提供的信息传输方法的流程示意图。在上述图8所示实施例的基础上，本申请实施例中对网关设备中预先存储目标切片的特征信息以及其对应的目标切片中NF的地址信息的可实现方式进行介绍。如图9所示，本申请实施例的方法可以包括：FIG. 9 is a schematic flowchart of an information transmission method according to another embodiment of the present application. Based on the embodiment shown in FIG. 8 described above, in this embodiment of the present application, an implementation manner of pre-storing the feature information of the target slice and the address information of the NF in the corresponding target slice in the gateway device is introduced. As shown in FIG. 9, the method in this embodiment of the present application may include:

步骤S901、切片管理器接收到切片创建请求消息。Step S901: The slice manager receives a slice creation request message.

示例性地，切片创建请求消息中可以携带网络切片需求和S-NSSAI；当然，切片创建请求消息中还可以携带其它信息，本申请实施例中对此并不作限制Exemplarily, the slice creation request message may carry the network slice requirement and S-NSSAI; of course, the slice creation request message may also carry other information, which is not limited in the embodiment of the present application.

步骤S902、切片管理器根据切片创建请求消息创建目标切片中NF。Step S902: The slice manager creates the NF in the target slice according to the slice creation request message.

步骤S903、创建完成。Step S903, the creation is completed.

步骤S904、切片管理器向网关设备发送该目标切片的特征信息以及目标切片中NF的地址信息。Step S904: The slice manager sends the feature information of the target slice and the address information of the NF in the target slice to the gateway device.

图10为本申请另一实施例提供的信息传输方法的流程示意图。在上述实施例的基础上，本申请实施例中假设所有网络切片共用一个C-NRF且目标网络切片内不包含S-NRF，结合网关设备、UDM、C-NRF和目标切片中NF为例，对本申请实施例提供的信息传输方法进行描述。如图10所示，本申请实施例的方法可以包括：FIG. 10 is a schematic flowchart of an information transmission method according to another embodiment of the present application. Based on the above embodiments, it is assumed in this embodiment of the present application that all network slices share one C-NRF and the target network slice does not include S-NRF. Taking the gateway device, UDM, C-NRF, and NF in the target slice as examples, The information transmission method provided in the embodiment of the present application is described. As shown in FIG. 10, the method in this embodiment of the present application may include:

步骤S1001、网关设备向C-NRF发送请求消息7a。Step S1001: The gateway device sends a request message 7a to the C-NRF.

示例性地，请求消息7a中可以携带目标用户标识；请求消息7a用于指示向C-NRF请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息7a中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 7a may carry the target user identifier; the request message 7a is used to instruct the C-NRF to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 7a may also carry other information, which is not limited in the embodiment of the present application.

步骤S1002、C-NRF向UDM发送请求消息7b。Step S1002, the C-NRF sends a request message 7b to the UDM.

示例性地，请求消息7b中可以携带目标用户标识；请求消息7b用于指示向UDM请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息7b中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 7b may carry the target user identifier; the request message 7b is used to instruct the UDM to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 7b may also carry other information, which is not limited in the embodiment of the present application.

步骤S1003、UDM根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标切片的特征信息。Step S1003: The UDM determines the characteristic information of the target slice according to the target user identifier and the mapping information between the user identifier and the slice characteristic information.

示例性地，目标切片的特征信息可以包括但不限于：目标切片的标识信息。Exemplarily, the feature information of the target slice may include, but is not limited to, identification information of the target slice.

步骤S1004、UDM向C-NRF发送响应消息7b。Step S1004: The UDM sends a response message 7b to the C-NRF.

示例性地，响应消息7b中可以携带目标切片的特征信息；当然，响应消息7b中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the characteristic information of the target slice may be carried in the response message 7b; of course, other information may also be carried in the response message 7b, which is not limited in the embodiment of the present application.

步骤S1005、C-NRF根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Step S1005: The C-NRF determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

步骤S1006、C-NRF向网关设备发送响应消息7a。Step S1006: The C-NRF sends a response message 7a to the gateway device.

示例性地，响应消息7a中可以携带目标切片中NF的地址信息；当然，响应消息7a中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the response message 7a may carry the address information of the NF in the target slice; of course, the response message 7a may also carry other information, which is not limited in the embodiment of the present application.

步骤S1007、网关设备向目标切片中NF发送业务请求。Step S1007: The gateway device sends a service request to the NF in the target slice.

本申请实施例中，通过网关设备向C-NRF获取目标切片的信息；进一步地，C-NRF根据目标用户标识从UDM获取目标切片的特征信息，并根据目标切片的特征信息确定目标切片中NF的地址信息；进一步地，C-NRF将目标切片中NF的地址信息发送给网关设备，以便于网关设备向目标切片中NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the information of the target slice is obtained from the C-NRF through the gateway device; further, the C-NRF obtains the characteristic information of the target slice from the UDM according to the target user identifier, and determines the NF in the target slice according to the characteristic information of the target slice Further, the C-NRF sends the address information of the NF in the target slice to the gateway device, so that the gateway device sends a service request to the NF in the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

图11为本申请另一实施例提供的信息传输方法的流程示意图。在上述实施例的基础上，本申请实施例中假设所有网络切片共用一个C-NRF且目标网络切片内包含S-NRF，结合网关设备、UDM、C-NRF、S-NRF和目标切片中NF为例，对本申请实施例提供的信息传输方法进行描述。如图11所示，本申请实施例的方法可以包括：FIG. 11 is a schematic flowchart of an information transmission method according to another embodiment of the present application. Based on the above embodiments, it is assumed in this embodiment of the present application that all network slices share one C-NRF and the target network slice contains S-NRF, which is combined with the gateway device, UDM, C-NRF, S-NRF, and NF in the target slice. For example, the information transmission method provided in the embodiment of the present application is described. As shown in FIG. 11, the method in this embodiment of the present application may include:

步骤S1101、网关设备向C-NRF发送请求消息8a。Step S1101, the gateway device sends a request message 8a to the C-NRF.

