WO2024055815A1 - Edge psa management method, and electronic device and computer-readable medium - Google Patents

Edge psa management method, and electronic device and computer-readable medium Download PDF

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Publication number
WO2024055815A1
WO2024055815A1 PCT/CN2023/113999 CN2023113999W WO2024055815A1 WO 2024055815 A1 WO2024055815 A1 WO 2024055815A1 CN 2023113999 W CN2023113999 W CN 2023113999W WO 2024055815 A1 WO2024055815 A1 WO 2024055815A1
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Prior art keywords
edge
protocol data
data unit
session anchor
unit session
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PCT/CN2023/113999
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French (fr)
Chinese (zh)
Inventor
李晓迪
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中兴通讯股份有限公司
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Publication of WO2024055815A1 publication Critical patent/WO2024055815A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10—Dynamic resource partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release

Definitions

  • This application relates to but is not limited to the field of communication technology.
  • FIG. 1 is a schematic diagram of the system architecture of the fifth generation mobile communication technology (5G, 5th Generation Mobile Communication Technology) in a non-roaming scenario in related technologies.
  • the 5G system includes: user equipment (UE, User Equipment), (wireless) access network ((R)AN, (Radio) Access Network), access and mobility management functions (AMF, Access and Mobility Management Function) entity, session management function (SMF, Session Management Function) entity, and uplink classifier (ULCL, UpLink Classifier), PSA1 and PSA2 set in the user plane function (UPF, User Plane Function) entity.
  • PSA1 is the central Protocol Data Unit (PDU, Protocol Data Unit) session anchor (PSA, PDU Session Anchor)
  • PSA2 is the edge PSA.
  • the SMF entity allocates edge PSA (PSA2 in Figure 1) to users based on the offload rules issued by the Policy Control Function (PCF) entity, but the utilization rate of edge PSA is low.
  • edge PSA PSA2 in Figure 1
  • PCF Policy Control Function
  • This application provides a method, electronic device, and computer-readable medium for managing edge PSA.
  • this application provides a method for managing edge protocol data unit session anchor points.
  • Method, applied to a target management function entity the method includes: sending a first message to an edge protocol data unit session anchor corresponding to the user equipment; wherein the first message is used to notify the edge protocol data unit session anchor pair Detect the offloading service of the user equipment on the edge protocol data unit session anchor point; receive a second message reported by the edge protocol data unit session anchor point; wherein the second message is used to indicate to the user
  • the device has no offload service on the edge protocol data unit session anchor point within a preset period of time; interacts with the edge protocol data unit session anchor point to remove the edge protocol data unit session anchor point.
  • this application provides a method for managing an edge protocol data unit session anchor point, which is applied to an edge protocol data unit session anchor point.
  • the method includes: receiving a first message sent by a target management function entity to which the user equipment belongs; wherein , the first message is used to notify the edge protocol data unit session anchor point to detect the offload service of the user equipment on the edge protocol data unit session anchor point; to detect the offload service of the user equipment ; If the offload service of the user equipment is not detected within the preset time period, report a second message to the target management function entity; wherein the second message is used to indicate that the user equipment will There is no offload traffic on the edge protocol data unit session anchor point; interact with the target management function entity to remove the edge protocol data unit session anchor point.
  • the present application provides an electronic device, including: at least one processor; and a memory. At least one program is stored on the memory. When the at least one program is executed by the at least one processor, any of the functions described herein are implemented.
  • the present application provides a computer-readable medium.
  • a computer program is stored on the computer-readable medium.
  • the computer program is executed by a processor, any one of the methods for managing edge PSA resources described herein is implemented.
  • Figure 1 is a schematic diagram of the 5G system architecture in non-roaming scenarios in related technologies
  • Figure 2 is a flow chart of a method for managing edge PSA provided by this application and applied to a target management function entity;
  • Figure 3 is a flow chart of a method for managing edge PSA applied to edge PSA provided by this application;
  • Figure 4 is an interactive schematic diagram of a method for managing edge PSA in a non-roaming scenario provided in Example 1 of this application;
  • Figure 5 is a schematic diagram of the 5G system architecture in the roaming scenario in Example 2 of this application;
  • Figure 6 is an interactive schematic diagram of a method for managing edge PSA in a roaming scenario provided in Example 2 of this application;
  • Figure 7 is a block diagram of a system for managing edge PSA provided by this application.
  • Figure 2 is a flow chart of a method for managing an edge PSA provided by this application and applied to a target management function entity.
  • a method for managing edge PSA is provided, which is applied to a target management function entity.
  • the target management function entity may be an SMF entity or an intermediate session management function (I-SMF, Intermediate Session Management Function) entity, the method may include steps 200 to 202.
  • I-SMF Intermediate Session Management Function
  • Step 200 Send a first message to the edge PSA corresponding to the user equipment (UE, User Equipment); wherein the first message is used to notify the edge PSA to detect the offloading service of the UE on the edge PSA.
  • UE User Equipment
  • the edge PSA corresponding to the UE refers to the PSA that provides offloading services for the UE.
  • PSAs that provide offload services for UEs include central PSA and edge PSA.
  • the central PSA is generally not removed, and the edge PSA can be removed when necessary.
  • the edge PSAs corresponding to the UE include two or more edge PSAs
  • the first message is sent to each edge PSA respectively.
  • the first message is used to notify the edge PSA to periodically detect the UE's offloading service on the edge PSA.
  • the first message is used to notify the edge PSA to perform aperiodic detection of offloading services of the UE on the edge PSA.
  • the first message is used to notify the edge PSA to perform timing detection of the UE's offloaded service on the edge PSA.
  • the first message also includes a preset duration, which is used to instruct the edge PSA to report the second message to the target management function entity when the offload service of the UE is not detected within the preset duration.
  • the first message may be included in an establishment request message sent to the edge PSA.
  • the preset time length may be carried in the idle time (idle time) field of the establishment request message, following the idle time field in the related art. Function.
  • the preset time period can be configured according to needs, such as 30 minutes to 60 minutes.
  • Step 201 Receive a second message reported by the edge PSA; wherein the second message is used to indicate that the UE does not offload services on the edge PSA within a preset time period.
  • any edge PSA may report the second message if it does not detect the offloading service of the UE within a preset period of time.
  • Step 202 interact with the edge PSA to remove the edge PSA.
  • the edge PSA reporting the second message is interacted with to remove the edge PSA reporting the second message.
  • interacting with the edge PSA to remove the edge PSA includes: sending a user plane deletion request to the edge PSA; and receiving a user plane deletion response sent by the edge PSA.
  • removing the edge PSA when the removed edge PSA is the only edge PSA currently owned by the UE, removing the edge PSA further includes: sending a user plane update request to the ULCL corresponding to the UE, and receiving the ULCL corresponding to the UE. User plane update response sent.
  • removing the edge PSA further includes: sending a third message to the UE; wherein the third message is used to notify the UE to delete the offloading rule information.
  • the method before sending the first message to the edge PSA corresponding to the UE, the method further includes: obtaining the offloading rule information corresponding to the UE; wherein the offloading rule information includes the data network access identifier (DNAI, Data Network Access Identifier); determine the edge PSA corresponding to the UE based on the DNAI corresponding to the UE.
  • DNAI Data Network Access Identifier
  • obtaining the offloading rule information corresponding to the UE includes: receiving the offloading rule information corresponding to the UE issued by the PCF entity.
  • the offloading rule information also includes flow description, priority of business rules and other information.
  • the PCF entity delivers the UE
  • other information can also be sent to the SMF entity, such as general rule information, predefined rule information, event subscription information, and some parameter information of bearers and sessions.
  • the PCF entity may include the offloading rule information corresponding to the UE and the above other information in the policy information corresponding to the UE delivered to the SMF entity.
  • the policy corresponding to the UE delivered by the PCF entity to the SMF entity may be any policy, such as the policy for the UE to access the network transfer service.
  • obtaining the offloading rule information corresponding to the UE includes: receiving the offloading rule information corresponding to the UE sent by the SMF entity.
  • determining the edge PSA corresponding to the UE according to the DNAI corresponding to the UE includes: the DNAI supported by the user plane function (UPF, User Plane Function) entity includes the DNAI corresponding to the UE, and the UPF entity is not connected to the base station. In this case, it is determined that the edge PSA corresponding to the UE includes a UPF entity.
  • UPF User Plane Function
  • the method further includes: determining whether to remove the edge PSA; if it is determined to remove the edge PSA, continuing to interact with the edge PSA to move Steps to remove edge PSA.
  • determining to remove the edge PSA includes determining that the first message was previously sent to the edge PSA.
  • the method for managing edge PSA sends a first message to the edge PSA corresponding to the user equipment to notify the edge PSA to detect the offloading service of the user equipment on the edge PSA. Based on the edge PSA within the preset time period, The second message reported without detecting the offloading service of the user equipment interacts with the edge PSA to remove the edge PSA, that is, the unnecessary edge PSA is removed based on the offloading service requirements of the user equipment, which reduces the resources of the edge PSA. waste, improving the utilization of edge PSA.
  • Figure 3 is a flow chart of a method for managing edge PSA provided by this application and applied to edge PSA.
  • a method for managing edge PSA is provided, applied to edge PSA, and the method may include steps 300 to 303.
  • Step 300 Receive the first message sent by the target management function entity to which the UE belongs; wherein the first message is used to notify the edge PSA to detect the offloading service of the UE on the edge PSA.
