CN116347632A - Resource adjustment method, communication node, communication device, communication system, and server - Google Patents
Resource adjustment method, communication node, communication device, communication system, and server Download PDFInfo
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- 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
Abstract
The embodiment of the application relates to the technical field of wireless communication, in particular to a resource adjustment method, a communication node, a communication device, a communication system and a server. The resource adjustment method is applied to a first communication node deployed in the management domain of the network slice management function NSMF, and comprises the following steps: collecting flow monitoring data of a network slice in real time; acquiring a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; and sending the SLA parameter information and the instance information of the network slice to the NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of each slicing subnet to the NSSMF according to the SLA parameter information of each slicing subnet. The method aims to realize that the slice management domain can automatically optimize and adjust slice resources and improve the utilization rate of network resources.
Description
Technical Field
The embodiment of the application relates to the technical field of wireless communication, in particular to a resource adjustment method, a communication node, a communication device, a communication system and a server.
Background
With the evolution of a mobile communication network to a clouding network by a software defined network (Software Defined Network, SDN) or network function virtualization (Network Functions Virtualization, NFV) technology, the operation and the operation of the mobile communication network need to be significantly changed. Particularly, the 5G technology appears, and the mode of performing operation and maintenance with slices as basic units has a significant impact on the traditional operation and maintenance mode, and the traditional operation and maintenance mode of performing operation and maintenance with slices as basic units is gradually changed to the cloud operation and maintenance mode with slices as unit for Fault, configuration, accounting, performance and security management Functions (FCAPS). In the cloud operation and maintenance mode, the largest change is that resources can meet service requirements as required, so that the requirements are particularly important for the operation and maintenance of the resources in the cloud network, on one hand, the resources need to support the slices, the services are supported by taking the slices as units, on the other hand, the slice resources need to be dynamically adjusted, so that the slices can moderately meet the services in real time, the resource utilization rate is optimal under the condition of not causing resource waste, and the importance of the operation and maintenance of the cloud network is an intelligent decision of dynamic resource adjustment.
The current 3GPP protocol has established a set of standard management specifications for end-to-end slicing, network slicing, which refers to a set of organized and configured Network functions and resources that form a complete logical Network that can provide specific Network capabilities and Network characteristics. Network characteristics here include ultra-low latency, enhanced bandwidth, etc. Network slices typically span multiple technology domains, including access networks, transport networks, and core networks. The network slice subnetwork Network Slice Subnet is a subset of network slices in which the access network, transport network, or core network may individually constitute one network slice subnetwork. According to the description of the 3GPP protocol, the network slice management function (Network Slice Management Function, abbreviated as NSMF) is responsible for the management and arrangement of end-to-end slice instances, while the network slice subnet management function (Network Subnet Slice Management Function, abbreviated as NSSMF) is responsible for the management and arrangement of network slice subnet instances, which can be divided into radio NSSMF, core network NSSMF and bearer NSSMF according to the technical domain NSSMF. The architecture of an NSMF/NSSMF slice management system and the end-to-end slice deployment flow are shown in fig. 1, a user initiates a slice creation request, NSMF derives and decomposes relevant SLAs of various slice subnets such as a Core Network (CN), a Bearing Network (BN), a radio access Network (Radio Access Network) and the like from a Service-Level agent (SLA) carried in the slice instance creation request, and issues the relevant SLAs to various NSSMFs to initiate the creation of a slice subnet instance; after receiving the request for creating the slicing subnet instance, the NSSMF creates the slicing subnet instance according to the slicing subnet SLA, such as radio access technology, bandwidth, end-to-end delay, throughput, and the like, generates a network service resource model and service configuration, and sends the network service resource model and service configuration to a network function virtualization orchestrator (Network Functions Virtualization Orchestrator, abbreviated as NFVO) or a network element management module (Element Management, abbreviated as EM), so as to complete the instantiation of the network slice/network function virtualization VNF, send service configuration to the network function virtualization VNF, activate the slicing subnet instance, and finally deploy one end-to-end network slice instance successfully.
However, according to the description of the 3GPP protocol, the network slice is self-organizing, based on analysis of management data, and SLA closed-loop management should be achieved; however, how the ad hoc function is introduced, which data is analyzed by the management data, and how the closed loop is implemented, the 3GPP protocol does not describe the architecture, the flow and the interface, so that it is not beneficial for the implementation of the subsequent communication manufacturer, and therefore the communication manufacturer cannot automatically optimize and adjust the slice resources, resulting in low utilization rate of the network resources.
Disclosure of Invention
The embodiment of the application mainly aims at providing a resource adjustment method, a communication node, a communication device, a communication system and a server. The method aims to realize that the slice management domain can automatically optimize and adjust network slice resources and improve the utilization rate of the network resources.