示例性地，请求消息8a中可以携带目标用户标识；请求消息8a用于指示向C-NRF请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息8a中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the request message 8a may carry the target user identifier; the request message 8a is used to instruct the C-NRF to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 8a may also carry other information, which is not limited in the embodiment of the present application.

步骤S1102、C-NRF向UDM发送请求消息8b。Step S1102, the C-NRF sends a request message 8b to the UDM.

示例性地，请求消息8b中可以携带目标用户标识；请求消息8b用于指示向UDM请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息8b中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 8b may carry the target user identifier; the request message 8b is used to instruct the UDM to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 8b may also carry other information, which is not limited in the embodiment of the present application.

步骤S1103、UDM根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标切片的特征信息。Step S1103: The UDM determines the characteristic information of the target slice according to the target user identifier and the mapping information between the user identifier and the slice characteristic information.

示例性地，目标切片的特征信息可以包括但不限于：S-NRF的标识信息。Exemplarily, the feature information of the target slice may include, but is not limited to, identification information of the S-NRF.

步骤S1104、UDM向C-NRF发送响应消息8b。Step S1104, the UDM sends a response message 8b to the C-NRF.

示例性地，响应消息8b中可以携带目标切片的特征信息；当然，响应消息8b中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the characteristic information of the target slice may be carried in the response message 8b; of course, other information may also be carried in the response message 8b, which is not limited in the embodiment of the present application.

步骤S1105、C-NRF根据目标切片的特征信息向S-NRF发送请求消息8c。Step S1105: The C-NRF sends a request message 8c to the S-NRF according to the characteristic information of the target slice.

示例性地，请求消息8c中可以不携带任何信息；请求消息8c用于指示向S-NRF请求目标切片中NF的地址信息。需要说明的是，请求消息8c中还可以携带其它信息(例如NF类型等，对应地，请求消息8c用于指示向S-NRF请求目标切片中该NF类型对应的NF的地址信息)，本申请实施例中对此并不作限制。For example, the request message 8c may not carry any information; the request message 8c is used to instruct the S-NRF to request the address information of the NF in the target slice. It should be noted that the request message 8c may also carry other information (for example, NF type, etc., correspondingly, the request message 8c is used to instruct the S-NRF to request the address information of the NF corresponding to the NF type in the target slice). This is not limited in the examples.

步骤S1106、S-NRF确定目标切片中NF的地址信息。Step S1106: The S-NRF determines the address information of the NF in the target slice.

示例性地，若请求消息8c中还携带NF类型，则S-NRF确定目标切片中属于该NF类型的NF的地址信息。For example, if the NF type is also carried in the request message 8c, the S-NRF determines the address information of the NF belonging to the NF type in the target slice.

步骤S1107、S-NRF向C-NRF发送响应消息8c。Step S1107: The S-NRF sends a response message 8c to the C-NRF.

示例性地，响应消息8c中可以携带目标切片中NF的地址信息(例如，目标切片中的所有NF的地址信息，或者目标切片中属于该NF类型的NF的地址信息)；当然，响应消息8c中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the response message 8c may carry the address information of the NFs in the target slice (for example, the address information of all NFs in the target slice, or the address information of the NFs belonging to the NF type in the target slice); Other information may also be carried in the information, which is not limited in the embodiments of the present application.

步骤S1108、C-NRF向网关设备发送响应消息8a。Step S1108: The C-NRF sends a response message 8a to the gateway device.

示例性地，响应消息8a中可以携带目标切片中NF的地址信息；当然，响应消息8a中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message 8a may carry the address information of the NF in the target slice; of course, the response message 8a may also carry other information, which is not limited in the embodiment of the present application.

步骤S1109、网关设备向目标切片中NF发送业务请求。Step S1109: The gateway device sends a service request to the NF in the target slice.

本申请实施例中，通过网关设备向C-NRF获取目标切片的信息；进一步地，C-NRF根据目标用户标识从UDM获取目标切片的特征信息，并根据目标切片的特征信息从S-NRF中获取目标切片中NF的地址信息；进一步地，C-NRF将目标切片中NF的地址信息发送给网关设备，以便于网关设备向目标切片中NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the information about the target slice is obtained from the C-NRF through the gateway device; further, the C-NRF obtains the characteristic information of the target slice from the UDM according to the target user identity, and according to the characteristic information of the target slice from the S-NRF Obtain the address information of the NF in the target slice; further, the C-NRF sends the address information of the NF in the target slice to the gateway device, so that the gateway device sends a service request to the NF in the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

图12为本申请另一实施例提供的信息传输方法的流程示意图。在上述实施例的基础上，本申请实施例中结合网关设备、UDM和目标切片中NF为例，对本申请实施例提供的信息传输方法进行描述。如图12所示，本申请实施例的方法可以包括：FIG. 12 is a schematic flowchart of an information transmission method according to another embodiment of the present application. On the basis of the foregoing embodiments, the embodiments of the present application describe the information transmission method provided by the embodiments of the present application with the gateway device, UDM, and NF in the target slice as examples. As shown in FIG. 12, the method in this embodiment of the present application may include:

步骤S1201、网关设备向UDM发送请求消息9a。Step S1201, the gateway device sends a request message 9a to the UDM.

示例性地，请求消息9a中可以携带目标用户标识；请求消息9a用于指示向UDM请求目标用户标识所对应的目标切片的信息。需要说明的是，请求消息9a中还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message 9a may carry the target user identifier; the request message 9a is used to instruct the UDM to request information about the target slice corresponding to the target user identifier. It should be noted that the request message 9a may also carry other information, which is not limited in the embodiment of the present application.

步骤S1202、UDM根据目标用户标识以及用户标识与切片特征信息之间的映射信息，确定目标切片的特征信息。Step S1202, the UDM determines the characteristic information of the target slice according to the target user identifier and the mapping information between the user identifier and the slice characteristic information.