  • the target management function entity may be an SMF entity or an I-SMF entity.
  • the target management function entity to which the UE belongs refers to the target management function entity that provides services for the UE.
  • the first message is used to notify the edge PSA to periodically detect the UE's offloading service on the edge PSA.
  • the first message is used to notify the edge PSA to perform aperiodic detection of offloading services of the UE on the edge PSA.
  • the first message is used to notify the edge PSA to perform timing detection of the UE's offloaded service on the edge PSA.
  • the first message also includes a preset duration, which is used to instruct the edge PSA to report the second message to the target management function entity when the offload service of the UE is not detected within the preset duration.
  • the first message may be included in an establishment request message sent to the edge PSA.
  • the preset time length may be carried in the idle time (idle time) field of the establishment request message, following the function of the idle time field in the related art.
  • the preset time period can be configured according to needs, such as 30 minutes to 60 minutes.
  • Step 301 Detect the offloading service of the UE.
  • the offloading service of the UE is periodically detected.
  • the offloading service of the UE is Perform aperiodic detection on streaming services.
  • timing detection is performed on the offloading service of the UE.
  • the detection of the offload service of the UE can be implemented by detecting the offload service message of the UE, that is, detecting whether the offload service message of the UE is received.
  • Step 302 If the offloading service of the UE is not detected within the preset time period, report a second message to the target management function entity; wherein the second message is used to indicate that the UE does not have offloading on the edge PSA within the preset time period. business.
  • not detecting the offload service of the UE within the preset time period includes: not detecting the offload service message of the UE within the preset time period.
  • Step 303 Interact with the target management function entity to remove the edge PSA.
  • interacting with the target management function entity to remove the edge PSA includes: receiving a user plane deletion request sent by the target management function entity, deleting the UE information; and sending a user plane deletion response to the target management function entity.
  • This example describes the method of managing edge PSA in a non-roaming scenario.
  • the schematic diagram of the 5G system architecture in a non-roaming scenario is shown in Figure 1.
  • the method includes steps 400 to 415.
  • Step 400 The UE initiates a session establishment request to the SMF entity.
  • the UE initiates a session establishment request to the SMF entity through the (R)AN device and the AMF entity.
  • Step 401 The SMF entity sends a policy information delivery request to the PCF entity.
  • Step 402 The PCF entity delivers the policy information corresponding to the UE to the SMF entity; the policy information includes: offloading rule information, general general rule information, predefined rule information, event subscription information, and some parameter information of bearers and sessions, etc. .
  • the offloading rule information includes: DNAI corresponding to the UE, flow description, priority of the business rules and other information.
  • Step 403 The SMF entity selects the center PSA based on the wildcarded DNAI.
  • the selected center PSA is a UPF entity whose supported DNAI includes the wildcarded DNAI. It selects the edge PSA based on the DNAI corresponding to the UE in the offloading rule information. The selected edge The PSA includes the supported DNAI including the DNAI corresponding to the UE, and there is no UPF entity connected to the base station.
  • the edge PSA is the PSA that can be removed.
  • Step 404 The SMF entity sends a user plane establishment request to the central PSA to establish the central PSA.
  • Step 405 The SMF entity sends a setup request message to the edge PSA; the setup request message includes a first message and a preset duration; the first message is used to notify the edge PSA to periodically detect the offloading service of the UE on the edge PSA.
  • Step 406 Complete the subsequent online process, and the UE completes online.
  • Step 407 The edge PSA periodically detects the offloading service of the UE.
  • Step 408 If the edge PSA does not detect the offloading service of the UE within the preset time period, it reports a second message to the SMF entity; where the second message is used to indicate that the UE does not have the offloading service on the edge PSA within the preset time period.
  • Step 409 The SMF entity determines whether the first message has been sent to the edge PSA before. If it is determined that the first message has been sent to the edge PSA before, step 410 is continued; if it is determined that the first message has not been sent to the edge PSA before. message, end this process.
  • Step 410 The SMF entity sends a user plane deletion request to the edge PSA.
  • Step 411 The edge PSA deletes the UE information and returns a user plane deletion response to the SMF entity.
  • Step 412 The SMF entity sends a user plane update request to the ULCL corresponding to the UE.
  • Step 413 ULCL is updated to an intermediate user plane function (I-UPF, Intermediate User Plane Function) entity and no longer has the uplink classifier function.
  • I-UPF Intermediate User Plane Function
  • Step 414 ULCL returns a user plane update response to the SMF entity.
  • Step 415 The SMF entity sends a third message to the UE; the third message is used to notify the UE to delete the offloading rule information.
  • This example describes the method of managing edge PSA in a roaming scenario.
  • the 5G system architecture in a roaming scenario is shown in Figure 5.
  • the method includes steps 600 to 616.
  • Step 600 The UE initiates a session establishment request to the I-SMF entity.
  • the UE initiates a session establishment request to the I-SMF entity through the (R)AN device and the AMF entity.
  • Step 601 The SMF entity sends a policy information delivery request to the PCF entity.
  • Step 602 The PCF entity delivers the policy information corresponding to the UE to the SMF entity; the policy information includes: offloading rule information, general general rule information, predefined rule information, event subscription information, and some parameter information of bearers and sessions, etc. .
  • the offloading rule information includes: DNAI corresponding to the UE, flow description, priority of the business rules and other information.
  • Step 603 The SMF entity selects a central PSA based on the wildcarded DNAI.
  • the selected central PSA is a UPF entity whose supported DNAI includes the wildcarded DNAI, and sends a user plane establishment request to the central PSA to establish the central PSA.
  • Step 604 The SMF entity sends a fourth message to the I-SMF entity; the fourth message carries offloading rule information.
  • Step 605 The I-SMF selects an edge PSA based on the DNAI corresponding to the UE in the offloading rule information.
  • the selected edge PSA includes the supported DNAI, including the DNAI corresponding to the UE, and has no UPF entity connected to the base station.
  • the edge PSA is the PSA that can be removed.
  • Step 606 The I-SMF entity sends a setup request message to the edge PSA; the setup request message includes a first message and a preset duration; the first message is used to notify the edge PSA to periodically detect the offloading service of the UE on the edge PSA. .
  • Step 607 Complete the subsequent online process, and the UE completes online.
  • Step 608 The edge PSA periodically detects the offloading service of the UE.
  • Step 609 If the edge PSA does not detect the offloading service of the UE within the preset time period, it reports a second message to the I-SMF entity; where the second message is used to indicate that the UE does not offload the edge PSA within the preset time period. business.
  • Step 610 The I-SMF entity determines whether the first message has been sent to the edge PSA before. If it is determined that the first message has been sent to the edge PSA before, step 611 is continued; if it is determined that the first message has not been sent to the edge PSA before, In the case of the first message, this process ends.
  • Step 611 The I-SMF entity sends a user plane deletion request to the edge PSA.
  • Step 612 The edge PSA deletes the UE information and returns a user plane deletion response to the SMF entity.
  • Step 613 The I-SMF entity sends a user plane update request to the ULCL corresponding to the UE.
  • Step 614 ULCL is updated to an intermediate user plane function (I-UPF, Intermediate User Plane Function) entity and no longer has the uplink classifier function.
  • I-UPF Intermediate User Plane Function
  • Step 615 ULCL returns a user plane update response to the I-SMF entity.
  • Step 616 The I-SMF entity sends a third message to the UE; the third message is used to notify the UE to delete the offloading rule information.
  • the present application provides an electronic device, including: at least one processor; and a memory. At least one program is stored on the memory. When at least one program is executed by at least one processor, any one of the above management edge PSA methods is implemented. method.
  • the processor is a device with data processing capabilities, including but not limited to a central processing unit (CPU), etc.
  • the memory is a device with data storage capabilities, including but not limited to random access memory (RAM, more specifically such as SDRAM). , DDR, etc.), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory (FLASH).
  • RAM random access memory
  • ROM read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • FLASH flash memory
  • the processor and the memory are connected to each other through a bus and are further connected to other components of the computing device.
  • the present application provides a computer-readable medium.
  • a computer program is stored on the computer-readable medium.
  • the computer program is executed by a processor, any one of the above methods for managing an edge PSA is implemented.
  • Figure 7 is a block diagram of a system for managing edge PSA provided by this application.
  • this application provides a system for managing edge PSA, including: a target management function entity 701 configured to send a first message to the edge PSA corresponding to the UE; wherein the first message is used to notify the edge PSA of the edge PSA for the UE at the edge.
  • Detect the offloading service of the PSA receive the second message reported by the edge PSA; where the second message is used to indicate that the UE does not have offloading services on the edge PSA within the preset time period; interact with the edge PSA to remove the edge PSA; edge PSA702 , configured to receive the first message sent by the target management function entity to which the UE belongs; wherein the first message is used to notify the edge PSA to detect the offloading service of the UE on the edge PSA; to detect the offloading service of the UE; in the preset If the UE's offload service is not detected within the time period, report the second message to the target management function entity; wherein, the second message is used to indicate that the UE does not have the offload service on the edge PSA within the preset time period; interact with the target management function entity , to remove marginal PSA.
  • the target management function entity 701 is further configured to: obtain the offloading rule information corresponding to the UE; wherein the offloading rule information includes the DNAI corresponding to the UE; and determine the edge PSA corresponding to the UE according to the DNAI corresponding to the UE.
