WO2021083243A1 - 一种网络切片实例配置方法和装置 - Google Patents
一种网络切片实例配置方法和装置 Download PDFInfo
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- WO2021083243A1 WO2021083243A1 PCT/CN2020/124555 CN2020124555W WO2021083243A1 WO 2021083243 A1 WO2021083243 A1 WO 2021083243A1 CN 2020124555 W CN2020124555 W CN 2020124555W WO 2021083243 A1 WO2021083243 A1 WO 2021083243A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Definitions
- the embodiments of the present application relate to, but are not limited to, the field of communication technology, and specifically, relate to, but are not limited to, a network slice instance configuration method and device.
- the concept of network slicing is introduced.
- PDU Protocol Data Unit
- DNN Digital Data Network
- Single Network Slice Selection Assistance Information Single Network Slice Selection Assistance Information
- NWDAF Network Data Analysis Function
- the solutions provided by the current standard level have the following two problems: when the NSSF module is not deployed in the network, it is impossible to implement slice selection based on the real-time load of the Network Slice Instance (NSI).
- NSF Network Slice Instance
- AMF access and mobility management function
- the embodiment of the application provides a method for configuring a network slice instance.
- the method for configuring a network slice instance includes: sending network configuration request information to a network data analysis module; receiving network configuration information sent by the network data analysis module; The configuration information determines the load status of the network slice instance, and determines the target network slice instance accessed by the access terminal according to the load status.
- the embodiment of the present application also provides a method for sending the load status of a network slice instance.
- the method for sending the load status of a network slice instance includes: monitoring and analyzing the load status of all network slice instances in the network; when the network slice instance configuration module is received When the network configuration request information is sent, the network configuration information is returned to the network slice instance configuration module according to the network configuration request information, and the network configuration information includes at least the load status of the corresponding network slice instance.
- An embodiment of the present application also provides a network slice instance configuration device, including: a sending module, a receiving module, and a configuration module; the sending module is used to send network configuration request information to the network data analysis module; the receiving module is used to receive The network configuration information sent by the network data analysis module includes at least the load status of the network slice instance; the configuration module is used to configure the target network slice instance to the access terminal according to the load condition.
- the embodiment of the present application also provides a network slice instance monitoring device, including: a sending module, a receiving module, and a load monitoring module; the load monitoring module is used to monitor and analyze the load status of all network slice instances in the network; the receiving The module is used to receive network configuration request information sent by the network slice instance configuration module; the sending module is used to send network configuration information to the network slice instance configuration module, and the network configuration information includes at least the corresponding information in the network configuration request information.
- the load status of the network slicing instance including: a sending module, a receiving module, and a load monitoring module; the load monitoring module is used to monitor and analyze the load status of all network slice instances in the network; the receiving The module is used to receive network configuration request information sent by the network slice instance configuration module; the sending module is used to send network configuration information to the network slice instance configuration module, and the network configuration information includes at least the corresponding information in the network configuration request information.
- the load status of the network slicing instance including: a sending module, a receiving module, and
- An embodiment of the present application also provides a device, including: a processor, a memory, a communication unit, and a communication bus; the communication bus is used to implement a wireless communication connection between the processor, the communication unit, and the memory; The processor is configured to execute one or more programs stored in the memory to implement the steps of the network slice instance configuration method proposed in the embodiment of the present application.
- the embodiment of the present application also provides a computer storage medium.
- the computer-readable storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the embodiments of the present application.
- the steps of the proposed network slice instance configuration method are described in detail below.