步骤S1203、UDM根据目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定目标切片中NF的地址信息。Step S1203: The UDM determines the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information.

示例性地，UDM中预先存储有目标切片的特征信息以及其对应的目标切片中NF的地址信息。Exemplarily, the UDM stores the feature information of the target slice and the address information of the NF in the corresponding target slice in advance.

步骤S1204、UDM向网关设备发送响应消息9a。Step S1204: The UDM sends a response message 9a to the gateway device.

示例性地，响应消息9a中可以携带目标切片中NF的地址信息；当然，响应消息9a中还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message 9a may carry the address information of the NF in the target slice; of course, the response message 9a may also carry other information, which is not limited in the embodiment of the present application.

步骤S1205、网关设备向目标切片中NF发送业务请求。Step S1205: The gateway device sends a service request to the NF in the target slice.

本申请实施例中，通过网关设备向UDM获取目标切片的信息；进一步地，UDM根据目标用户标识确定目标切片的特征信息，并根据目标切片的特征信息确定目标切片中NF的地址信息；进一步地，UDM将确定的目标切片中NF的地址信息发送给网关设备，以便于网关设备向目标切片中NF发送业务请求。可见，实现了多网络切片场景下网关设备能够确定出目标用户所对应的目标切片中NF的地址信息。In the embodiment of the present application, the information about the target slice is obtained from the UDM through the gateway device; further, the UDM determines the characteristic information of the target slice according to the target user identifier, and determines the address information of the NF in the target slice according to the characteristic information of the target slice; further , The UDM sends the determined address information of the NF in the target slice to the gateway device, so that the gateway device sends a service request to the NF in the target slice. It can be seen that, in a multi-network slice scenario, the gateway device can determine the address information of the NF in the target slice corresponding to the target user.

图13为本申请另一实施例中涉及的终端注册流程示意图。在上述图12所示实施例的基础上，本申请实施例中对UDM中预先存储有目标切片的特征信息以及其对应的目标切片中NF的地址信息的可实现方式进行介绍。如图13所示，本申请实施例的方法可以包括：FIG. 13 is a schematic diagram of a terminal registration process involved in another embodiment of the present application. Based on the embodiment shown in FIG. 12 above, in this embodiment of the present application, an implementation manner in which the feature information of the target slice and the address information of the NF in the corresponding target slice are stored in the UDM is introduced. As shown in FIG. 13, the method in this embodiment of the present application may include:

步骤S1301-步骤S1308参考图1B所示实施例中的步骤11-步骤S18。Step S1301-step S1308 is referred to step 11-step S18 in the embodiment shown in FIG. 1B.

步骤S1309、UDM根据目标切片的特征信息确定NRF，并向NRF发送请求消息C。Step S1309: The UDM determines the NRF according to the characteristic information of the target slice, and sends a request message C to the NRF.

示例性地，请求消息C用于向NRF请求获取目标切片的特征信息所对应的目标切片内 NF的地址信息，请求消息C中可以携带目标切片的特征信息；当然，还可以携带其它信息，本申请实施例中对此并不作限制。For example, the request message C is used to request the NRF to obtain the address information of the NF in the target slice corresponding to the characteristic information of the target slice. The request message C may carry the characteristic information of the target slice; of course, other information may also be carried. This is not limited in the application examples.

步骤S1310、NRF根据目标切片的特征信息确定目标切片内NF的地址信息，并向UDM发送响应消息C。Step S1310: The NRF determines the address information of the NF in the target slice according to the characteristic information of the target slice, and sends a response message C to the UDM.

示例性地，响应消息C中可以携带目标切片内NF的地址信息；当然，还可以携带其它信息，本申请实施例中对此并不作限制。Exemplarily, the response message C may carry the address information of the NF in the target slice; of course, other information may also be carried, which is not limited in the embodiment of the present application.

步骤S1311、UDM向初始AMF返回确认消息。Step S1311, the UDM returns a confirmation message to the initial AMF.

步骤S1312、目标AMF向终端发送注册成功响应消息。Step S1312, the target AMF sends a registration success response message to the terminal.

图14为本申请一实施例提供的核心网设备的结构示意图。示例性地，本申请实施例中涉及的核心网设备可以为第一核心网设备。如图14所示，本实施例提供的第一核心网设备140可以包括：第一接收模块1401、第一获取模块1402和发送模块1403。FIG. 14 is a schematic structural diagram of a core network device according to an embodiment of the present application. Exemplarily, the core network device involved in the embodiment of the present application may be a first core network device. As shown in FIG. 14, the first core network device 140 provided in this embodiment may include a first receiving module 1401, a first obtaining module 1402, and a sending module 1403.

其中，第一接收模块1401，用于从发送设备接收请求消息；其中，该请求消息中携带目标用户标识；该请求消息用于指示向该第一核心网设备请求该目标用户标识所对应的目标切片的信息；The first receiving module 1401 is configured to receive a request message from a sending device. The request message carries a target user identifier. The request message is used to instruct the first core network device to request a target corresponding to the target user identifier. Sliced information

第一获取模块1402，用于根据该目标用户标识获取该目标切片的信息；A first obtaining module 1402, configured to obtain information of the target slice according to the target user identifier;

发送模块1403，用于向该发送设备发送响应消息；其中，该响应消息中携带该目标切片的信息。The sending module 1403 is configured to send a response message to the sending device; wherein the response message carries information about the target slice.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片的特征信息，该第一获取模块1402具体用于：In a possible implementation manner, if the information of the target slice includes feature information of the target slice, the first obtaining module 1402 is specifically configured to:

在一种可能的实现方式中，若该目标切片的信息包括该目标切片中NF的地址信息，该第一获取模块1402包括：In a possible implementation manner, if the information of the target slice includes address information of the NF in the target slice, the first obtaining module 1402 includes:

在一种可能的实现方式中，该第一核心网设备140还包括：In a possible implementation manner, the first core network device 140 further includes:

本申请实施例提供的第一核心网设备140，可以用于执行本申请上述相应的信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The first core network device 140 provided in the embodiment of the present application may be used to execute the technical solution of the first core network device in the corresponding information transmission method embodiment described above. The implementation principles and technical effects are similar, and are not described here. To repeat.