  • the target management function entity 701 is configured to determine the edge PSA corresponding to the UE according to the DNAI corresponding to the UE in the following manner: the DNAI supported by the UPF entity includes the DNAI corresponding to the UE, and the UPF entity is not connected to the base station. In the case of , it is determined that the edge PSA corresponding to the UE includes a UPF entity.
  • the first message further includes a preset duration.
  • the target management function entity 701 is further configured to: determine whether to remove the edge PSA; if it is determined to remove the edge PSA, continue to perform the step of interacting with the edge PSA to remove the edge PSA.
  • the target management function entity 701 is configured to interact with the edge PSA in the following manner to remove the edge PSA: send a user plane deletion request to the edge PSA; receive a user plane deletion response sent by the edge PSA.
  • the edge PSA 702 is configured to interact with the target management function entity in the following manner to remove the edge PSA: receive a user plane deletion request sent by the target management function entity and delete the UE information; send a user plane deletion response to the target management function entity.
  • Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • computer storage media includes volatile and nonvolatile media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. removable, removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, tapes, disk storage or other magnetic storage, or may be used Any other medium that stores the desired information and can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .
  • Example embodiments have been disclosed herein, and although specific terms are employed, they are used and should be interpreted in a general illustrative sense only and not for purpose of limitation. In some instances, it will be apparent to those skilled in the art that features, characteristics and/or elements described in connection with a particular embodiment may be used alone, or may be used in conjunction with other embodiments, unless expressly stated otherwise. Features and/or components used in combination. Accordingly, it will be understood by those skilled in the art that various changes in form and details may be made without departing from the scope of the present application as set forth in the appended claims.

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Abstract

Provided in the present application are an edge protocol data unit session anchor (PSA) management method, and an electronic device and a computer-readable medium. The edge PSA management method, which is applied to a target management function entity, comprises: sending a first message to an edge PSA corresponding to a user equipment, wherein the first message is used for notifying that the edge PSA detects an offloading service of the user equipment on the edge PSA; receiving a second message, which is reported by the edge PSA, wherein the second message is used for indicating that the user equipment has no offloading service on the edge PSA within a preset duration; and interacting with the edge PSA, so as to remove the edge PSA.

Description

管理边缘PSA的方法、电子设备、计算机可读介质Method, electronic device, computer readable medium for managing edge PSA
相关申请的交叉引用Cross-references to related applications
本申请要求2022年9月13日提交给中国专利局的第202211125326.8号专利申请的优先权，其全部内容通过引用合并于此。This application claims priority from Patent Application No. 202211125326.8 submitted to the China Patent Office on September 13, 2022, the entire content of which is incorporated herein by reference.
技术领域Technical field
本申请涉及但不限于通信技术领域。This application relates to but is not limited to the field of communication technology.
背景技术Background technique
图1为相关技术中非漫游场景下的第五代移动通信技术(5G，5th Generation Mobile Communication Technology)***架构示意图。如图1所示，5G***包括：用户设备(UE，User Equipment)、(无线)接入网((R)AN，(Radio)Access Network)、接入和移动性管理功能(AMF，Access and Mobility Management Function)实体、会话管理功能(SMF，Session Management Function)实体，以及设置在用户面功能(UPF，User Plane Function)实体中的上行分类器(ULCL，UpLink Classifier)，PSA1和PSA2。其中，PSA1为中心协议数据单元(PDU，Protocol Data Unit)会话锚点(PSA，PDU Session Anchor)，PSA2为边缘PSA。Figure 1 is a schematic diagram of the system architecture of the fifth generation mobile communication technology (5G, 5th Generation Mobile Communication Technology) in a non-roaming scenario in related technologies. As shown in Figure 1, the 5G system includes: user equipment (UE, User Equipment), (wireless) access network ((R)AN, (Radio) Access Network), access and mobility management functions (AMF, Access and Mobility Management Function) entity, session management function (SMF, Session Management Function) entity, and uplink classifier (ULCL, UpLink Classifier), PSA1 and PSA2 set in the user plane function (UPF, User Plane Function) entity. Among them, PSA1 is the central Protocol Data Unit (PDU, Protocol Data Unit) session anchor (PSA, PDU Session Anchor), and PSA2 is the edge PSA.
SMF实体根据策略控制功能(PCF，Policy Control Function)实体下发的分流规则，为用户分配边缘PSA(如图1中的PSA2)，但边缘PSA的利用率较低。The SMF entity allocates edge PSA (PSA2 in Figure 1) to users based on the offload rules issued by the Policy Control Function (PCF) entity, but the utilization rate of edge PSA is low.
发明内容Contents of the invention
本申请提供一种管理边缘PSA的方法、电子设备、计算机可读介质。This application provides a method, electronic device, and computer-readable medium for managing edge PSA.
第一方面，本申请提供一种管理边缘协议数据单元会话锚点的 方法，应用于目标管理功能实体，该方法包括：向用户设备对应的边缘协议数据单元会话锚点发送第一消息；其中，所述第一消息用于通知所述边缘协议数据单元会话锚点对所述用户设备在所述边缘协议数据单元会话锚点上的分流业务进行检测；接收所述边缘协议数据单元会话锚点上报的第二消息；其中，所述第二消息用于指示所述用户设备在预设时长内在所述边缘协议数据单元会话锚点上没有分流业务；与所述边缘协议数据单元会话锚点交互，以移除所述边缘协议数据单元会话锚点。In the first aspect, this application provides a method for managing edge protocol data unit session anchor points. Method, applied to a target management function entity, the method includes: sending a first message to an edge protocol data unit session anchor corresponding to the user equipment; wherein the first message is used to notify the edge protocol data unit session anchor pair Detect the offloading service of the user equipment on the edge protocol data unit session anchor point; receive a second message reported by the edge protocol data unit session anchor point; wherein the second message is used to indicate to the user The device has no offload service on the edge protocol data unit session anchor point within a preset period of time; interacts with the edge protocol data unit session anchor point to remove the edge protocol data unit session anchor point.
第二方面，本申请提供一种管理边缘协议数据单元会话锚点的方法，应用于边缘协议数据单元会话锚点，该方法包括：接收用户设备所属的目标管理功能实体发送的第一消息；其中，所述第一消息用于通知所述边缘协议数据单元会话锚点对所述用户设备在所述边缘协议数据单元会话锚点上的分流业务进行检测；对所述用户设备的分流业务进行检测；在预设时长内没有检测到所述用户设备的分流业务的情况下，向所述目标管理功能实体上报第二消息；其中，所述第二消息用于指示所述用户设备在预设时长内在所述边缘协议数据单元会话锚点上没有分流业务；与所述目标管理功能实体交互，以移除所述边缘协议数据单元会话锚点。In a second aspect, this application provides a method for managing an edge protocol data unit session anchor point, which is applied to an edge protocol data unit session anchor point. The method includes: receiving a first message sent by a target management function entity to which the user equipment belongs; wherein , the first message is used to notify the edge protocol data unit session anchor point to detect the offload service of the user equipment on the edge protocol data unit session anchor point; to detect the offload service of the user equipment ; If the offload service of the user equipment is not detected within the preset time period, report a second message to the target management function entity; wherein the second message is used to indicate that the user equipment will There is no offload traffic on the edge protocol data unit session anchor point; interact with the target management function entity to remove the edge protocol data unit session anchor point.
第三方面，本申请提供一种电子设备，包括：至少一个处理器；存储器，存储器上存储有至少一个程序，当所述至少一个程序被所述至少一个处理器执行时，实现本文所述任意一种管理边缘PSA的方法。In a third aspect, the present application provides an electronic device, including: at least one processor; and a memory. At least one program is stored on the memory. When the at least one program is executed by the at least one processor, any of the functions described herein are implemented. A method for managing edge PSAs.
第四方面，本申请提供一种计算机可读介质，计算机可读介质上存储有计算机程序，所述计算机程序被处理器执行时实现本文所述任意一种管理边缘PSA资源的方法。In the fourth aspect, the present application provides a computer-readable medium. A computer program is stored on the computer-readable medium. When the computer program is executed by a processor, any one of the methods for managing edge PSA resources described herein is implemented.
附图说明Description of drawings
图1为相关技术中非漫游场景下的5G***架构示意图；Figure 1 is a schematic diagram of the 5G system architecture in non-roaming scenarios in related technologies;
图2为本申请提供的应用于目标管理功能实体的管理边缘PSA的方法的流程图； Figure 2 is a flow chart of a method for managing edge PSA provided by this application and applied to a target management function entity;
图3为本申请提供的应用于边缘PSA的管理边缘PSA的方法的流程图；Figure 3 is a flow chart of a method for managing edge PSA applied to edge PSA provided by this application;
图4为本申请的示例1提供的非漫游场景下的管理边缘PSA的方法的交互示意图；Figure 4 is an interactive schematic diagram of a method for managing edge PSA in a non-roaming scenario provided in Example 1 of this application;
图5为本申请的示例2中漫游场景下的5G***架构示意图；Figure 5 is a schematic diagram of the 5G system architecture in the roaming scenario in Example 2 of this application;
图6为本申请的示例2提供的漫游场景下的管理边缘PSA的方法的交互示意图；Figure 6 is an interactive schematic diagram of a method for managing edge PSA in a roaming scenario provided in Example 2 of this application;
图7为本申请提供的管理边缘PSA的***的组成框图。Figure 7 is a block diagram of a system for managing edge PSA provided by this application.