- FIG. 1 is a complete flowchart of a method for configuring a network slicing instance provided by Embodiment 1 of the application;
- FIG. 2 is a flowchart of AMF actively acquiring and subscribing to slice load data from NWDAF according to the third embodiment of the application;
- FIG. 3 is a flow chart of referring to the load status of the slice instance when NSSF is not deployed in the network provided in the fourth embodiment of the application, and when the AMF decides the slice result in the Registration process;
- FIG. 4 is a flowchart in which NSSF is not deployed in the network provided by the fifth embodiment of the application, and the AMF refers to the load status of the slice instance when deciding the slice result in the PDU process;
- FIG. 5 is a flowchart of the AMF receiving the notification that the slice load of the NWDAF exceeds the threshold and releasing the PDU on the slice instance according to the sixth embodiment of the application;
- FIG. 6 is a flowchart of notifying the terminal when the user Allowed NSSAI and Reject NSSAI change due to the change in the load of the slice instance provided in the seventh embodiment of the application;
- FIG. 7 is a flowchart of the NRF actively acquiring and subscribing to slice load data from NWDAF according to the eighth embodiment of the application;
- FIG. 8 is a flowchart of referring to slice instance load data when NRF selects SMF in the PDU establishment process provided in the ninth embodiment of the application;
- FIG. 9 is a schematic structural diagram of an apparatus for configuring a network slicing instance provided by the tenth embodiment of this application.
- FIG. 10 is a schematic structural diagram of a network slicing instance monitoring device provided in the tenth embodiment of this application.
- FIG. 11 is a schematic structural diagram of a device provided in Embodiment 11 of this application.
- the network slice instance configuration method and device provided by the embodiments of the present application mainly solve the technical problem that the current configuration of the network slice instance is prone to uneven load of the network slice instance and the problem of high system load in the configuration process.
- the network slice configuration method includes: The analysis module sends network configuration request information; receives the network configuration information sent by the network data analysis module; determines the load status of the network slice instance according to the network configuration information, and determines the target network slice instance accessed by the access terminal according to the load status.
- FIG. 1 is a complete flowchart of a network slicing instance configuration method provided in this embodiment.
- the access terminal needs to access the network, it sends a network access request to the network configuration terminal, in Figure 1, the access and mobility management function AMF module, or the network repository function (Network Repository Function, NRF) module, which needs to be explained
- NRF Network Repository Function
- the access and mobility management function AMF module and the network storage library function NRF module are two interconnected modules, and the access terminal usually only communicates with the access and mobility management function AMF module, so when When the network configuration end is the network storage library function NRF module, it needs to be forwarded through the access and mobility management function AMF module; when the network configuration end receives the access request of the access terminal, it sends it to the network information analysis and processing end, as shown in Figure 1.
- the network data analysis function NWDAF module is mainly used as the entire network monitoring and analysis function.
- the network information analysis processing terminal receives the network configuration information request information, it returns the requested network configuration information to the network configuration terminal; the network configuration terminal performs necessary processing from the network configuration information,
- the load status of the network slice instance is extracted, and the configuration of the network slice instance is determined by the extracted load status, and sent to the access terminal to access the corresponding target network slice instance.
- the network configuration can also send the load status directly to the access terminal, allowing the access terminal to determine the target network slice instance for access.
- the network configuration information includes: feedback network configuration information returned according to the network configuration request information, and/or active network configuration information actively sent by the network data analysis function NWDAF module.
- the network data analysis function NWDAF module does not only issue network configuration information when it receives a request.
- the network data analysis function NWDAF module will also actively issue the active network Configure information to better control and adjust the network status. Therefore, the received network configuration information may have three situations, one is the feedback network configuration information returned according to the network configuration request information, the other is the active network configuration information actively sent by the network data analysis function NWDAF module, and there may be feedback Both network configuration information and active network configuration information exist.
- determining the load status of the network slice instance according to the network configuration information includes: directly obtaining the load status of the network slice instance from the network configuration information, and/or obtaining the load data of the network slice instance from the network configuration information, Analyze the load data to determine the load status of the network slice instance; the network slice instance includes all network slice instances or some network slice instances. Considering that there may be differences in the size of the load that the network slicing instance can bear in some places, the step of determining the load status can be carried out at the network configuration end. Only the corresponding load data is received in the received network configuration information, and the network configuration end gets it. After the load data, the specific load status is determined according to its own situation. Of course, the load status of the network slice instance can also be directly obtained in the network data analysis function NWDAF module.
- the access and mobility management function AMF module determines the network slice instance from the network configuration information Load status: When a network access request from an access terminal is received, the load status is sent to the access terminal to determine the target network slice instance that the access terminal accesses.