图15为本申请另一实施例提供的核心网设备的结构示意图。示例性地，本申请实施例中涉及的核心网设备可以为第一核心网设备。如图15所示，本实施例提供的第一核心网设备150可以包括：处理器1501和存储器1502；FIG. 15 is a schematic structural diagram of a core network device according to another embodiment of the present application. Exemplarily, the core network device involved in the embodiment of the present application may be a first core network device. As shown in FIG. 15, the first core network device 150 provided in this embodiment may include: a processor 1501 and a memory 1502;

其中，该存储器1502用于存储程序指令；The memory 1502 is used to store program instructions.

该处理器1501用于调用并执行该存储器1502中存储的程序指令，当该处理器1501执行该存储器1502存储的程序指令时，该第一核心网设备150用于执行本申请上述相应的信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The processor 1501 is configured to call and execute the program instructions stored in the memory 1502. When the processor 1501 executes the program instructions stored in the memory 1502, the first core network device 150 is configured to perform the foregoing corresponding information transmission of this application Regarding the technical solution of the first core network device in the method embodiment, the implementation principles and technical effects are similar, which are not described herein again.

可以理解的是，图15仅仅示出了第一核心网设备的简化设计。在其他的实施方式中，第一核心网设备还可以包含任意数量的收发器、处理器、存储器和/或通信单元等，本申请实施例中对此并不作限制。It can be understood that FIG. 15 only shows a simplified design of the first core network device. In other implementation manners, the first core network device may further include any number of transceivers, processors, memories, and / or communication units, which are not limited in the embodiments of the present application.

图16为本申请一实施例提供的网关设备的结构示意图。如图16所示，本实施例提供的网关设备160可以包括：第一发送模块1601、第一接收模块1602和第二发送模块1603。FIG. 16 is a schematic structural diagram of a gateway device according to an embodiment of the present application. As shown in FIG. 16, the gateway device 160 provided in this embodiment may include a first sending module 1601, a first receiving module 1602, and a second sending module 1603.

其中，第一发送模块1601，用于向第一核心网设备发送请求消息；其中，该请求消息中携带目标用户标识；该请求消息用于指示向该第一核心网设备请求该目标用户标识所对应的目标切片的信息；The first sending module 1601 is configured to send a request message to a first core network device. The request message carries a target user identifier. The request message is used to instruct the first core network device to request the target user identifier. The corresponding target slice information;

第一接收模块1602，用于从该第一核心网设备接收响应消息；其中，该响应消息中携带该目标切片的信息；A first receiving module 1602, configured to receive a response message from the first core network device, where the response message carries information about the target slice;

第二发送模块1603，用于根据该目标切片的信息向该目标切片中网络功能NF发送业务请求。The second sending module 1603 is configured to send a service request to the network function NF in the target slice according to the information of the target slice.

在一种可能的实现方式中，若该目标切片的信息包括该目标切片的特征信息，该第二发送模块1603包括：In a possible implementation manner, if the information of the target slice includes feature information of the target slice, the second sending module 1603 includes:

在一种可能的实现方式中，该网关设备160还包括：In a possible implementation manner, the gateway device 160 further includes:

在一种可能的实现方式中，若该目标切片的信息包括该目标切片中NF的地址信息，该第二发送模块1603具体用于：In a possible implementation manner, if the information of the target slice includes the address information of the NF in the target slice, the second sending module 1603 is specifically configured to:

本申请实施例提供的网关设备160，可以用于执行本申请上述相应的信息传输方法实施例中关于网关设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The gateway device 160 provided in this embodiment of the present application may be used to implement the technical solution of the gateway device in the corresponding information transmission method embodiment described above. The implementation principles and technical effects of the gateway device are similar, and are not described herein again.

图17为本申请另一实施例提供的网关设备的结构示意图。如图17所示，本实施例提供的网关设备170可以包括：处理器1701和存储器1702；FIG. 17 is a schematic structural diagram of a gateway device according to another embodiment of the present application. As shown in FIG. 17, the gateway device 170 provided in this embodiment may include: a processor 1701 and a memory 1702;

其中，该存储器1702用于存储程序指令；The memory 1702 is used to store program instructions.

该处理器1701用于调用并执行该存储器1702中存储的程序指令，当该处理器1701执行该存储器1702存储的程序指令时，网关设备170用于执行本申请上述相应的信息传输方法实施例中关于网关设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The processor 1701 is configured to call and execute the program instructions stored in the memory 1702. When the processor 1701 executes the program instructions stored in the memory 1702, the gateway device 170 is configured to execute the corresponding information transmission method embodiments described above in this application. Regarding the technical solution of the gateway device, its implementation principles and technical effects are similar, and are not repeated here.

可以理解的是，图17仅仅示出了网关设备的简化设计。在其他的实施方式中，网关设备还可以包含任意数量的收发器、处理器、存储器和/或通信单元等，本申请实施例中对此并不作限制。It can be understood that FIG. 17 only shows a simplified design of the gateway device. In other implementation manners, the gateway device may further include any number of transceivers, processors, memories, and / or communication units, which are not limited in the embodiments of the present application.

图18为本申请另一实施例提供的核心网设备的结构示意图。示例性地，本申请实施例中涉及的核心网设备可以为第一核心网设备。如图18所示，本实施例提供的第一核心网设备180可以包括：接收模块1801、确定模块1802和发送模块1803。FIG. 18 is a schematic structural diagram of a core network device according to another embodiment of the present application. Exemplarily, the core network device involved in the embodiment of the present application may be a first core network device. As shown in FIG. 18, the first core network device 180 provided in this embodiment may include a receiving module 1801, a determining module 1802, and a sending module 1803.