具体实施方式Detailed ways
为使本领域的技术人员更好地理解本申请的技术方案，下面结合附图对本申请提供的管理边缘PSA的方法、电子设备、计算机可读介质进行详细描述。In order to enable those skilled in the art to better understand the technical solutions of the present application, the method, electronic device, and computer-readable medium for managing edge PSA provided by the present application will be described in detail below in conjunction with the accompanying drawings.
在下文中将参考附图更充分地描述示例实施方式，但是所述示例实施方式可以以不同形式来体现且不应当被解释为限于本文阐述的实施方式。反之，提供这些实施方式的目的在于使本申请透彻和完整，并将使本领域技术人员充分理解本申请的范围。Example embodiments will be described more fully below with reference to the accompanying drawings, which may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully enable those skilled in the art to fully understand the scope of the disclosure.
在不冲突的情况下，本申请各实施方式及实施方式中的各特征可相互组合。If there is no conflict, each embodiment of the present application and each feature in the embodiment can be combined with each other.
如本文所使用的，术语“和/或”包括至少一个相关列举条目的任何和所有组合。As used herein, the term "and/or" includes any and all combinations of at least one associated listed item.
本文所使用的术语仅用于描述特定实施方式，且不意欲限制本申请。如本文所使用的，单数形式“一个”和“该”也意欲包括复数形式，除非上下文另外清楚指出。还将理解的是，当本说明书中使用术语“包括”和/或“由……制成”时，指定存在所述特征、整体、步骤、操作、元件和/或组件，但不排除存在或添加至少一个其它特征、整体、步骤、操作、元件、组件和/或其群组。The terminology used herein is used to describe particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that when the terms "comprising" and/or "made of" are used in this specification, the presence of stated features, integers, steps, operations, elements and/or components is specified but does not exclude the presence or Add at least one other feature, integer, step, operation, element, component and/or group thereof.
除非另外限定，否则本文所用的所有术语(包括技术和科学术语)的含义与本领域普通技术人员通常理解的含义相同。还将理解，诸如那些在常用字典中限定的那些术语应当被解释为具有与其在相关技 术以及本申请的背景下的含义一致的含义，且将不解释为具有理想化或过度形式上的含义，除非本文明确如此限定。Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. It will also be understood that terms such as those defined in commonly used dictionaries should be construed as having the same meaning as in the relevant technical have meanings consistent with those within the art and context of this application and are not to be construed as having an idealized or excessive formal meaning unless expressly so limited herein.
图2为本申请提供的应用于目标管理功能实体的管理边缘PSA的方法的流程图。Figure 2 is a flow chart of a method for managing an edge PSA provided by this application and applied to a target management function entity.
第一方面，参照图2，在本申请一个实施方式中，提供一种管理边缘PSA的方法，应用于目标管理功能实体，目标管理功能实体可以是SMF实体或中间会话管理功能(I-SMF，Intermediate Session Management Function)实体，该方法可以包括步骤200至202。In the first aspect, referring to Figure 2, in one embodiment of the present application, a method for managing edge PSA is provided, which is applied to a target management function entity. The target management function entity may be an SMF entity or an intermediate session management function (I-SMF, Intermediate Session Management Function) entity, the method may include steps 200 to 202.
步骤200，向用户设备(UE，User Equipment)对应的边缘PSA发送第一消息；其中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行检测。Step 200: Send a first message to the edge PSA corresponding to the user equipment (UE, User Equipment); wherein the first message is used to notify the edge PSA to detect the offloading service of the UE on the edge PSA.
在一些示例性实施方式中，UE对应的边缘PSA是指为UE提供分流服务的PSA。一般情况下，为UE提供分流服务的PSA包括中心PSA和边缘PSA，中心PSA一般情况下不进行移除，边缘PSA在必要时可以进行移除。In some exemplary embodiments, the edge PSA corresponding to the UE refers to the PSA that provides offloading services for the UE. Generally, PSAs that provide offload services for UEs include central PSA and edge PSA. The central PSA is generally not removed, and the edge PSA can be removed when necessary.
在一些示例性实施方式中，在UE对应的边缘PSA包括两个或两个以上的情况下，分别向每一个边缘PSA发送第一消息。In some exemplary embodiments, when the edge PSAs corresponding to the UE include two or more edge PSAs, the first message is sent to each edge PSA respectively.
在一些示例性实施方式中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行周期性检测。In some exemplary embodiments, the first message is used to notify the edge PSA to periodically detect the UE's offloading service on the edge PSA.
在一些示例性实施方式中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行非周期性检测。In some exemplary embodiments, the first message is used to notify the edge PSA to perform aperiodic detection of offloading services of the UE on the edge PSA.
在一些示例性实施方式中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行定时检测。In some exemplary embodiments, the first message is used to notify the edge PSA to perform timing detection of the UE's offloaded service on the edge PSA.
在一些示例性实施方式中，第一消息还包括预设时长，该预设时长用于指示边缘PSA在预设时长内没有检测到UE的分流业务时向目标管理功能实体上报第二消息。In some exemplary embodiments, the first message also includes a preset duration, which is used to instruct the edge PSA to report the second message to the target management function entity when the offload service of the UE is not detected within the preset duration.
在一些示例性实施方式中，第一消息可以包含在向边缘PSA发送的建立请求消息中。In some example embodiments, the first message may be included in an establishment request message sent to the edge PSA.
在一些示例性实施方式中，预设时长可以携带在建立请求消息的空闲时间(idle time)字段中，沿用相关技术中的idle time字段的 功能。In some exemplary embodiments, the preset time length may be carried in the idle time (idle time) field of the establishment request message, following the idle time field in the related art. Function.
在一些示例性实施方式中，预设时长可以根据需求进行配置，如配置为30分钟到60分钟。In some exemplary embodiments, the preset time period can be configured according to needs, such as 30 minutes to 60 minutes.
步骤201，接收边缘PSA上报的第二消息；其中，第二消息用于指示UE在预设时长内在边缘PSA上没有分流业务。Step 201: Receive a second message reported by the edge PSA; wherein the second message is used to indicate that the UE does not offload services on the edge PSA within a preset time period.
在一些示例性实施方式中，在UE对应的边缘PSA为两个或两个以上的情况下，任意一个边缘PSA在预设时长内没有检测到UE的分流业务时，均可以上报第二消息。In some exemplary embodiments, when there are two or more edge PSAs corresponding to the UE, any edge PSA may report the second message if it does not detect the offloading service of the UE within a preset period of time.
步骤202，与边缘PSA交互，以移除边缘PSA。Step 202, interact with the edge PSA to remove the edge PSA.
在一些示例性实施方式中，与上报第二消息的边缘PSA交互，以移除上报第二消息的边缘PSA。In some exemplary embodiments, the edge PSA reporting the second message is interacted with to remove the edge PSA reporting the second message.
在一些示例性实施方式中，与边缘PSA交互，以移除边缘PSA包括：向边缘PSA发送用户面删除请求；接收边缘PSA发送的用户面删除响应。In some exemplary embodiments, interacting with the edge PSA to remove the edge PSA includes: sending a user plane deletion request to the edge PSA; and receiving a user plane deletion response sent by the edge PSA.
在一些示例性实施方式中，在移除的边缘PSA为UE目前仅有的一个边缘PSA的情况下，移除边缘PSA还包括：向UE对应的ULCL发送用户面更新请求，接收UE对应的ULCL发送的用户面更新响应。In some exemplary embodiments, when the removed edge PSA is the only edge PSA currently owned by the UE, removing the edge PSA further includes: sending a user plane update request to the ULCL corresponding to the UE, and receiving the ULCL corresponding to the UE. User plane update response sent.
在一些示例性实施方式中，移除边缘PSA还包括：向UE发送第三消息；其中，第三消息用于通知UE删除分流规则信息。In some exemplary embodiments, removing the edge PSA further includes: sending a third message to the UE; wherein the third message is used to notify the UE to delete the offloading rule information.
在一些示例性实施方式中，向UE对应的边缘PSA发送第一消息之前，该方法还包括：获取UE对应的分流规则信息；其中，分流规则信息包括UE对应的数据网络接入标识(DNAI，Data Network Access Identifier)；根据UE对应的DNAI确定UE对应的边缘PSA。In some exemplary embodiments, before sending the first message to the edge PSA corresponding to the UE, the method further includes: obtaining the offloading rule information corresponding to the UE; wherein the offloading rule information includes the data network access identifier (DNAI, Data Network Access Identifier); determine the edge PSA corresponding to the UE based on the DNAI corresponding to the UE.
在一些示例性实施方式中，目标管理功能实体为SMF实体时，获取UE对应的分流规则信息包括：接收PCF实体下发的UE对应的分流规则信息。In some exemplary embodiments, when the target management function entity is an SMF entity, obtaining the offloading rule information corresponding to the UE includes: receiving the offloading rule information corresponding to the UE issued by the PCF entity.
在一些示例性实施方式中，分流规则信息还包括流描述、业务规则的优先级等信息。In some exemplary embodiments, the offloading rule information also includes flow description, priority of business rules and other information.
在一些示例性实施方式中，PCF实体除了向SMF实体下发UE 对应的分流规则信息之外，还可以向SMF实体发送其他信息，如通用规则信息、预定义规则信息、事件订阅信息，以及承载、会话的一些参数信息等。In some exemplary embodiments, the PCF entity delivers the UE In addition to the corresponding offloading rule information, other information can also be sent to the SMF entity, such as general rule information, predefined rule information, event subscription information, and some parameter information of bearers and sessions.