To achieve the above objective, an embodiment of the present application provides a resource adjustment method applied to a first communication node deployed in a management domain of a network slice management function NSMF, including: collecting flow monitoring data of a network slice in real time; acquiring a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; and sending the SLA parameter information and the example information of the network slice to the NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of each slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
In order to achieve the above objective, an embodiment of the present application further provides a resource adjustment method, which is applied to a network slice management function NSMF, and includes: transmitting real-time flow monitoring data of a network slice to a first communication node deployed in a management domain of the NSMF, wherein the first communication node obtains a quality of service (Qos) parameter adjustment strategy of the network slice based on the flow monitoring data, and the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; receiving the SLA parameter information and the instance information of the network slice sent by the first communication node; and decomposing the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiating resource adjustment of each slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
In order to achieve the above objective, an embodiment of the present application further provides a resource adjustment method applied to a second communication node deployed in a management domain of a network slice subnet management function NSSMF, including: collecting flow monitoring data of a slicing subnet in real time; acquiring a quality of service (Qos) parameter adjustment strategy of the slicing subnet according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the slicing subnet; and sending the SLA parameter information and the instance information of the slicing subnet to the NSSMF, so that the NSSMF adjusts the resources of the slicing subnet according to the SLA parameter information.
In order to achieve the above objective, an embodiment of the present application further provides a resource adjustment method applied to a network slice subnet management function NSSMF, where the method includes: transmitting real-time traffic monitoring data of a sliced subnet to a second communication node deployed in a management domain of the NSSMF, wherein the second communication node obtains a quality of service Qos parameter adjustment strategy of the sliced subnet based on the traffic monitoring data, and the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the sliced subnet; and receiving the SLA parameter information of the slicing subnet and the example information of the slicing subnet sent by the second communication node, and adjusting the resources of the slicing subnet according to the SLA parameter information.
To achieve the above object, an embodiment of the present application further provides a communication node, where the communication node is disposed in a management domain of a network slice management function NSMF, including: the acquisition module is used for acquiring the flow monitoring data of the network slice in real time; the obtaining module is used for obtaining a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; and the sending module is used for sending the SLA parameter information and the instance information of the network slice to the NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of the slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
To achieve the above object, an embodiment of the present application further provides a communication device applied to a network slice management function NSMF, the device including: a sending module, configured to send real-time traffic monitoring data of a network slice to a first communication node deployed in a management domain of the NSMF, where the first communication node obtains a quality of service Qos parameter adjustment policy of the network slice based on the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the network slice; the receiving module is used for receiving the SLA parameter information and the instance information of the network slice sent by the first communication node; and the adjustment module is used for decomposing the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiating resource adjustment of each slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
To achieve the above object, an embodiment of the present application further provides a communication node, where the communication node is disposed in a management domain of a network slice subnet management function NSSMF, including: the acquisition module is used for acquiring flow monitoring data of the slicing subnetwork in real time; the acquisition module is used for acquiring a quality of service (Qos) parameter adjustment strategy of the slicing subnet according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the slicing subnet; and the sending module is used for sending the SLA parameter information and the instance information of the slicing subnet to the NSSMF so that the NSSMF can adjust the resources of the slicing subnet according to the SLA parameter information.
To achieve the above object, an embodiment of the present application further provides a communication device applied to a network slice subnet management function NSSMF, the device includes: a sending module, configured to send, to a second communication node deployed in a management domain of the NSSMF, real-time traffic monitoring data of a sliced subnet, for the second communication node to obtain a quality of service Qos parameter adjustment policy of the sliced subnet based on the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the sliced subnet; and the receiving module is used for receiving the SLA parameter information of the slicing subnet and the instance information of the slicing subnet, which are sent by the second communication node, and adjusting the resources of the slicing subnet according to the SLA parameter information.
To achieve the above object, an embodiment of the present application further provides a communication system, including: such as the communication node described above and the communication device described above, and/or including the communication node described above and the communication device described above.
To achieve the above object, an embodiment of the present application further provides a server, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the resource adjustment method described above.
To achieve the above object, an embodiment of the present application further provides a computer readable storage medium storing a computer program, where the computer program implements the above resource adjustment method when executed by a processor.
According to the resource adjustment method, in the resource adjustment process of the network slice, flow monitoring data of the network slice are collected in real time; acquiring a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; and sending the SLA parameter information and the instance information of the network slice to the NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of each slicing subnet to the NSSMF according to the SLA parameter information of each slicing subnet. The flow monitoring data of the network slice are collected, analyzed and decided to form a closed loop, so that the resource scheduling of the network slice is completed, the network slice resource can be dynamically adjusted, the slice can moderately meet the SLA in real time, and the resource utilization rate is optimal under the condition of not causing resource waste; the technical problem of low network resource utilization rate caused by incapability of automatically optimizing and adjusting slice resources by communication manufacturers in the prior art is solved.
Drawings
FIG. 1 is a flow chart of NSMF/NSSMF slice management system architecture and end-to-end slice deployment in 3GPP protocol;
fig. 2 is a schematic structural diagram of an example of network slice provided in an embodiment of the present application;
fig. 3 is a schematic deployment diagram of NSMF and NSSMF provided in an embodiment of the present application;
FIG. 4 is a flowchart of a resource adjustment method provided in an embodiment of the present application;
FIG. 5 is a flowchart of a resource adjustment method provided in an embodiment of the present application;
FIG. 6 is a flowchart of a resource adjustment method provided by an embodiment of the present application;
FIG. 7 is a flowchart of a resource adjustment method provided by an embodiment of the present application;
fig. 8 is a schematic structural diagram of a communication node provided in an embodiment of the present application;
fig. 9 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of a communication node provided in an embodiment of the present application;
fig. 11 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 12 is a schematic structural diagram of a communication system provided in an embodiment of the present application;
fig. 13 is a schematic structural diagram of a server according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, as will be appreciated by those of ordinary skill in the art, in the various embodiments of the present application, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not be construed as limiting the specific implementation of the present application, and the embodiments may be mutually combined and referred to without contradiction.