其中，接收模块1801，用于从发送设备接收请求消息；其中，该请求消息中携带目标切片的特征信息；该请求消息用于指示向该第一核心网设备请求该目标切片中的网络功能NF的地址信息；The receiving module 1801 is configured to receive a request message from a sending device. The request message carries characteristic information of a target slice. The request message is used to instruct the first core network device to request a network function NF in the target slice. Address information

确定模块1802，用于根据该目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定该目标切片中NF的地址信息；A determining module 1802, configured to determine the address information of the NF in the target slice according to the characteristic information of the target slice and the mapping information between the slice characteristic information and the NF address information;

发送模块1803，用于向该发送设备发送响应消息；其中，该响应消息中携带该目标切片中NF的地址信息。The sending module 1803 is configured to send a response message to the sending device, where the response message carries the address information of the NF in the target slice.

本申请实施例提供的第一核心网设备180，可以用于执行本申请上述相应的信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The first core network device 180 provided in the embodiment of the present application may be used to execute the technical solution of the first core network device in the corresponding information transmission method embodiment described above. The implementation principles and technical effects are similar, and are not described here. To repeat.

本申请另一实施例提供一种核心网设备。示例性地，本申请实施例中涉及的核心网设备可以为第一核心网设备，其示意图可以参考图15所示。本实施例提供的第一核心网设备可以包括：处理器和存储器；Another embodiment of the present application provides a core network device. Exemplarily, the core network device involved in the embodiment of the present application may be a first core network device. For a schematic diagram, refer to FIG. 15. The first core network device provided in this embodiment may include: a processor and a memory;

其中，该存储器用于存储程序指令；The memory is used to store program instructions;

该处理器用于调用并执行该存储器中存储的程序指令，当该处理器执行该存储器存储的程序指令时，该第一核心网设备用于执行本申请上述相应的信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The processor is configured to call and execute the program instructions stored in the memory. When the processor executes the program instructions stored in the memory, the first core network device is configured to execute the corresponding information transmission method in the embodiment of the application. The technical scheme of a core network device has similar implementation principles and technical effects, and is not repeated here.

本申请实施例还提供一种芯片***，该芯片***包括处理器，还可以包括存储器，用于实现本申请上述信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。该芯片***可以由芯片构成，也可以包含芯片和其他分立器件。The embodiment of the present application further provides a chip system, which includes a processor and may further include a memory, for implementing the technical solution of the first core network device in the embodiment of the foregoing information transmission method of the present application, and its implementation principles and technologies. The effect is similar and will not be repeated here. The chip system can be composed of chips, and can also include chips and other discrete devices.

本申请实施例还提供一种程序，该程序在被处理器执行时用于执行本申请上述信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。An embodiment of the present application further provides a program, which is executed by a processor to execute the technical solution of the first core network device in the foregoing embodiment of the information transmission method of the present application. The implementation principle and technical effect thereof are similar. Here, No longer.

本申请实施例还提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行本申请上述信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The embodiment of the present application further provides a computer program product containing instructions, which when executed on a computer, causes the computer to execute the technical solution related to the first core network device in the embodiment of the foregoing information transmission method of the present application, and its implementation principles and technologies The effect is similar and will not be repeated here.

本申请实施例还提供一种计算机可读存储介质，计算机可读存储介质中存储有指令，当指令在计算机上运行时，使得计算机执行本申请上述信息传输方法实施例中关于第一核心网设备的技术方案，其实现原理和技术效果类似，此处不再赘述。An embodiment of the present application further provides a computer-readable storage medium. The computer-readable storage medium stores instructions. When the instructions are run on the computer, the computer is caused to execute the first core network device in the embodiment of the foregoing information transmission method of the present application. The technical solution of this invention has similar implementation principles and technical effects, and is not repeated here.

本申请实施例还提供一种芯片***，该芯片***包括处理器，还可以包括存储器，用于实现本申请上述信息传输方法实施例中关于网关设备的技术方案，其实现原理和技术效果类似，此处不再赘述。该芯片***可以由芯片构成，也可以包含芯片和其他分立器件。An embodiment of the present application further provides a chip system. The chip system includes a processor and may further include a memory, which is used to implement the technical solution of the gateway device in the foregoing embodiment of the information transmission method of the present application. The implementation principles and technical effects are similar. I won't repeat them here. The chip system can be composed of chips, and can also include chips and other discrete devices.

本申请实施例还提供一种程序，该程序在被处理器执行时用于执行本申请上述信息传输方法实施例中关于网关设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The embodiment of the present application further provides a program, which is executed by a processor to execute the technical solution of the gateway device in the foregoing embodiment of the information transmission method of the present application. The implementation principle and technical effect thereof are similar, and are not repeated here. .

本申请实施例还提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行本申请上述信息传输方法实施例中关于网关设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The embodiment of the present application further provides a computer program product containing instructions, which when executed on a computer, causes the computer to execute the technical solution of the gateway device in the embodiment of the above-mentioned information transmission method of the present application. The implementation principles and technical effects are similar. I won't repeat them here.

本申请实施例还提供一种计算机可读存储介质，计算机可读存储介质中存储有指令，当指令在计算机上运行时，使得计算机执行本申请上述信息传输方法实施例中关于网关设备的技术方案，其实现原理和技术效果类似，此处不再赘述。The embodiment of the present application further provides a computer-readable storage medium. The computer-readable storage medium has instructions stored thereon. When the instructions are run on the computer, the computer is caused to execute the technical solution regarding the gateway device in the embodiment of the foregoing information transmission method of the present application. The implementation principle and technical effect are similar, so I won't repeat them here.