在一些示例性实施方式中，PCF实体可以在向SMF实体下发的UE对应的策略信息中包含UE对应的分流规则信息，以及上述其他信息。In some exemplary embodiments, the PCF entity may include the offloading rule information corresponding to the UE and the above other information in the policy information corresponding to the UE delivered to the SMF entity.
在一些示例性实施方式中，PCF实体向SMF实体下发的UE对应的策略可以是任意策略，如UE访问转网业务的策略。In some exemplary implementations, the policy corresponding to the UE delivered by the PCF entity to the SMF entity may be any policy, such as the policy for the UE to access the network transfer service.
在一些示例性实施方式中，目标管理功能实体为I-SMF实体时，获取UE对应的分流规则信息包括：接收SMF实体发送的UE对应的分流规则信息。In some exemplary embodiments, when the target management function entity is an I-SMF entity, obtaining the offloading rule information corresponding to the UE includes: receiving the offloading rule information corresponding to the UE sent by the SMF entity.
在一些示例性实施方式中，根据UE对应的DNAI确定UE对应的边缘PSA包括：在用户面功能(UPF，User Plane Function)实体支持的DNAI包括UE对应的DNAI，且UPF实体没有和基站连接的情况下，确定UE对应的边缘PSA包括UPF实体。In some exemplary embodiments, determining the edge PSA corresponding to the UE according to the DNAI corresponding to the UE includes: the DNAI supported by the user plane function (UPF, User Plane Function) entity includes the DNAI corresponding to the UE, and the UPF entity is not connected to the base station. In this case, it is determined that the edge PSA corresponding to the UE includes a UPF entity.
在一些示例性实施方式中，接收边缘PSA上报的第二消息后，该方法还包括：判断是否移除边缘PSA；在判断出移除边缘PSA的情况下，继续执行与边缘PSA交互，以移除边缘PSA的步骤。In some exemplary embodiments, after receiving the second message reported by the edge PSA, the method further includes: determining whether to remove the edge PSA; if it is determined to remove the edge PSA, continuing to interact with the edge PSA to move Steps to remove edge PSA.
在一些示例性实施方式中，判断出移除边缘PSA包括：判断出之前向边缘PSA发送过第一消息。In some example embodiments, determining to remove the edge PSA includes determining that the first message was previously sent to the edge PSA.
本申请实施方式提供的管理边缘PSA的方法，通过向用户设备对应的边缘PSA发送第一消息，以通知边缘PSA对用户设备在边缘PSA上的分流业务进行检测，基于边缘PSA在预设时长内没有检测到用户设备的分流业务的情况下上报的第二消息与边缘PSA交互，以移除边缘PSA，即基于用户设备的分流业务需求来移除不需要的边缘PSA，减少了边缘PSA的资源浪费，提高了边缘PSA的利用率。The method for managing edge PSA provided by the embodiment of the present application sends a first message to the edge PSA corresponding to the user equipment to notify the edge PSA to detect the offloading service of the user equipment on the edge PSA. Based on the edge PSA within the preset time period, The second message reported without detecting the offloading service of the user equipment interacts with the edge PSA to remove the edge PSA, that is, the unnecessary edge PSA is removed based on the offloading service requirements of the user equipment, which reduces the resources of the edge PSA. waste, improving the utilization of edge PSA.
图3为本申请提供的应用于边缘PSA的管理边缘PSA的方法的流程图。Figure 3 is a flow chart of a method for managing edge PSA provided by this application and applied to edge PSA.
第二方面，参照图3，在本申请另一个实施方式中，提供一种管理边缘PSA的方法，应用于边缘PSA，该方法可以包括步骤300至 303。In the second aspect, referring to Figure 3, in another embodiment of the present application, a method for managing edge PSA is provided, applied to edge PSA, and the method may include steps 300 to 303.
步骤300，接收UE所属的目标管理功能实体发送的第一消息；其中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行检测。Step 300: Receive the first message sent by the target management function entity to which the UE belongs; wherein the first message is used to notify the edge PSA to detect the offloading service of the UE on the edge PSA.
在一些示例性实施方式中，目标管理功能实体可以是SMF实体或I-SMF实体。In some exemplary embodiments, the target management function entity may be an SMF entity or an I-SMF entity.
在一些示例性实施方式中，UE所属的目标管理功能实体是指为UE提供服务的目标管理功能实体。In some exemplary implementations, the target management function entity to which the UE belongs refers to the target management function entity that provides services for the UE.
在一些示例性实施方式中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行周期性检测。In some exemplary embodiments, the first message is used to notify the edge PSA to periodically detect the UE's offloading service on the edge PSA.
在一些示例性实施方式中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行非周期性检测。In some exemplary embodiments, the first message is used to notify the edge PSA to perform aperiodic detection of offloading services of the UE on the edge PSA.
在一些示例性实施方式中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行定时检测。In some exemplary embodiments, the first message is used to notify the edge PSA to perform timing detection of the UE's offloaded service on the edge PSA.
在一些示例性实施方式中，第一消息还包括预设时长，该预设时长用于指示边缘PSA在预设时长内没有检测到UE的分流业务时向目标管理功能实体上报第二消息。In some exemplary embodiments, the first message also includes a preset duration, which is used to instruct the edge PSA to report the second message to the target management function entity when the offload service of the UE is not detected within the preset duration.
在一些示例性实施方式中，第一消息可以包含在向边缘PSA发送的建立请求消息中。In some example embodiments, the first message may be included in an establishment request message sent to the edge PSA.
在一些示例性实施方式中，预设时长可以携带在建立请求消息的空闲时间(idle time)字段中，沿用相关技术中的idle time字段的功能。In some exemplary implementations, the preset time length may be carried in the idle time (idle time) field of the establishment request message, following the function of the idle time field in the related art.
在一些示例性实施方式中，预设时长可以根据需求进行配置，如配置为30分钟到60分钟。In some exemplary embodiments, the preset time period can be configured according to needs, such as 30 minutes to 60 minutes.
步骤301，对UE的分流业务进行检测。Step 301: Detect the offloading service of the UE.
在一些示例性实施方式中，在第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行周期性检测的情况下，对UE的分流业务进行周期性检测。In some exemplary embodiments, in the case where the first message is used to notify the edge PSA to periodically detect the offloading service of the UE on the edge PSA, the offloading service of the UE is periodically detected.
在一些示例性实施方式中，在第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行非周期性检测的情况下，对UE的分 流业务进行非周期性检测。In some exemplary embodiments, in the case where the first message is used to notify the edge PSA to perform aperiodic detection of the UE's offloading service on the edge PSA, the offloading service of the UE is Perform aperiodic detection on streaming services.
在一些示例性实施方式中，在第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行定时检测的情况下，对UE的分流业务进行定时检测。In some exemplary embodiments, in the case where the first message is used to notify the edge PSA to perform timing detection of the offloading service of the UE on the edge PSA, timing detection is performed on the offloading service of the UE.
在一些示例性实施方式中，可以通过对UE的分流业务报文进行检测来实现对UE的分流业务进行检测，也就是检测是否接收到UE的分流业务报文。In some exemplary embodiments, the detection of the offload service of the UE can be implemented by detecting the offload service message of the UE, that is, detecting whether the offload service message of the UE is received.
步骤302，在预设时长内没有检测到UE的分流业务的情况下，向所述目标管理功能实体上报第二消息；其中，第二消息用于指示UE在预设时长内在边缘PSA上没有分流业务。Step 302: If the offloading service of the UE is not detected within the preset time period, report a second message to the target management function entity; wherein the second message is used to indicate that the UE does not have offloading on the edge PSA within the preset time period. business.
在一些示例性实施方式中，在预设时长内没有检测到UE的分流业务包括：在预设时长内没有检测到UE的分流业务报文。In some exemplary embodiments, not detecting the offload service of the UE within the preset time period includes: not detecting the offload service message of the UE within the preset time period.
步骤303，与目标管理功能实体交互，以移除边缘PSA。Step 303: Interact with the target management function entity to remove the edge PSA.
在一些示例性实施方式中，与目标管理功能实体交互，以移除边缘PSA包括：接收目标管理功能实体发送的用户面删除请求，删除UE的信息；向目标管理功能实体发送用户面删除响应。In some exemplary embodiments, interacting with the target management function entity to remove the edge PSA includes: receiving a user plane deletion request sent by the target management function entity, deleting the UE information; and sending a user plane deletion response to the target management function entity.
为了更完整的呈现本申请实施方式中对边缘PSA的管理过程，下面列举两个示例进行详细说明，所列举示例不用于限定本申请实施方式的保护范围。In order to more completely present the management process of the edge PSA in the embodiment of the present application, two examples are listed below for detailed description. The examples are not used to limit the protection scope of the embodiment of the present application.
示例1Example 1
本示例描述非漫游场景下的管理边缘PSA的方法，非漫游场景下的5G***架构示意图如图1所示。This example describes the method of managing edge PSA in a non-roaming scenario. The schematic diagram of the 5G system architecture in a non-roaming scenario is shown in Figure 1.
如图4所示，该方法包括步骤400至415。As shown in Figure 4, the method includes steps 400 to 415.
步骤400，UE向SMF实体发起会话建立请求。Step 400: The UE initiates a session establishment request to the SMF entity.