According to the description of 3GPP protocol 28.530, a network slice refers to a set of orchestrated and configured network functions and resources that form a complete logical network that may provide specific network capabilities and network characteristics. Network characteristics here include ultra low latency, enhanced bandwidth, etc. Network slices typically span multiple technology domains, including Access Networks (ANs), transport networks (Transmission Network, TNs) and Core Networks (CNs). The network slice subnetwork NSS is a subset of network slices, and AN access network AN, a transmission network TN or a core network CN in the network slices may independently form a network slice subnetwork, and fig. 2 is AN example of the network slice subnetwork as a transmission network, including the transmission network TN, a network function of a radio access network (Radio Access Network Network Functions, abbreviated as RAN NF), and a sub-domain network function CN NF. The slice arrangement management system consists of a network slice management function NSMF and a network slice subnet management function NSSMF, user equipment, service and the like; where NSMF is responsible for the management and orchestration of end-to-end slice instances, and NSSMF is responsible for the management and orchestration of network slice subnet instances, where NSSMF can be divided into wireless NSSMF, core network NSSMF, and bearer NSSMF according to subzones. As shown in fig. 3, the NSMF/NSSMF slice management system interfaces with the network function virtualization orchestrator NFVO through an os_ma_nfvo interface and interfaces with the network element management module EM through an itf_n interface in the area of the existing network management domain deployment location shown in fig. 3.
One embodiment of the present application relates to a resource adjustment method applied to a first communication node deployed in a management domain of a network slice management function NSMF, as shown in fig. 4, including:
and step 101, collecting flow monitoring data of the network slice in real time.
In an example implementation, the first communication node collects traffic monitoring data of the network slice through the network slice management function NSMF, and the collected traffic monitoring data of the network slice may include traffic monitoring data of a slice level and/or traffic monitoring data of a slice sub-network level. The first communication node can actively communicate with a network slice management function NSMF, and collect flow monitoring data of the network slice from the network slice management function NSMF; the network slice management function NSMF may also actively report the traffic monitoring data of the network slice to the first communication node.
In an example implementation, the first communication node is an intelligent component deployed in a management domain of the network slice management function NSMF, and may initiate a registration request to the network slice management function NSMF, so that the first communication node establishes a communication connection with the network slice management function NSMF, subscribes to the slice-level traffic monitoring data and/or the slice-subnet-level traffic monitoring data with the network slice management function NSMF through the established communication connection, and then receives the slice-level traffic monitoring data and/or the slice-subnet-level traffic monitoring data fed back by the network slice management function NSMF.
In an example implementation, the slice-level traffic monitoring data and the slice-subnet-level traffic monitoring data both include performance statistics and/or fault alert data, the performance statistics including one or any combination of the following: total registered user number, session request times, session request success rate, throughput, resource occupancy rate, communication delay, bandwidth and jitter; the fault alert data refers to fault information at the slice level or the slice subnetwork level.
Step 102, obtaining a Qos parameter adjustment policy of the network slice according to the traffic monitoring data, wherein the Qos parameter adjustment policy includes service level agreement SLA parameter information of the network slice.
In an example implementation, after the flow monitoring data of the network slice are collected, analyzing, learning, reasoning and deciding the collected flow monitoring data through an artificial intelligent algorithm to obtain a service instruction Qos parameter adjustment strategy of the network slice, wherein the service instruction Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; the corresponding relation between the service instruction Qos parameter adjustment strategy and the service level agreement SLA parameter information of the network slice is one-to-one.
Step 103, sending the SLA parameter information and the instance information of the network slice to NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of each slicing subnet to NSSMF according to the SLA parameter information of each slicing subnet.
In an example implementation, service level agreement SLA parameter information and instance information of a network slice are required to be sent to a network slice management function NSMF together, the network slice management function NSMF analyzes each slice subnet of the network slice according to the instance information of the network slice, then analyzes SLA parameter information of each slice subnet of the network slice by combining the service level agreement SLA parameter information, and then initiates resource adjustment of the slice subnets to each network slice subnet management function NSSMF according to the SLA parameter information of each slice subnet, and after receiving a resource adjustment request, the network slice subnet management function NSSMF adjusts resources of each slice subnet according to the SLA parameter information. Such as: SLA parameter information indicates that the success rate of the session request is reduced or the regurgitation amount is increased, then resources are increased when NSSMF is modified, and the network quality is improved; the SLA parameter information indicates that the time delay is increased, NSSMF optimizes the resource allocation and improves the user experience; the SLA parameter information indicates that the number of session requests is reduced or the number of users is reduced, and occupied resources are released when NSSMF is modified, so that the resource utilization rate is improved.