需要说明的是，本领域普通技术人员可以理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。It should be noted that a person of ordinary skill in the art can understand that in various embodiments of the present application, the sizes of the serial numbers of the above processes do not mean the order of execution, and the execution order of each process should be based on its function and internal It is logically determined, and should not constitute any limitation on the implementation process of the embodiments of the present application.

本申请实施例中涉及的处理器可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。The processors involved in the embodiments of the present application may be general-purpose processors, digital signal processors, application specific integrated circuits, field programmable gate arrays or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and may implement or The disclosed methods, steps and logic block diagrams in the embodiments of the present application are executed. A general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware processor, or may be performed by a combination of hardware and software modules in the processor.

本申请实施例中涉及的存储器可以是非易失性存储器，比如硬盘(hard disk drive，HDD)或固态硬盘(solid-state drive，SSD)等，还可以是易失性存储器(volatile memory)，例如随机存取存储器(random-access memory，RAM)。存储器是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。The memory involved in the embodiments of the present application may be a non-volatile memory, such as a hard disk (HDD) or a solid-state drive (SSD), etc., and may also be a volatile memory (volatile memory), such as Random-access memory (RAM). The memory is, but is not limited to, any other medium that can be used to carry or store desired program code in the form of instructions or data structures and can be accessed by a computer.

在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.

所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.

另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware, or in the form of hardware plus software functional units.

在上述各实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。In each of the foregoing embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, it may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions according to the embodiments of the present application are wholly or partially generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, a computer, a server, or a data center. Transmission via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server, or data center. The computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes one or more available medium integration. The available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (Solid State Disk (SSD)), and the like.

Claims

一种信息传输方法，其特征在于，包括：An information transmission method, comprising:

第一核心网设备从发送设备接收请求消息；其中，所述请求消息中携带目标用户标识；所述请求消息用于指示向所述第一核心网设备请求所述目标用户标识所对应的目标切片的信息；The first core network device receives a request message from a sending device; wherein the request message carries a target user identifier; the request message is used to instruct the first core network device to request a target slice corresponding to the target user identifier Information;

所述第一核心网设备根据所述目标用户标识获取所述目标切片的信息；Acquiring, by the first core network device, information about the target slice according to the target user identifier;

所述第一核心网设备向所述发送设备发送响应消息；其中，所述响应消息中携带所述目标切片的信息。The first core network device sends a response message to the sending device; wherein the response message carries information about the target slice.
根据权利要求1所述的方法，其特征在于，所述目标切片的信息包括以下至少一项：所述目标切片的特征信息和所述目标切片中网络功能NF的地址信息。The method according to claim 1, wherein the information of the target slice includes at least one of the following: characteristic information of the target slice and address information of a network function NF in the target slice.
根据权利要求2所述的方法，其特征在于，若所述目标切片的信息包括所述目标切片的特征信息，所述第一核心网设备根据所述目标用户标识获取所述目标切片的信息，包括：The method according to claim 2, wherein, if the information of the target slice includes characteristic information of the target slice, the first core network device obtains the information of the target slice according to the target user identifier, include:

所述第一核心网设备根据所述目标用户标识以及用户标识与切片特征信息之间的映射信息，确定所述目标用户标识所对应的目标切片的特征信息。The first core network device determines feature information of a target slice corresponding to the target user identifier according to the target user identifier and mapping information between the user identifier and slice characteristic information.
根据权利要求2所述的方法，其特征在于，若所述目标切片的信息包括所述目标切片中NF的地址信息，所述第一核心网设备根据所述目标用户标识获取所述目标切片的信息，包括：The method according to claim 2, characterized in that if the information of the target slice includes address information of NF in the target slice, the first core network device obtains the target slice according to the target user identifier. Information, including:

所述第一核心网设备根据所述目标用户标识以及用户标识与切片特征信息之间的映射信息，确定所述目标用户标识所对应的目标切片的特征信息；Determining, by the first core network device, characteristic information of a target slice corresponding to the target user identifier according to the target user identifier and mapping information between the user identifier and the slice characteristic information;

所述第一核心网设备根据所述目标切片的特征信息获取所述目标切片的信息。Obtaining, by the first core network device, information about the target slice according to characteristic information of the target slice.
根据权利要求4所述的方法，其特征在于，所述第一核心网设备根据所述目标切片的特征信息获取所述目标切片的信息，包括：The method according to claim 4, wherein the acquiring, by the first core network device, information about the target slice according to the characteristic information of the target slice comprises:

所述第一核心网设备根据所述目标切片的特征信息确定所述目标用户标识对应的第二核心网设备；Determining, by the first core network device, a second core network device corresponding to the target user identifier according to the characteristic information of the target slice;

所述第一核心网设备根据所述目标切片的特征信息从所述第二核心网设备获取所述目标切片中NF的地址信息。Obtaining, by the first core network device, the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice.
根据权利要求4所述的方法，其特征在于，所述第一核心网设备根据所述目标切片的特征信息获取所述目标切片的信息，包括：The method according to claim 4, wherein the acquiring, by the first core network device, information about the target slice according to the characteristic information of the target slice comprises:

所述第一核心网设备根据所述目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定所述目标切片中NF的地址信息。The first core network device determines address information of the NF in the target slice according to the characteristic information of the target slice and mapping information between the slice characteristic information and the NF address information.
根据权利要求6所述的方法，其特征在于，所述方法还包括：The method according to claim 6, further comprising:

所述第一核心网设备根据所述目标切片的特征信息从第三核心网设备获取所述目标切片中NF的地址信息。Obtaining, by the first core network device, the address information of the NF in the target slice from the third core network device according to the characteristic information of the target slice.
根据权利要求1-7中任一项所述的方法，其特征在于，所述方法还包括：The method according to any one of claims 1-7, wherein the method further comprises:

所述第一核心网设备接收第四核心网设备发送的至少一个用户标识所对应的切片特征信息。The first core network device receives slice feature information corresponding to at least one user identifier sent by a fourth core network device.
根据权利要求2所述的方法，其特征在于，若所述目标切片的信息包括所述目标切片中NF的地址信息，所述第一核心网设备根据所述目标用户标识获取所述目标切片的信息，包括：The method according to claim 2, characterized in that if the information of the target slice includes address information of NF in the target slice, the first core network device obtains the target slice according to the target user identifier. Information, including:

所述第一核心网设备根据所述目标用户标识从第五核心网设备获取所述目标切片的特征信息；Acquiring, by the first core network device, characteristic information of the target slice from a fifth core network device according to the target user identifier;

所述第一核心网设备根据所述目标切片的特征信息获取所述目标切片的信息。Obtaining, by the first core network device, information about the target slice according to characteristic information of the target slice.
根据权利要求9所述的方法，其特征在于，所述第一核心网设备根据所述目标切片的特征信息获取所述目标切片的信息，包括：The method according to claim 9, wherein the acquiring, by the first core network device, information about the target slice according to the characteristic information of the target slice comprises:

所述第一核心网设备根据所述目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定所述目标切片中NF的地址信息。The first core network device determines address information of the NF in the target slice according to the characteristic information of the target slice and mapping information between the slice characteristic information and the NF address information.
根据权利要求9所述的方法，其特征在于，所述第一核心网设备根据所述目标切片的特征信息获取所述目标切片的信息，包括：The method according to claim 9, wherein the acquiring, by the first core network device, information about the target slice according to the characteristic information of the target slice comprises:

所述第一核心网设备根据所述目标切片的特征信息确定所述目标用户标识对应的第六核心网设备；Determining, by the first core network device, a sixth core network device corresponding to the target user identifier according to the characteristic information of the target slice;

所述第一核心网设备根据所述目标切片的特征信息从所述第六核心网设备获取所述目标切片中NF的地址信息。Obtaining, by the first core network device, the address information of the NF in the target slice from the sixth core network device according to the characteristic information of the target slice.
一种信息传输方法，其特征在于，包括：An information transmission method, comprising:

网关设备向第一核心网设备发送请求消息；其中，所述请求消息中携带目标用户标识；所述请求消息用于指示向所述第一核心网设备请求所述目标用户标识所对应的目标切片的信息；The gateway device sends a request message to the first core network device; wherein the request message carries a target user identifier; the request message is used to instruct the first core network device to request a target slice corresponding to the target user identifier Information;

所述网关设备从所述第一核心网设备接收响应消息；其中，所述响应消息中携带所述目标切片的信息；Receiving, by the gateway device, a response message from the first core network device; wherein the response message carries information about the target slice;

所述网关设备根据所述目标切片的信息向所述目标切片中网络功能NF发送业务请求。The gateway device sends a service request to the network function NF in the target slice according to the information of the target slice.
根据权利要求12所述的方法，其特征在于，所述目标切片的信息包括以下至少一项：所述目标切片的特征信息和所述目标切片中网络功能NF的地址信息。The method according to claim 12, wherein the information of the target slice includes at least one of the following: characteristic information of the target slice and address information of a network function NF in the target slice.
根据权利要求13所述的方法，其特征在于，若所述目标切片的信息包括所述目标切片的特征信息，所述网关设备根据所述目标切片的信息向所述目标切片中网络功能NF发送业务请求，包括：The method according to claim 13, wherein if the information of the target slice includes characteristic information of the target slice, the gateway device sends the network function NF in the target slice according to the information of the target slice. Business requests, including:

所述网关设备根据所述目标切片的特征信息获取所述目标切片中NF的地址信息；Obtaining, by the gateway device, the address information of the NF in the target slice according to the characteristic information of the target slice;

所述网关设备根据所述NF的地址信息向所述NF发送业务请求。The gateway device sends a service request to the NF according to the address information of the NF.
根据权利要求14所述的方法，其特征在于，所述网关设备根据所述目标切片的特征信息获取所述目标切片中NF的地址信息，包括：The method according to claim 14, wherein the obtaining, by the gateway device, the address information of the NF in the target slice according to the characteristic information of the target slice comprises:

所述网关设备根据所述目标切片的特征信息确定所述目标用户标识对应的第二核心网设备；Determining, by the gateway device, a second core network device corresponding to the target user identifier according to the characteristic information of the target slice;

所述网关设备根据所述目标切片的特征信息从所述第二核心网设备获取所述目标切片中NF的地址信息。The gateway device acquires the address information of the NF in the target slice from the second core network device according to the characteristic information of the target slice.
根据权利要求14所述的方法，其特征在于，所述网关设备根据所述目标切片的特征信息获取所述目标切片中NF的地址信息，包括：The method according to claim 14, wherein the obtaining, by the gateway device, the address information of the NF in the target slice according to the characteristic information of the target slice comprises:

所述网关设备根据所述目标切片的特征信息从切片管理器获取所述目标切片中NF的地址信息。The gateway device acquires the address information of the NF in the target slice from the slice manager according to the characteristic information of the target slice.
根据权利要求14所述的方法，其特征在于，所述网关设备根据所述目标切片的特征信息获取所述目标切片中NF的地址信息，包括：The method according to claim 14, wherein the obtaining, by the gateway device, the address information of the NF in the target slice according to the characteristic information of the target slice comprises:

所述网关设备根据所述目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定所述目标切片中NF的地址信息。The gateway device determines address information of the NF in the target slice according to the characteristic information of the target slice and mapping information between the slice characteristic information and the NF address information.
根据权利要求17所述的方法，其特征在于，所述方法还包括：The method according to claim 17, further comprising:

所述网关设备接收所述切片管理器发送的至少一个切片特征信息，以及每个所述切片特征信息所对应的NF地址信息。The gateway device receives at least one slice feature information sent by the slice manager, and NF address information corresponding to each of the slice feature information.
根据权利要求13所述的方法，其特征在于，若所述目标切片的信息包括所述目标切片中NF的地址信息，所述网关设备根据所述目标切片的信息向所述目标切片中网络功能NF发送业务请求，包括：The method according to claim 13, wherein if the information of the target slice includes address information of the NF in the target slice, the gateway device sends a network function to the target slice according to the information of the target slice. NF sends business requests, including:

所述网关设备根据所述NF的地址信息向所述NF发送业务请求；Sending, by the gateway device, a service request to the NF according to the address information of the NF;

其中，所述目标切片中NF的地址信息为所述第一核心网设备在根据所述目标用户标识获取到所述目标切片的特征信息后，根据所述目标切片的特征信息所获取的。The address information of the NF in the target slice is obtained by the first core network device according to the characteristic information of the target slice after acquiring the characteristic information of the target slice according to the target user identifier.
根据权利要求19所述的方法，其特征在于，所述目标切片中NF的地址信息为所述第一核心网设备在根据所述目标用户标识获取到所述目标切片的特征信息后，根据所述目标切片的特征信息从第三核心网设备所获取的。The method according to claim 19, wherein the address information of the NF in the target slice is that after the first core network device obtains the characteristic information of the target slice according to the target user identifier, according to the The feature information of the target slice is obtained from a third core network device.
根据权利要求19所述的方法，其特征在于，所述目标切片中NF的地址信息为所述第一核心网设备在根据所述目标用户标识获取到所述目标切片的特征信息后，根据所述目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息所确定的。The method according to claim 19, wherein the address information of the NF in the target slice is that after the first core network device obtains the characteristic information of the target slice according to the target user identifier, according to the The feature information of the target slice and the mapping information between the slice feature information and the NF address information are determined.
一种信息传输方法，其特征在于，包括：An information transmission method, comprising:

第一核心网设备从发送设备接收请求消息；其中，所述请求消息中携带目标切片的特征信息；所述请求消息用于指示向所述第一核心网设备请求所述目标切片中的网络功能NF的地址信息；The first core network device receives a request message from a sending device; wherein the request message carries characteristic information of a target slice; the request message is used to instruct the first core network device to request a network function in the target slice. NF address information;

所述第一核心网设备根据所述目标切片的特征信息以及切片特征信息与NF地址信息之间的映射信息，确定所述目标切片中NF的地址信息；Determining, by the first core network device, the address information of the NF in the target slice according to the characteristic information of the target slice and mapping information between the slice characteristic information and the NF address information;

所述第一核心网设备向所述发送设备发送响应消息；其中，所述响应消息中携带所述目标切片中NF的地址信息。The first core network device sends a response message to the sending device; wherein the response message carries the address information of the NF in the target slice.
根据权利要求22所述的方法，其特征在于，所述目标切片的特征信息包括以下至少一项：所述目标切片的标识信息、公共-NF存储库功能NRF的标识信息和专用-NRF的标识信息。The method according to claim 22, wherein the characteristic information of the target slice includes at least one of the following: identification information of the target slice, identification information of a public-NF repository function NRF, and identification of a dedicated-NRF information.
一种核心网设备，其特征在于，所述核心网设备为第一核心网设备，所述第一核心网设备包括：处理器和存储器；A core network device, characterized in that the core network device is a first core network device, and the first core network device includes: a processor and a memory;

其中，所述存储器，用于存储程序指令；The memory is used to store program instructions;

所述处理器，用于调用并执行所述存储器中存储的程序指令，当所述处理器执行所述存储器存储的程序指令时，所述第一核心网设备用于执行如权利要求1至11中任一项所述的方法。The processor is configured to call and execute the program instructions stored in the memory, and when the processor executes the program instructions stored in the memory, the first core network device is configured to execute the instructions according to claims 1 to 11 The method of any one of.
一种网关设备，其特征在于，包括：处理器和存储器；A gateway device, comprising: a processor and a memory;

其中，所述存储器，用于存储程序指令；The memory is used to store program instructions;

所述处理器，用于调用并执行所述存储器中存储的程序指令，当所述处理器执行所述存储器存储的程序指令时，所述网关设备用于执行如权利要求12至21中任一项所述的方法。The processor is configured to call and execute the program instructions stored in the memory, and when the processor executes the program instructions stored in the memory, the gateway device is configured to execute any one of claims 12 to 21 Item.
一种核心网设备，其特征在于，所述核心网设备为第一核心网设备，所述第一核心网设备包括：处理器和存储器；A core network device, characterized in that the core network device is a first core network device, and the first core network device includes: a processor and a memory;

其中，所述存储器，用于存储程序指令；The memory is used to store program instructions;

所述处理器，用于调用并执行所述存储器中存储的程序指令，当所述处理器执行所述存储器存储的程序指令时，所述第一核心网设备用于执行如权利要求22至23中任一项所述的方法。The processor is configured to call and execute the program instructions stored in the memory, and when the processor executes the program instructions stored in the memory, the first core network device is configured to execute the instructions as claimed in claims 22 to 23 The method of any one of.
一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当所述指令在计算机上运行时，使得计算机执行如权利要求1至11中任一项所述的方法。A computer-readable storage medium, characterized in that instructions are stored in the computer-readable storage medium, and when the instructions are run on a computer, the computer is caused to execute the computer program according to any one of claims 1 to 11. method.
一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当所述指令在计算机上运行时，使得计算机执行如权利要求12至21中任一项所述的方法。A computer-readable storage medium, characterized in that instructions are stored in the computer-readable storage medium, and when the instructions are run on a computer, the computer is caused to execute the method according to any one of claims 12 to 21. method.
一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当所述指令在计算机上运行时，使得计算机执行如权利要求22至23中任一项所述的方法。A computer-readable storage medium, characterized in that instructions are stored in the computer-readable storage medium, and when the instructions are run on a computer, the computer is caused to execute the computer program according to any one of claims 22 to 23. method.