在本示例中，UE通过(R)AN设备、AMF实体向SMF实体发起会话建立请求。In this example, the UE initiates a session establishment request to the SMF entity through the (R)AN device and the AMF entity.
步骤401，SMF实体向PCF实体发送策略信息下发请求。Step 401: The SMF entity sends a policy information delivery request to the PCF entity.
步骤402，PCF实体向SMF实体下发UE对应的策略信息；其中，策略信息包括：分流规则信息、一般的通用规则信息、预定义规则信息、事件订阅信息，以及承载、会话的一些参数信息等。 Step 402: The PCF entity delivers the policy information corresponding to the UE to the SMF entity; the policy information includes: offloading rule information, general general rule information, predefined rule information, event subscription information, and some parameter information of bearers and sessions, etc. .
本示例中，分流规则信息包括：UE对应的DNAI、流描述、业务规则的优先级等信息。In this example, the offloading rule information includes: DNAI corresponding to the UE, flow description, priority of the business rules and other information.
步骤403，SMF实体根据通配的DNAI选择中心PSA，所选择的中心PSA为支持的DNAI包括通配的DNAI的UPF实体，根据分流规则信息中的UE对应的DNAI选择边缘PSA，所选择的边缘PSA包括支持的DNAI包括UE对应的DNAI，且没有和基站连接的UPF实体。Step 403: The SMF entity selects the center PSA based on the wildcarded DNAI. The selected center PSA is a UPF entity whose supported DNAI includes the wildcarded DNAI. It selects the edge PSA based on the DNAI corresponding to the UE in the offloading rule information. The selected edge The PSA includes the supported DNAI including the DNAI corresponding to the UE, and there is no UPF entity connected to the base station.
本示例中，边缘PSA即为可以移除的PSA。In this example, the edge PSA is the PSA that can be removed.
本示例中，假设为UE分配的边缘PSA的数量为1。In this example, it is assumed that the number of edge PSAs allocated to the UE is 1.
步骤404，SMF实体向中心PSA发送用户面建立请求，以建立中心PSA。Step 404: The SMF entity sends a user plane establishment request to the central PSA to establish the central PSA.
步骤405，SMF实体向边缘PSA发送建立请求消息；其中，建立请求消息包括第一消息和预设时长；第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行周期性检测。Step 405: The SMF entity sends a setup request message to the edge PSA; the setup request message includes a first message and a preset duration; the first message is used to notify the edge PSA to periodically detect the offloading service of the UE on the edge PSA.
步骤406，完成后续上线流程，UE完成上线。Step 406: Complete the subsequent online process, and the UE completes online.
步骤407，边缘PSA对UE的分流业务进行周期性检测。Step 407: The edge PSA periodically detects the offloading service of the UE.
步骤408，边缘PSA在预设时长内没有检测到UE的分流业务的情况下，向SMF实体上报第二消息；其中，第二消息用于指示UE在预设时长内在边缘PSA上没有分流业务。Step 408: If the edge PSA does not detect the offloading service of the UE within the preset time period, it reports a second message to the SMF entity; where the second message is used to indicate that the UE does not have the offloading service on the edge PSA within the preset time period.
步骤409，SMF实体判断之前是否向边缘PSA发送过第一消息，在判断出之前向边缘PSA发送过第一消息的情况下，继续执行步骤410；在判断出之前没有向边缘PSA发送过第一消息的情况下，结束本流程。Step 409: The SMF entity determines whether the first message has been sent to the edge PSA before. If it is determined that the first message has been sent to the edge PSA before, step 410 is continued; if it is determined that the first message has not been sent to the edge PSA before. message, end this process.
步骤410，SMF实体向边缘PSA发送用户面删除请求。Step 410: The SMF entity sends a user plane deletion request to the edge PSA.
步骤411，边缘PSA删除UE的信息，向SMF实体返回用户面删除响应。Step 411: The edge PSA deletes the UE information and returns a user plane deletion response to the SMF entity.
步骤412，SMF实体向UE对应的ULCL发送用户面更新请求。Step 412: The SMF entity sends a user plane update request to the ULCL corresponding to the UE.
步骤413，ULCL更新为中间用户面功能(I-UPF，Intermediate User Plane Function)实体，不再具备上行分类器功能。Step 413, ULCL is updated to an intermediate user plane function (I-UPF, Intermediate User Plane Function) entity and no longer has the uplink classifier function.
步骤414，ULCL向SMF实体返回用户面更新响应。 Step 414: ULCL returns a user plane update response to the SMF entity.
步骤415，SMF实体向UE发送第三消息；其中，第三消息用于通知UE删除分流规则信息。Step 415: The SMF entity sends a third message to the UE; the third message is used to notify the UE to delete the offloading rule information.
示例2Example 2
本示例描述漫游场景下的管理边缘PSA的方法，漫游场景下的5G***架构示意如图5所示。This example describes the method of managing edge PSA in a roaming scenario. The 5G system architecture in a roaming scenario is shown in Figure 5.
如图6所示，该方法包括步骤600至616。As shown in Figure 6, the method includes steps 600 to 616.
步骤600，UE向I-SMF实体发起会话建立请求。Step 600: The UE initiates a session establishment request to the I-SMF entity.
在本示例中，UE通过(R)AN设备、AMF实体向I-SMF实体发起会话建立请求。In this example, the UE initiates a session establishment request to the I-SMF entity through the (R)AN device and the AMF entity.
步骤601，SMF实体向PCF实体发送策略信息下发请求。Step 601: The SMF entity sends a policy information delivery request to the PCF entity.
步骤602，PCF实体向SMF实体下发UE对应的策略信息；其中，策略信息包括：分流规则信息、一般的通用规则信息、预定义规则信息、事件订阅信息，以及承载、会话的一些参数信息等。Step 602: The PCF entity delivers the policy information corresponding to the UE to the SMF entity; the policy information includes: offloading rule information, general general rule information, predefined rule information, event subscription information, and some parameter information of bearers and sessions, etc. .
本示例中，分流规则信息包括：UE对应的DNAI、流描述、业务规则的优先级等信息。In this example, the offloading rule information includes: DNAI corresponding to the UE, flow description, priority of the business rules and other information.
步骤603，SMF实体根据通配的DNAI选择中心PSA，所选择的中心PSA为支持的DNAI包括通配的DNAI的UPF实体，向中心PSA发送用户面建立请求，以建立中心PSA。Step 603: The SMF entity selects a central PSA based on the wildcarded DNAI. The selected central PSA is a UPF entity whose supported DNAI includes the wildcarded DNAI, and sends a user plane establishment request to the central PSA to establish the central PSA.
步骤604，SMF实体向I-SMF实体发送第四消息；其中，第四消息携带分流规则信息。Step 604: The SMF entity sends a fourth message to the I-SMF entity; the fourth message carries offloading rule information.
步骤605，I-SMF根据分流规则信息中的UE对应的DNAI选择边缘PSA，所选择的边缘PSA包括支持的DNAI包括UE对应的DNAI，且没有和基站连接的UPF实体。Step 605: The I-SMF selects an edge PSA based on the DNAI corresponding to the UE in the offloading rule information. The selected edge PSA includes the supported DNAI, including the DNAI corresponding to the UE, and has no UPF entity connected to the base station.
本示例中，边缘PSA即为可以移除的PSA。In this example, the edge PSA is the PSA that can be removed.
本示例中，假设为UE分配的边缘PSA的数量为1。In this example, it is assumed that the number of edge PSAs allocated to the UE is 1.
步骤606，I-SMF实体向边缘PSA发送建立请求消息；其中，建立请求消息包括第一消息和预设时长；第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行周期性检测。Step 606: The I-SMF entity sends a setup request message to the edge PSA; the setup request message includes a first message and a preset duration; the first message is used to notify the edge PSA to periodically detect the offloading service of the UE on the edge PSA. .
步骤607，完成后续上线流程，UE完成上线。Step 607: Complete the subsequent online process, and the UE completes online.
步骤608，边缘PSA对UE的分流业务进行周期性检测。 Step 608: The edge PSA periodically detects the offloading service of the UE.
步骤609，边缘PSA在预设时长内没有检测到UE的分流业务的情况下，向I-SMF实体上报第二消息；其中，第二消息用于指示UE在预设时长内在边缘PSA上没有分流业务。Step 609: If the edge PSA does not detect the offloading service of the UE within the preset time period, it reports a second message to the I-SMF entity; where the second message is used to indicate that the UE does not offload the edge PSA within the preset time period. business.
步骤610，I-SMF实体判断之前是否向边缘PSA发送过第一消息，在判断出之前向边缘PSA发送过第一消息的情况下，继续执行步骤611；在判断出之前没有向边缘PSA发送过第一消息的情况下，结束本流程。Step 610: The I-SMF entity determines whether the first message has been sent to the edge PSA before. If it is determined that the first message has been sent to the edge PSA before, step 611 is continued; if it is determined that the first message has not been sent to the edge PSA before, In the case of the first message, this process ends.
步骤611，I-SMF实体向边缘PSA发送用户面删除请求。Step 611: The I-SMF entity sends a user plane deletion request to the edge PSA.
步骤612，边缘PSA删除UE的信息，向SMF实体返回用户面删除响应。Step 612: The edge PSA deletes the UE information and returns a user plane deletion response to the SMF entity.
步骤613，I-SMF实体向UE对应的ULCL发送用户面更新请求。Step 613: The I-SMF entity sends a user plane update request to the ULCL corresponding to the UE.