In an example implementation, if the collected flow monitoring data of the network slice is flow monitoring data of a slice subnet layer, the SLA parameter information of each slice subnet may also be directly obtained according to the flow monitoring data of the slice subnet layer, and resource adjustment of the slice subnet may be initiated to each NSSMF according to the SLA parameter information of each slice subnet.
In the embodiment of the application, in the resource adjustment process of the network slice, flow monitoring data of the network slice are collected in real time; acquiring a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; and sending the SLA parameter information and the instance information of the network slice to the NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of each slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet. The flow monitoring data of the network slice are collected, analyzed and decided to form a closed loop, so that the resource scheduling of the network slice is completed, the network slice resource can be dynamically adjusted, the slice can moderately meet the SLA in real time, the intelligent management of different levels of slice SLA guarantee is realized, and the resource utilization rate is optimal under the condition of not causing resource waste; the technical problem of low network resource utilization rate caused by incapability of automatically optimizing and adjusting slice resources by communication manufacturers in the prior art is solved.
One embodiment of the present application relates to a resource adjustment method applied to a network slice management function NSMF, as shown in fig. 5, including:
In an example implementation, when detecting a change in traffic monitoring data transmission of a network slice, the network slice management function NSMF collects traffic monitoring data of the network slice and transmits the collected traffic monitoring data of the network slice to a first communication node in a management domain of the network slice management function NSMF, and after receiving the traffic monitoring data of the network slice, the first communication node analyzes, learns, infers and makes a decision on the traffic monitoring data of the network slice, and obtains a quality of service Qos parameter adjustment policy of the network slice, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the network slice.
In an example implementation, after the first communication node obtains a Qos parameter adjustment policy including SLA parameter information according to the traffic monitoring data of the network slice, the first communication node sends the SLA parameter information to a network slice management function NSMF; the SLA parameter information is sent, and meanwhile, the instance information of the network slice is also sent to the network slice management function NSMF together.
And 203, decomposing the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiating resource adjustment of the slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
In an example implementation, the network slice management function NSMF analyzes each slice subnet of the network slice according to the instance information of the network slice, then analyzes the SLA parameter information of each slice subnet of the network slice in combination with the service level agreement SLA parameter information, and then initiates resource adjustment of each slice subnet to the network slice subnet management function NSSMF according to the SLA parameter information of each slice subnet, and the network slice subnet management function NSSMF adjusts the resources of each slice subnet according to the SLA parameter information after receiving the resource adjustment request. Such as: the SLA parameter information indicates that the success rate of the session request is reduced or the throughput is increased, and then the NSSMF is modified to increase the resources, thereby improving the network quality; the SLA parameter information indicates that the time delay is increased, NSSMF optimizes the resource allocation and improves the user experience; the SLA parameter information indicates that the number of session requests is reduced or the number of users is reduced, and occupied resources are released when NSSMF is modified, so that the resource utilization rate is improved.
In the embodiment of the application, a network slice management function NSMF transmits real-time traffic monitoring data of a network slice to a first communication node deployed in a management domain of the NSMF, and the first communication node obtains a quality of service Qos parameter adjustment policy of the network slice based on the traffic monitoring data, wherein the Qos parameter adjustment policy comprises Service Level Agreement (SLA) parameter information of the network slice; receiving SLA parameter information and instance information of a network slice sent by a first communication node; and decomposing the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiating resource adjustment of the slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet. The flow monitoring data of the network slice are collected, analyzed and decided to form a closed loop, so that the resource scheduling of the network slice is completed, the network slice resource can be dynamically adjusted, the slice can moderately meet the SLA in real time, the intelligent management of different levels of slice SLA guarantee is realized, and the resource utilization rate is optimal under the condition of not causing resource waste; the method solves the technical problem of low network resource utilization rate caused by incapability of automatically optimizing and adjusting slice resources by communication manufacturers in the prior art.
One embodiment of the present application relates to a resource adjustment method applied to a second communication node deployed in a management domain of a network slice subnet management function NSSMF, as shown in fig. 6, including:
In an example implementation, the second communication node collects traffic monitoring data of the sliced subnetwork through a network sliced subnetwork management function NSSMF. The second communication node can actively communicate with the network slice subnet management function NSSMF, and collect flow monitoring data of the slice subnet from the network slice subnet management function NSSMF; the network slice subnet management function NSSMF may also report the traffic monitoring data of the slice subnet to the second communication node.
In an example implementation, the slicing subnetwork includes a core network, a wireless network, or a carrier network.
In an example implementation, the second communication node is an intelligent component deployed in a management domain of the network slice subnet management function NSSMF, and may initiate a registration request to the network slice subnet management function NSSMF, so that the second communication node establishes a communication connection with the network slice subnet management function NSSMF, subscribes to the traffic monitoring data of the slice subnet level to the network slice subnet management function NSSMF through the established communication connection, and then receives the traffic monitoring data of the slice subnet level fed back by the network slice subnet management function NSSMF.