- an instance of the access terminal accessing the target network slice includes: accessing through a network registration (Registration) process, or accessing through a protocol data unit PDU establishment process.
- the access and mobility management function AMF module receives the registration request of the access terminal , And send a network slice selection auxiliary information request to the unified data management module UDM (Unified Data Management, UDM) subscribed by the access terminal;
- UDM Unified Data Management
- the corresponding single network slice selection auxiliary information S-NSSAI When the load status of the single network slice selection auxiliary information S-NSSAI exceeds the threshold, the corresponding single network slice selection auxiliary information S-NSSAI is placed in the rejected network slice selection auxiliary information (Rejected NSSAI); when a single network slice is selected When the load status of the auxiliary information S-NSSAI does not exceed the threshold, the corresponding single network slice selection auxiliary information S-NSSAI is placed in the allowed network slice selection auxiliary information (Allowed NSSAI);
- the threshold value includes the lowest threshold value and the highest threshold value. The addition of determining whether the load status exceeds the threshold value can promptly switch the network slice instance whose load exceeds the threshold value to In suitable network slicing instances, the overload of the network slicing instance can prevent the network slicing instance from failing, and the use efficiency of the network slicing instance is improved.
- the access and mobility management function AMF module receives the protocol data unit PDU establishment request of the access terminal, and the protocol data unit PDU establishment request includes the corresponding single network slice selection auxiliary information S-NSSAI;
- SMS Session Management Function
- the network configuration end is the network storage library function NRF module receiving the network configuration information sent by the network data analysis function NWDAF module;
- the network storage library function NRF module determines the load status of the network slice instance from the network configuration information
- the network storage library function NRF module receives the discovery session management function module request of the access and mobility management function AMF module.
- the discovery session management function module request includes at least one of local configuration information and single network slice selection auxiliary information S-NSSAI;
- the AMF module and the access terminal establish a protocol data unit PDU.
- a network slice instance configuration method provided by an embodiment of the application includes: sending network configuration request information to a network data analysis function module; receiving network configuration information sent by the network data analysis function module; and determining the load of the network slice instance according to the network configuration information Status, and determine the target network slice instance that the access terminal accesses based on the load status.
- the network slice instance configuration side actively obtains network configuration information from the network data analysis function module, and configures the network slice instance accessed by the access terminal through the load status of the network slice instance in the network configuration information, avoiding the access terminal
- the network slice instance with a relatively large access load makes the load of the network slice instance more even; at the same time, since the load status of multiple network slice instances can be obtained, the configuration of the network slice instance is directly performed by the network slice instance configuration side. Configuration reduces the load of the network slicing instance configuration system.
- This embodiment provides a method for sending the load status of a network slice instance.
- the method for sending the load status of a network slice instance includes: monitoring and analyzing the load status of all network slice instances in the network; when the network slice instance configuration module sends the network slice
- the network configuration information is returned to the network slice instance configuration module according to the network configuration request information, and the network configuration information includes at least the load status of the corresponding network slice instance.
- the method for sending the load status of a network slice instance in this embodiment corresponds to the action at the end of the NWDAF module of the network data analysis function in FIG. 1.
- the network slicing instance configuration module includes: access and movement management function AMF module and network storage library function NRF module.
- the network configuration request information includes: real-time status request information and subscription status request information; when the real-time status request information is received, the network configuration information needs to be immediately returned to the network slice instance configuration module;
- the network configuration information is returned to the network slice instance configuration module according to the built-in time period or trigger condition of the subscription status request information.
- the method for sending the load status of the network slice instance further includes: when it is detected that the load status of the network slice instance exceeds the threshold, sending an active message to the network slice instance configuration module corresponding to the network slice instance that exceeds the threshold. Network configuration information.
- This embodiment provides a method for sending the load status of a network slice instance, including: monitoring and analyzing the load status of all network slice instances in the network; when receiving network configuration request information sent by the network slice instance configuration module, according to the network configuration
- the request information returns network configuration information to the network slice instance configuration module, and the network configuration information includes at least the load status of the corresponding network slice instance.