步骤614，ULCL更新为中间用户面功能(I-UPF，Intermediate User Plane Function)实体，不再具备上行分类器功能。Step 614, ULCL is updated to an intermediate user plane function (I-UPF, Intermediate User Plane Function) entity and no longer has the uplink classifier function.
步骤615，ULCL向I-SMF实体返回用户面更新响应。Step 615: ULCL returns a user plane update response to the I-SMF entity.
步骤616，I-SMF实体向UE发送第三消息；其中，第三消息用于通知UE删除分流规则信息。Step 616: The I-SMF entity sends a third message to the UE; the third message is used to notify the UE to delete the offloading rule information.
第三方面，本申请提供一种电子设备，包括：至少一个处理器；存储器，存储器上存储有至少一个程序，当至少一个程序被至少一个处理器执行时，实现上述任意一种管理边缘PSA的方法。In a third aspect, the present application provides an electronic device, including: at least one processor; and a memory. At least one program is stored on the memory. When at least one program is executed by at least one processor, any one of the above management edge PSA methods is implemented. method.
其中，处理器为具有数据处理能力的器件，其包括但不限于中央处理器(CPU)等；存储器为具有数据存储能力的器件，其包括但不限于随机存取存储器(RAM，更具体如SDRAM、DDR等)、只读存储器(ROM)、带电可擦可编程只读存储器(EEPROM)、闪存(FLASH)。Among them, the processor is a device with data processing capabilities, including but not limited to a central processing unit (CPU), etc.; the memory is a device with data storage capabilities, including but not limited to random access memory (RAM, more specifically such as SDRAM). , DDR, etc.), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory (FLASH).
在一些实施方式中，处理器、存储器通过总线相互连接，进而与计算设备的其它组件连接。In some embodiments, the processor and the memory are connected to each other through a bus and are further connected to other components of the computing device.
第四方面，本申请提供一种计算机可读介质，计算机可读介质上存储有计算机程序，所述计算机程序被处理器执行时实现上述任意一种管理边缘PSA的方法。In a fourth aspect, the present application provides a computer-readable medium. A computer program is stored on the computer-readable medium. When the computer program is executed by a processor, any one of the above methods for managing an edge PSA is implemented.
图7为本申请提供的管理边缘PSA的***的组成框图。 Figure 7 is a block diagram of a system for managing edge PSA provided by this application.
第五方面，本申请提供一种管理边缘PSA的***，包括：目标管理功能实体701，配置为向UE对应的边缘PSA发送第一消息；其中，第一消息用于通知边缘PSA对UE在边缘PSA的分流业务进行检测；接收边缘PSA上报的第二消息；其中，第二消息用于指示UE在预设时长内在边缘PSA上没有分流业务；与边缘PSA交互，以移除边缘PSA；边缘PSA702，配置为接收UE所属的目标管理功能实体发送的第一消息；其中，第一消息用于通知边缘PSA对UE在边缘PSA上的分流业务进行检测；对UE的分流业务进行检测；在预设时长内没有检测到UE的分流业务的情况下，向目标管理功能实体上报第二消息；其中，第二消息用于指示UE在预设时长内在边缘PSA上没有分流业务；与目标管理功能实体交互，以移除边缘PSA。In the fifth aspect, this application provides a system for managing edge PSA, including: a target management function entity 701 configured to send a first message to the edge PSA corresponding to the UE; wherein the first message is used to notify the edge PSA of the edge PSA for the UE at the edge. Detect the offloading service of the PSA; receive the second message reported by the edge PSA; where the second message is used to indicate that the UE does not have offloading services on the edge PSA within the preset time period; interact with the edge PSA to remove the edge PSA; edge PSA702 , configured to receive the first message sent by the target management function entity to which the UE belongs; wherein the first message is used to notify the edge PSA to detect the offloading service of the UE on the edge PSA; to detect the offloading service of the UE; in the preset If the UE's offload service is not detected within the time period, report the second message to the target management function entity; wherein, the second message is used to indicate that the UE does not have the offload service on the edge PSA within the preset time period; interact with the target management function entity , to remove marginal PSA.
在一些示例性实施方式中，目标管理功能实体701还配置为：获取UE对应的分流规则信息；其中，分流规则信息包括UE对应的DNAI；根据UE对应的DNAI确定UE对应的边缘PSA。In some exemplary embodiments, the target management function entity 701 is further configured to: obtain the offloading rule information corresponding to the UE; wherein the offloading rule information includes the DNAI corresponding to the UE; and determine the edge PSA corresponding to the UE according to the DNAI corresponding to the UE.
在一些示例性实施方式中，目标管理功能实体701配置为采用以下方式实现根据UE对应的DNAI确定UE对应的边缘PSA：在UPF实体支持的DNAI包括UE对应的DNAI，且UPF实体没有和基站连接的情况下，确定UE对应的边缘PSA包括UPF实体。In some exemplary embodiments, the target management function entity 701 is configured to determine the edge PSA corresponding to the UE according to the DNAI corresponding to the UE in the following manner: the DNAI supported by the UPF entity includes the DNAI corresponding to the UE, and the UPF entity is not connected to the base station. In the case of , it is determined that the edge PSA corresponding to the UE includes a UPF entity.
在一些示例性实施方式中，第一消息还包括预设时长。In some exemplary implementations, the first message further includes a preset duration.
在一些示例性实施方式中，目标管理功能实体701还配置为：判断是否移除边缘PSA；在判断出移除边缘PSA的情况下，继续执行与边缘PSA交互，以移除边缘PSA的步骤。In some exemplary embodiments, the target management function entity 701 is further configured to: determine whether to remove the edge PSA; if it is determined to remove the edge PSA, continue to perform the step of interacting with the edge PSA to remove the edge PSA.
在一些示例性实施方式中，目标管理功能实体701配置为采用以下方式实现与边缘PSA交互，以移除边缘PSA：向边缘PSA发送用户面删除请求；接收边缘PSA发送的用户面删除响应。In some exemplary embodiments, the target management function entity 701 is configured to interact with the edge PSA in the following manner to remove the edge PSA: send a user plane deletion request to the edge PSA; receive a user plane deletion response sent by the edge PSA.
边缘PSA702配置为采用以下方式实现与目标管理功能实体交互，以移除边缘PSA：接收目标管理功能实体发送的用户面删除请求，删除UE的信息；向目标管理功能实体发送用户面删除响应。The edge PSA 702 is configured to interact with the target management function entity in the following manner to remove the edge PSA: receive a user plane deletion request sent by the target management function entity and delete the UE information; send a user plane deletion response to the target management function entity.
上述管理边缘PSA的***的示例实现过程与前述实施方式的管理边缘PSA的方法的示例实现过程相同，这里不再赘述。 The above example implementation process of the system for managing edge PSA is the same as the example implementation process of the method for managing edge PSA in the previous embodiment, and will not be described again here.
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些步骤、***、装置中的功能模块/单元可以被实施为软件、固件、硬件及其适当的组合。在硬件实施方式中，在以上描述中提及的功能模块/单元之间的划分不一定对应于物理组件的划分；例如，一个物理组件可以具有多个功能，或者一个功能或步骤可以由若干物理组件合作执行。某些物理组件或所有物理组件可以被实施为由处理器，如中央处理器、数字信号处理器或微处理器执行的软件，或者被实施为硬件，或者被实施为集成电路，如专用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其它数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其它存储器技术、CD-ROM、数字多功能盘(DVD)或其它光盘存储、磁盒、磁带、磁盘存储或其它磁存储器、或者可以用于存储期望的信息并且可以被计算机访问的任何其它的介质。此外，本领域普通技术人员公知的是，通信介质通常包含计算机可读指令、数据结构、程序模块或者诸如载波或其它传输机制之类的调制数据信号中的其它数据，并且可包括任何信息递送介质。Those of ordinary skill in the art can understand that all or some steps, systems, and functional modules/units in the devices disclosed above can be implemented as software, firmware, hardware, and appropriate combinations thereof. In hardware implementations, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may consist of several physical components. Components execute cooperatively. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit . Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). As is known to those of ordinary skill in the art, the term computer storage media includes volatile and nonvolatile media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. removable, removable and non-removable media. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disk (DVD) or other optical disk storage, magnetic cassettes, tapes, disk storage or other magnetic storage, or may be used Any other medium that stores the desired information and can be accessed by a computer. Additionally, it is known to those of ordinary skill in the art that communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media .
本文已经公开了示例实施方式，并且虽然采用了具体术语，但它们仅用于并仅应当被解释为一般说明性含义，并且不用于限制的目的。在一些实例中，对本领域技术人员显而易见的是，除非另外明确指出，否则可单独使用与特定实施方式相结合描述的特征、特性和/或元素，或可与其它实施方式相结合描述的特征、特性和/或元件组合使用。因此，本领域技术人员将理解，在不脱离由所附的权利要求阐明的本申请的范围的情况下，可进行各种形式和细节上的改变。 Example embodiments have been disclosed herein, and although specific terms are employed, they are used and should be interpreted in a general illustrative sense only and not for purpose of limitation. In some instances, it will be apparent to those skilled in the art that features, characteristics and/or elements described in connection with a particular embodiment may be used alone, or may be used in conjunction with other embodiments, unless expressly stated otherwise. Features and/or components used in combination. Accordingly, it will be understood by those skilled in the art that various changes in form and details may be made without departing from the scope of the present application as set forth in the appended claims.