In an example implementation, after the flow monitoring data of the slicing subnetwork is collected, analyzing, learning, reasoning and deciding the collected flow monitoring data through an artificial intelligence algorithm to obtain a service instruction Qos parameter adjustment strategy of the slicing subnetwork, wherein the service instruction Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the slicing subnetwork; the corresponding relation between the service instruction Qos parameter adjustment strategy and the service level agreement SLA parameter information of the network subnet is one-to-one.
In an example implementation, the service level agreement SLA parameter information and the instance information of the slicing subnet are required to be sent to the network slicing subnet management function NSSM, and the network slicing subnet management function NSSM determines a slicing subnet required to be resource-adjusted according to the instance information of the slicing subnet, and then performs resource adjustment on the slicing subnet required to be resource-adjusted according to the SLA parameter information. Such as: the SLA parameter information indicates that the success rate of the session request is reduced or the throughput is increased, so that resources are increased when NSSMF is modified, and the network quality is improved; the SLA parameter information indicates that the time delay is increased, NSSMF optimizes the resource allocation and improves the user experience; the SLA parameter information indicates that the number of session requests is reduced or the number of users is reduced, and occupied resources are released when NSSMF is modified, so that the resource utilization rate is improved.
In the embodiment of the present application, a second communication node deployed in a management domain of a network slicing subnet management function NSSMF collects traffic monitoring data of a slicing subnet in real time, and obtains a quality of service Qos parameter adjustment policy of the slicing subnet according to the traffic monitoring data, where the Qos parameter adjustment policy includes SLA parameter information of a service level agreement of the slicing subnet, and sends the SLA parameter information and instance information of the slicing subnet to the NSSMF for the NSSMF to adjust resources of the slicing subnet according to the SLA parameter information. The flow monitoring data of the network slicing sub-network are collected, analyzed and decided to form a closed loop, so that the resource scheduling of the network slicing is completed, the network slicing sub-network resource can be dynamically adjusted, the slicing can moderately meet the SLA in real time, and the resource utilization rate is optimal under the condition of not causing resource waste; the technical problem of low network resource utilization rate caused by incapability of automatically optimizing and adjusting slice resources by communication manufacturers in the prior art is solved.
One embodiment of the present application relates to a resource adjustment method applied to a network slice subnet management function NSSMF, as shown in fig. 7, including:
In an example implementation, when detecting a change in the traffic monitoring data transmission of the slice subnet, the NSSMF collects the traffic monitoring data of the slice subnet, and sends the collected traffic monitoring data of the slice subnet to a second communication node in a management domain of the NSSMF, and after receiving the traffic monitoring data of the slice subnet, the second communication node analyzes, learns, infers and makes a decision on the traffic monitoring data of the slice subnet, so as to obtain a quality of service Qos parameter adjustment policy of the slice subnet, where the Qos parameter adjustment policy includes service level protocol SLA parameter information of the slice subnet.
In an example implementation, after the second communication node obtains the Qos parameter adjustment policy including the SLA parameter information according to the traffic monitoring data of the sliced subnet, the second communication node sends the SLA parameter information to the network sliced subnet management function NSSMF; the method comprises the steps that when SLA parameter information is sent, the example information of a slicing subnet is also sent to a network slicing subnet management function NSSMF; after receiving the SLA parameter information of the slicing subnet and the example information of the slicing subnet, the network slicing subnet management function NSSMF determines the slicing subnet needing to be resource-adjusted according to the example information of the slicing subnet, and then performs resource adjustment on the slicing subnet needing to be resource-adjusted according to the SLA parameter information.
In the embodiment of the present application, a network slice subnet management function NSSMF sends real-time flow monitoring data of a slice subnet to a second communication node deployed in a management domain of the NSSMF, so that the second communication node obtains a quality of service Qos parameter adjustment policy of the slice subnet based on the flow monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the slice subnet; and receiving the SLA parameter information of the slicing subnet and the instance information of the slicing subnet sent by the second communication node, and adjusting the resources of the slicing subnet according to the SLA parameter information. The flow monitoring data of the network slice are collected, analyzed and decided to form a closed loop, so that the resource scheduling of the network slice is completed, the network slice resource can be dynamically adjusted, the slice can moderately meet the SLA in real time, and the resource utilization rate is optimal under the condition of not causing resource waste; the technical problem of low network resource utilization rate caused by incapability of automatically optimizing and adjusting slice resources by communication manufacturers in the prior art is solved.
The above steps of the methods are divided, for clarity of description, and may be combined into one step or split into multiple steps when implemented, so long as they include the same logic relationship, and they are all within the protection scope of this patent; it is within the scope of this patent to add insignificant modifications to the algorithm or flow or introduce insignificant designs, but not to alter the core design of its algorithm and flow.
Another embodiment of the present application relates to a communication node deployed in a management domain of a network slice management function NSMF, and fig. 8 is a schematic diagram of the communication node according to the present embodiment, including: an acquisition module 501, an acquisition module 502 and a transmission module 503.