- the network configuration information including the load status of the network slice instance is sent to the network slice instance configuration module to make the network
- the slice instance configuration module uses the load status of the network slice instance in the obtained network configuration information to reasonably configure the network slice instance, so that the load status of the configured network slice instance is more uniform.
- multiple network slice instances will be obtained at one time.
- the load status of the network slice can be configured directly when configuring the network slice instance, thereby reducing the load of the entire system.
- the network slice instance configuration method provided in this embodiment is a specific embodiment in the case where the AMF module actively obtains and subscribes to the slice load data from the NWDAF module.
- FIG. 2 is a flowchart of the AMF module actively acquiring and subscribing to slice load data from the NWDAF module.
- Figure 2 includes: the S01.AMF module sends a data analysis request to the NWDAF module, requesting load data of the slice instance.
- the AMF module can request the load data of all slice instances in the current network from the NWDAF module, or it can also consider requesting the load data of only some slice instances.
- the AMF module receives the data analysis result returned by the NWDAF module, which includes the slice instance and its corresponding load status.
- the S03.AMF module saves the slice instance and its load status returned by the NWDAF module. Subsequent users can refer to these slice load data when selecting slices during the Registration process or selecting slice instances during the PDU establishment process.
- the AMF module can also actively subscribe to the NWDAF module for slice load data, which can be all slice instances or some request instances.
- the AMF module receives the subscription response returned by the NWDAF module.
- the subscription response can protect the load data of each slice at the current moment.
- the S06.AMF module can receive the subscription notification message sent by the NWDAF module at any time, which contains slice load data.
- the NWDAF module can notify the AMF module periodically, or notify the AMF module when the load of the slice instance exceeds a certain threshold.
- the AMF module can keep the latest load data.
- some subsequent behaviors can be triggered and affect user behavior. See Example 7 and Example 8.
- the network slice instance configuration method provided in this embodiment is a specific embodiment in the case that the AMF module selects reference slice instance load data for user slices in the Registration process when the NSSF module is not deployed.
- Figure 3 is a flow chart showing that the NSSF module is not deployed in the network, and the AMF module refers to the load status of the slice instance when deciding the slice result in the Registration process.
- the UE initiates a registration request to the AMF module.
- the AMF module obtains the NSSAI information of the user's subscription from the UDM module.
- the AMF module receives the subscription NSSAI information returned by the UDM module.
- the AMF module For the case where the NSSF module is not deployed, or when the AMF module relies on its own configuration of the user slice selection result, refer to the slice instance load situation. If the NSI load of the slice instance corresponding to the S-NSSAI is too high and exceeds a certain threshold, and no NSI instance can serve the S-NSSAI, the AMF module will put the S-NSSAI in the Rejected NSSAI and cannot be placed in the Allowed NSSAI .
- the AMF module sends the Allowed NSSAI and Rejected NSSAI to the UE (terminal side) in the Registration Accept message.
- the form is delivered to the UE to prevent the UE from using the S-NSSAI when the subsequent PDU is established, resulting in failure to select a suitable NSI instance.
- the network slice instance configuration method provided in this embodiment is a specific embodiment when the AMF module selects the reference slice instance load data for the user slice in the PDU establishment process when the NSSF module is not deployed.
- Fig. 4 is a flow chart of the NSSF module not deployed in the network, and the AMF module refers to the load status of the slice instance when deciding the slice result in the PDU process.
- the UE initiates a PDU establishment request to the AMF module, which carries the corresponding S-NSSAI.
- the S02.AMF module determines the NSI slice instance corresponding to the user according to local configuration, S-NSSAI, DNN and other factors, it considers the load factor corresponding to the slice instance. Priority is given to slice instances with low load and below the set threshold.
- the S03.AMF module finds the SMF module from the NRF module, in addition to factors such as S-NSSAI and DNN, it must also carry the NSI selected in the previous step.
- the S04.NRF module selects a suitable SMF module according to the found conditions, and returns it to the AMF module.