Claims (14)

  1. 一种管理边缘协议数据单元会话锚点的方法，应用于目标管理功能实体，该方法包括：A method for managing edge protocol data unit session anchor points, applied to target management function entities, the method includes:
    向用户设备对应的边缘协议数据单元会话锚点发送第一消息；其中，所述第一消息用于通知所述边缘协议数据单元会话锚点对所述用户设备在所述边缘协议数据单元会话锚点的分流业务进行检测；Send a first message to the edge protocol data unit session anchor corresponding to the user equipment; wherein the first message is used to notify the edge protocol data unit session anchor to the user equipment in the edge protocol data unit session anchor. Detect the diversion business of the point;
    接收所述边缘协议数据单元会话锚点上报的第二消息；其中，所述第二消息用于指示所述用户设备在预设时长内在所述边缘协议数据单元会话锚点上没有分流业务；Receive a second message reported by the edge protocol data unit session anchor point; wherein the second message is used to indicate that the user equipment does not offload services on the edge protocol data unit session anchor point within a preset time period;
    与所述边缘协议数据单元会话锚点交互，以移除所述边缘协议数据单元会话锚点。Interact with the edge protocol data unit session anchor to remove the edge protocol data unit session anchor.
  2. 根据权利要求1所述的管理边缘协议数据单元会话锚点的方法，所述向用户设备对应的边缘协议数据单元会话锚点发送第一消息之前，该方法还包括：The method for managing an edge protocol data unit session anchor according to claim 1, before sending the first message to the edge protocol data unit session anchor corresponding to the user equipment, the method further includes:
    获取所述用户设备对应的分流规则信息；其中，所述分流规则信息包括所述用户设备对应的数据网络接入标识；Obtain the offloading rule information corresponding to the user equipment; wherein the offloading rule information includes the data network access identification corresponding to the user equipment;
    根据所述用户设备对应的数据网络接入标识确定所述用户设备对应的边缘协议数据单元会话锚点。The edge protocol data unit session anchor point corresponding to the user equipment is determined according to the data network access identifier corresponding to the user equipment.
  3. 根据权利要求2所述的管理边缘协议数据单元会话锚点的方法，其中，所述目标管理功能实体为会话管理功能实体时，所述获取所述用户设备对应的分流规则信息包括：The method for managing an edge protocol data unit session anchor point according to claim 2, wherein when the target management function entity is a session management function entity, the obtaining the offloading rule information corresponding to the user equipment includes:
    接收策略控制功能实体下发的所述用户设备对应的分流规则信息。Receive offloading rule information corresponding to the user equipment issued by the policy control function entity.
  4. 根据权利要求2所述的管理边缘协议数据单元会话锚点的方法，其中，所述目标管理功能实体为中间会话管理功能实体时，所述获取所述用户设备对应的分流规则信息包括：The method for managing edge protocol data unit session anchor points according to claim 2, wherein when the target management function entity is an intermediate session management function entity, the obtaining the offloading rule information corresponding to the user equipment includes:
    接收会话管理功能实体发送的所述用户设备对应的分流规则信息。Receive offloading rule information corresponding to the user equipment sent by the session management function entity.
  5. 根据权利要求2所述的管理边缘协议数据单元会话锚点的方 法，其中，所述根据所述用户设备对应的数据网络接入标识确定所述用户设备对应的边缘协议数据单元会话锚点包括：Method for managing edge protocol data unit session anchor points according to claim 2 Method, wherein the determining the edge protocol data unit session anchor point corresponding to the user equipment according to the data network access identifier corresponding to the user equipment includes:
    在用户面功能实体支持的数据网络接入标识包括所述用户设备对应的数据网络接入标识，且所述用户面功能实体没有和基站连接的情况下，确定所述用户设备对应的边缘协议数据单元会话锚点包括所述用户面功能实体。When the data network access identifier supported by the user plane functional entity includes the data network access identifier corresponding to the user equipment, and the user plane functional entity is not connected to the base station, determine the edge protocol data corresponding to the user equipment. The unit session anchor includes the user plane functional entity.
  6. 根据权利要求1-5任意一项所述的管理边缘协议数据单元会话锚点的方法，其中，所述第一消息还包括预设时长。The method for managing edge protocol data unit session anchor points according to any one of claims 1 to 5, wherein the first message further includes a preset duration.
  7. 根据权利要求1-5任意一项所述的管理边缘协议数据单元会话锚点的方法，所述接收所述边缘协议数据单元会话锚点上报的第二消息后，该方法还包括：The method for managing an edge protocol data unit session anchor according to any one of claims 1 to 5, after receiving the second message reported by the edge protocol data unit session anchor, the method further includes:
    判断是否移除所述边缘协议数据单元会话锚点；Determine whether to remove the edge protocol data unit session anchor;
    在判断出移除所述边缘协议数据单元会话锚点的情况下，继续执行所述与所述边缘协议数据单元会话锚点交互，以移除所述边缘协议数据单元会话锚点的步骤。If it is determined that the edge protocol data unit session anchor is to be removed, continue to perform the step of interacting with the edge protocol data unit session anchor to remove the edge protocol data unit session anchor.
  8. 根据权利要求7所述的管理边缘协议数据单元会话锚点的方法，其中，所述判断出移除所述边缘协议数据单元会话锚点包括：The method of managing an edge protocol data unit session anchor according to claim 7, wherein the determining to remove the edge protocol data unit session anchor includes:
    判断出之前向所述边缘协议数据单元会话锚点发送过所述第一消息。It is determined that the first message has been sent to the edge protocol data unit session anchor point before.
  9. 根据权利要求1-5任意一项所述的管理边缘协议数据单元会话锚点的方法，其中，所述与所述边缘协议数据单元会话锚点交互，以移除所述边缘协议数据单元会话锚点包括：The method for managing an edge protocol data unit session anchor according to any one of claims 1 to 5, wherein the interaction with the edge protocol data unit session anchor is to remove the edge protocol data unit session anchor. Points include:
    向所述边缘协议数据单元会话锚点发送用户面删除请求；Send a user plane deletion request to the edge protocol data unit session anchor;
    接收所述边缘协议数据单元会话锚点发送的用户面删除响应。Receive the user plane deletion response sent by the edge protocol data unit session anchor point.
  10. 一种管理边缘协议数据单元会话锚点的方法，应用于边缘协议数据单元会话锚点，该方法包括：A method for managing edge protocol data unit session anchor points, applied to edge protocol data unit session anchor points, the method includes:
    接收用户设备所属的目标管理功能实体发送的第一消息；其中，所述第一消息用于通知所述边缘协议数据单元会话锚点对所述用户设备在所述边缘协议数据单元会话锚点上的分流业务进行检测；Receive the first message sent by the target management function entity to which the user equipment belongs; wherein the first message is used to notify the edge protocol data unit session anchor point to the user equipment on the edge protocol data unit session anchor point. The diversion business is tested;
    对所述用户设备的分流业务进行检测； Detect the offload service of the user equipment;
    在预设时长内没有检测到所述用户设备的分流业务的情况下，向所述目标管理功能实体上报第二消息；其中，所述第二消息用于指示所述用户设备在预设时长内在所述边缘协议数据单元会话锚点上没有分流业务；If the offload service of the user equipment is not detected within the preset time period, report a second message to the target management function entity; wherein the second message is used to indicate that the user equipment will not receive the offload service within the preset time period. There is no offload service on the session anchor point of the edge protocol data unit;
    与所述目标管理功能实体交互，以移除所述边缘协议数据单元会话锚点。Interact with the target management function entity to remove the edge protocol data unit session anchor.
  11. 根据权利要求10所述的管理边缘协议数据单元会话锚点的方法，其中，所述第一消息还包括预设时长。The method for managing an edge protocol data unit session anchor point according to claim 10, wherein the first message further includes a preset duration.
  12. 根据权利要求10所述的管理边缘协议数据单元会话锚点的方法，其中，所述与所述目标管理功能实体交互，以移除所述边缘协议数据单元会话锚点包括：The method of managing an edge protocol data unit session anchor according to claim 10, wherein the interacting with the target management function entity to remove the edge protocol data unit session anchor includes:
    接收所述目标管理功能实体发送的用户面删除请求，删除所述用户设备的信息；Receive the user plane deletion request sent by the target management function entity, and delete the information of the user equipment;
    向所述目标管理功能实体发送用户面删除响应。Send a user plane deletion response to the target management function entity.
  13. 一种电子设备，包括：An electronic device including:
    至少一个处理器；at least one processor;
    存储器，所述存储器上存储有至少一个程序，当所述至少一个程序被所述至少一个处理器执行时，实现权利要求1-12任意一项所述的管理边缘协议数据单元会话锚点的方法。A memory, at least one program is stored on the memory, and when the at least one program is executed by the at least one processor, the method for managing an edge protocol data unit session anchor described in any one of claims 1-12 is implemented. .
  14. 一种计算机可读介质，所述计算机可读介质上存储有计算机程序，所述计算机程序被处理器执行时实现权利要求1-12任意一项所述的管理边缘协议数据单元会话锚点的方法。 A computer-readable medium. A computer program is stored on the computer-readable medium. When the computer program is executed by a processor, the method for managing an edge protocol data unit session anchor described in any one of claims 1-12 is implemented. .
PCT/CN2023/113999 2022-09-13 2023-08-21 Edge psa management method, and electronic device and computer-readable medium WO2024055815A1 (en)

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