The acquisition module 501 is configured to acquire flow monitoring data of a network slice in real time;
an obtaining module 502, configured to obtain a quality of service Qos parameter adjustment policy of the network slice according to the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the network slice;
and the sending module 503 is configured to send the SLA parameter information and the instance information of the network slice to the NSMF, so that the NSMF decomposes the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiates resource adjustment of each slicing subnet to the NSSMF according to the SLA parameter information of each slicing subnet.
It is to be noted that this embodiment is a system embodiment corresponding to the above-described method embodiment, and this embodiment may be implemented in cooperation with the above-described method embodiment. The related technical details and technical effects mentioned in the above embodiments are still valid in this embodiment, and in order to reduce repetition, they are not described here again. Accordingly, the related technical details mentioned in the present embodiment can also be applied to the above-described embodiments.
It should be noted that, the embodiment of the present system is mainly aimed at the description of the resource adjustment method provided by the embodiment of the method on the software implementation layer, and the implementation needs to rely on the support of hardware, for example, the functions of the related modules may be deployed on the processor, so that the processor runs to implement the corresponding functions, and in particular, the related data generated by the running may be stored in the memory for subsequent inspection and use.
Another embodiment of the present application relates to a communication device applied to a network slice management function NSMF, and fig. 9 is a schematic diagram of the communication device according to the present embodiment, including: a transmitting module 601, a receiving module 602 and an adjusting module 603.
The sending module 601 is configured to send real-time traffic monitoring data of a network slice to a first communication node deployed in a management domain of an NSMF, where the first communication node obtains a quality of service Qos parameter adjustment policy of the network slice based on the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the network slice;
a receiving module 602, configured to receive SLA parameter information and instance information of a network slice sent by a first communication node;
and the adjusting module 603 is configured to decompose SLA parameter information of each sliced subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of the sliced subnet to each network sliced subnet management function NSSMF according to the SLA parameter information of each sliced subnet.
It is to be noted that this embodiment is a system embodiment corresponding to the above-described method embodiment, and this embodiment may be implemented in cooperation with the above-described method embodiment. The related technical details and technical effects mentioned in the above embodiments are still valid in this embodiment, and in order to reduce repetition, they are not described here again. Accordingly, the related technical details mentioned in the present embodiment can also be applied to the above-described embodiments.
It should be noted that, the embodiment of the present system is mainly aimed at the description of the resource adjustment method provided by the embodiment of the method on the software implementation layer, and the implementation needs to rely on the support of hardware, for example, the functions of the related modules may be deployed on the processor, so that the processor runs to implement the corresponding functions, and in particular, the related data generated by the running may be stored in the memory for subsequent inspection and use.
Another embodiment of the present application relates to a communication node deployed in a management domain of a network slice subnet management function NSSMF, and fig. 10 is a schematic diagram of the communication node according to the present embodiment, including: an acquisition module 701, an acquisition module 702 and a transmission module 703.
The acquisition module 701 is configured to acquire flow monitoring data of the slicing subnet in real time;
An obtaining module 702, configured to obtain a quality of service Qos parameter adjustment policy of the sliced subnet according to the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the sliced subnet;
and a sending module 703, configured to send the SLA parameter information and the instance information of the slicing subnet to the NSSMF, where the NSSMF adjusts the resources of the slicing subnet according to the SLA parameter information.
It is to be noted that this embodiment is a system embodiment corresponding to the above-described method embodiment, and this embodiment may be implemented in cooperation with the above-described method embodiment. The related technical details and technical effects mentioned in the above embodiments are still valid in this embodiment, and in order to reduce repetition, they are not described here again. Accordingly, the related technical details mentioned in the present embodiment can also be applied to the above-described embodiments.
It should be noted that, the embodiment of the present system is mainly aimed at the description of the resource adjustment method provided by the embodiment of the method on the software implementation layer, and the implementation needs to rely on the support of hardware, for example, the functions of the related modules may be deployed on the processor, so that the processor runs to implement the corresponding functions, and in particular, the related data generated by the running may be stored in the memory for subsequent inspection and use.
Another embodiment of the present application relates to a communication device applied to a network slice subnet management function NSSMF, and fig. 11 is a schematic diagram of the communication device according to the present embodiment, including: a transmitting module 801 and a receiving module 802.
A sending module 801, configured to send, to a second communication node disposed in a management domain of the NSSMF, real-time traffic monitoring data of a slicing subnet, for the second communication node to obtain a quality of service Qos parameter adjustment policy of the slicing subnet based on the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the slicing subnet;
and a receiving module 802, configured to receive SLA parameter information of the sliced subnet and instance information of the sliced subnet sent by the second communication node, and adjust resources of the sliced subnet according to the SLA parameter information.
It is to be noted that this embodiment is a system embodiment corresponding to the above-described method embodiment, and this embodiment may be implemented in cooperation with the above-described method embodiment. The related technical details and technical effects mentioned in the above embodiments are still valid in this embodiment, and in order to reduce repetition, they are not described here again. Accordingly, the related technical details mentioned in the present embodiment can also be applied to the above-described embodiments.
It should be noted that, the embodiment of the present system is mainly aimed at the description of the resource adjustment method provided by the embodiment of the method on the software implementation layer, and the implementation needs to rely on the support of hardware, for example, the functions of the related modules may be deployed on the processor, so that the processor runs to implement the corresponding functions, and in particular, the related data generated by the running may be stored in the memory for subsequent inspection and use.
It should be noted that, each module in the above embodiment is a logic module, and in practical application, one logic unit may be one physical unit, or may be a part of one physical unit, or may be implemented by a combination of multiple physical units. Furthermore, in order to highlight the innovative part of the present application, units that are not so close to solving the technical problem presented in the present application are not introduced in the above embodiments, but it does not indicate that other units are not present in the present embodiment.
Another embodiment of the present application relates to a communication system, as shown in fig. 12, comprising: the first communication node deployed in the management domain of the network slice management function NSMF and the first communication device applied to the network slice management function NSMF, and/or the second communication node deployed in the management domain of the network slice subnet management function NSSMF and the second communication device applied to the network slice subnet management function NSSMF.
The first communication node is used for collecting flow monitoring data of the network slice in real time; acquiring a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; and sending the SLA parameter information and the instance information of the network slice to NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of each slicing subnet to NSSMF according to the SLA parameter information of each slicing subnet.
The system comprises a first communication device, a second communication device and a third communication device, wherein the first communication device is used for sending real-time flow monitoring data of a network slice to a first communication node deployed in a management domain of NSMF, and the first communication node is used for acquiring a quality of service Qos parameter adjustment strategy of the network slice based on the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice; receiving SLA parameter information and instance information of a network slice sent by a first communication node; and decomposing the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiating resource adjustment of the slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
The second communication node is used for collecting flow monitoring data of the slicing subnet in real time; acquiring a quality of service (Qos) parameter adjustment strategy of the slicing subnet according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the slicing subnet; and sending the SLA parameter information and the instance information of the slicing subnet to the NSSMF, so that the NSSMF adjusts the resources of the slicing subnet according to the SLA parameter information.
A second communication device, configured to send real-time flow monitoring data of a sliced subnet to a second communication node deployed in a management domain of the NSSMF, where the second communication node obtains a quality of service Qos parameter adjustment policy of the sliced subnet based on the flow monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the sliced subnet; and receiving the SLA parameter information of the slicing subnet and the instance information of the slicing subnet sent by the second communication node, and adjusting the resources of the slicing subnet according to the SLA parameter information.
Another embodiment of the present application relates to an electronic device, as shown in fig. 13, comprising: at least one processor 901; and a memory 902 communicatively coupled to the at least one processor 901; wherein the memory 902 stores instructions executable by the at least one processor 901, the instructions being executable by the at least one processor 901 to enable the at least one processor 901 to perform the resource adjustment method in each of the above embodiments.
Where the memory and the processor are connected by a bus, the bus may comprise any number of interconnected buses and bridges, the buses connecting the various circuits of the one or more processors and the memory together. The bus may also connect various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or may be a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor is transmitted over the wireless medium via the antenna, which further receives the data and transmits the data to the processor.
The processor is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory may be used to store data used by the processor in performing operations.
Another embodiment of the present application relates to a computer-readable storage medium storing a computer program. The computer program implements the above-described method embodiments when executed by a processor.
That is, it will be understood by those skilled in the art that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program stored in a storage medium, including a plurality of instructions for causing a device (which may be a single-chip microcomputer, a chip or the like) or a processor (processor) to perform all or part of the steps in the methods of the embodiments described herein. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of implementing the present application and that various changes in form and details may be made therein without departing from the spirit and scope of the present application.
Claims (15)
1. A method of resource adjustment for a first communication node deployed in a management domain of a network slice management function NSMF, the method comprising:
collecting flow monitoring data of a network slice in real time;
acquiring a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice;
And sending the SLA parameter information and the instance information of the network slice to the NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of each slicing subnet to the NSSMF according to the SLA parameter information of each slicing subnet.
2. The resource adjustment method according to claim 1, wherein the traffic monitoring data of the network slice acquired in real time includes: flow monitoring data of slice layers;
before the real-time collection of the flow monitoring data of the network slice, the method further comprises:
establishing communication connection with the NSMF, and subscribing the NSMF for flow monitoring data of the slice level through the established communication connection;
the real-time collection of the flow monitoring data of the network slice comprises:
and receiving flow monitoring data of the slice level fed back by the NSMF.
3. The resource adjustment method of claim 2, wherein the real-time acquired traffic monitoring data of the network slice further comprises: flow monitoring data of the slicing subnet layer;
before the real-time collection of the flow monitoring data of the network slice, the method further comprises:
Establishing communication connection with each NSSMF, and subscribing the flow monitoring data of the slicing subnet layer to each NSSMF through the established communication connection;
the real-time flow monitoring data of the network slice is collected, and the method further comprises the following steps:
receiving flow monitoring data of the slicing subnet level fed back by each NSSMF;
after the flow monitoring data of the network slice are collected in real time, the method further comprises the following steps:
and acquiring SLA parameter information of each slicing subnet according to the flow monitoring data of the slicing subnet layer, and initiating resource adjustment of the slicing subnet to each NSSMF according to the SLA parameter information of each slicing subnet.
4. A resource adjustment method according to any one of claims 1 to 3, characterized in that the flow monitoring data comprises performance statistics and/or fault alert data;
wherein the performance statistics include one or any combination of the following:
total registered user number, session request times, session request success rate, throughput, resource occupancy rate, communication delay, bandwidth and jitter.
5. A resource adjustment method, applied to a network slice management function NSMF, the method comprising:
Transmitting real-time flow monitoring data of a network slice to a first communication node deployed in a management domain of the NSMF, wherein the first communication node obtains a quality of service (Qos) parameter adjustment strategy of the network slice based on the flow monitoring data, and the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice;
receiving the SLA parameter information and the instance information of the network slice sent by the first communication node;
and decomposing the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiating resource adjustment of each slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
6. A method for resource adjustment, applied to a second communication node deployed in a management domain of a network slice subnet management function NSSMF, the method comprising:
collecting flow monitoring data of a slicing subnet in real time;
acquiring a quality of service (Qos) parameter adjustment strategy of the slicing subnet according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the slicing subnet;
And sending the SLA parameter information and the instance information of the slicing subnet to the NSSMF, so that the NSSMF adjusts the resources of the slicing subnet according to the SLA parameter information.
7. The resource adjustment method of claim 6, wherein the sliced subnetwork comprises a core network, a radio network, or a carrier network.
8. A method for adjusting resources, applied to a network slice subnet management function NSSMF, the method comprising:
transmitting real-time flow monitoring data of a slicing subnet to a second communication node deployed in a management domain of the NSSMF, wherein the second communication node obtains a quality of service Qos parameter adjustment strategy of the slicing subnet based on the flow monitoring data, and the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the slicing subnet;
and receiving the SLA parameter information of the slicing subnet and the instance information of the slicing subnet sent by the second communication node, and adjusting the resources of the slicing subnet according to the SLA parameter information.
9. A communication node, the communication node being deployed within a management domain of a network slice management function NSMF, comprising:
The acquisition module is used for acquiring the flow monitoring data of the network slice in real time;
the acquisition module is used for acquiring a quality of service (Qos) parameter adjustment strategy of the network slice according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the network slice;
and the sending module is used for sending the SLA parameter information and the instance information of the network slice to the NSMF, so that the NSMF can decompose the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiate resource adjustment of the slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
10. A communication device for application to a network slice management function NSMF, the device comprising:
a sending module, configured to send real-time traffic monitoring data of a network slice to a first communication node deployed in a management domain of the NSMF, where the first communication node obtains a quality of service Qos parameter adjustment policy of the network slice based on the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the network slice;
The receiving module is used for receiving the SLA parameter information and the instance information of the network slice sent by the first communication node;
and the adjustment module is used for decomposing the SLA parameter information of each slicing subnet of the network slice according to the SLA parameter information, and initiating resource adjustment of each slicing subnet to each network slicing subnet management function NSSMF according to the SLA parameter information of each slicing subnet.
11. A communication node, the communication node being deployed within a management domain of a network slice subnet management function NSSMF, comprising:
the acquisition module is used for acquiring flow monitoring data of the slicing subnetwork in real time;
the acquisition module is used for acquiring a quality of service (Qos) parameter adjustment strategy of the slicing subnet according to the flow monitoring data, wherein the Qos parameter adjustment strategy comprises Service Level Agreement (SLA) parameter information of the slicing subnet;
and the sending module is used for sending the SLA parameter information and the instance information of the slicing subnet to the NSSMF so that the NSSMF can adjust the resources of the slicing subnet according to the SLA parameter information.
12. A communication device for application to a network slice subnet management function NSSMF, the device comprising:
A sending module, configured to send, to a second communication node deployed in a management domain of the NSSMF, real-time traffic monitoring data of a sliced subnet, for the second communication node to obtain a quality of service Qos parameter adjustment policy of the sliced subnet based on the traffic monitoring data, where the Qos parameter adjustment policy includes service level agreement SLA parameter information of the sliced subnet;
and the receiving module is used for receiving the SLA parameter information of the slicing subnet and the instance information of the slicing subnet, which are sent by the second communication node, and adjusting the resources of the slicing subnet according to the SLA parameter information.
13. A communication system, comprising: communication node according to claim 9 and communication device according to claim 10, and/or,
comprising a communication node as claimed in claim 11 and a communication device as claimed in claim 12.
14. A server, comprising:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the resource adjustment method of any one of claims 1 to 4, or to perform the resource adjustment method of claim 5, or to perform the resource adjustment method of any one of claims 6 to 7, or to perform the resource adjustment method of claim 8.
15. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the resource adjustment method of any one of claims 1 to 4, or implements the resource adjustment method of claim 5, or implements the resource adjustment method of any one of claims 6 to 7, or implements the resource adjustment method of claim 8.
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| PCT/CN2022/137211 WO2023104085A1 (en) | 2021-12-10 | 2022-12-07 | Resource adjustment method, communication node, communication apparatus, communication system and server |
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| US11405931B2 (en) * | 2019-12-12 | 2022-08-02 | Oracle International Corporation | Methods, systems, and computer readable media for providing for network slice management using feedback mechanism |
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