- Embodiment 6 is a diagrammatic representation of Embodiment 6
- the network slice instance configuration method provided in this embodiment is a specific embodiment when the AMF module receives a notification that the slice load of the NWDAF module exceeds the threshold and releases the PDU on the slice instance.
- FIG. 5 is a flowchart of the AMF module receiving the notification that the slice load of the NWDAF module exceeds the threshold and releasing the PDU on the slice instance.
- the NWDAF module detects that the load of a slice instance exceeds the set threshold, and then notifies the AMF module that subscribes to the slice load.
- the AMF module receives the slice instance load data and saves the slice load data.
- the AMF module receives the slice instance load data and saves the slice load data. If the load of the slice instance is too high, the AMF module checks the PDUs belonging to the slice and informs the SMF module to release the PDUs on the slice instance.
- the S03.AMF module receives the response from the SMF module.
- S04.SMF module triggers PDU release, see TS23502 protocol
- the AMF module triggers other PDUs on the slice until the slice load decreases.
- the NWDAF module detects that the slice load is lower than the threshold, and notifies the AMF module that subscribes to the slice load data.
- the slice load is lower than the threshold, and the AMF module stops the release of the PDU.
- the network slice instance configuration method provided in this embodiment is a specific embodiment in the case where the user Allowed NSSAI and Reject NSSAI change due to the change in the load of the slice instance, the terminal is notified.
- FIG. 6 is a flow chart of notifying the terminal when the user Allowed NSSAI and Reject NSSAI change due to a change in the load of a slice instance.
- the NWDAF module detects that the load of a slice instance is lower than or exceeds the set threshold, and then notifies the AMF module that subscribes to the slice load.
- the AMF module receives the slice instance load data and saves the slice load data. If the load of the slice instance is lower or higher than the set threshold, the AMF module detects the change in the load status of the slice instance, which affects the change of the user's Allowed NSSAI or Reject NSSAI. The AMF module sends a configuration update message to the UE to update the NSSAI information.
- the UE replies with a configuration update response.
- the AMF module If the AMF module considers that the user's Allowed NSSAI or Reject NSSAI change requires the terminal to re-register, it triggers the UE Context Release Command message to trigger the terminal to re-initiate Registration.
- the UE replies to the UE Context Release Complete message.
- the terminal initiates a registration process.
- Embodiment 8 is a diagrammatic representation of Embodiment 8
- the network slice instance configuration method provided in this embodiment is a specific embodiment in the case that the NRF module actively obtains and subscribes to the slice load data from the NWDAF module.
- FIG. 7 is a flowchart of the NRF module actively acquiring and subscribing to slice load data from the NWDAF module.
- the NRF module sends a NWDAF module data analysis request to the NWDAF module, requesting load data of the slice instance.
- the NRF module can request the load data of all slice instances in the current network from the NWDAF module, or it can also consider requesting the load data of only some slice instances.
- the NRF module receives the data analysis result returned by the NWDAF module, which includes the slice instance and its corresponding load status.
- the NRF module saves the slice instance and its load status returned by the NWDAF module. Subsequent users can refer to these slice load data when selecting the SMF module during the PDU establishment process.
- the NRF module can also actively subscribe to the NWDAF module for slice load data, which can be all slice instances or some request instances.
- the NRF module receives the subscription response returned by the NWDAF module.
- the subscription response can protect the load data of each slice at the current moment.
- the S06.NRF module can receive the subscription notification message sent by the NWDAF module at any time, which contains slice load data.
- the NWDAF module can notify the NRF module periodically, or it can notify the NRF module when the load of the slice instance exceeds a certain threshold.
- the NRF module can keep the latest load data.
- the network slice instance configuration method provided in this embodiment is that in the PDU establishment process, when the NRF module selects the SMF module, refer to the specific embodiment in the case of slice instance load data.
- Figure 8 is a flow chart of the load data of the slice instance when the NRF module selects the SMF module in the PDU establishment process.
- the NRF module has obtained the slice instance load data from the NWDAF module.
- the NRF module filters the SMF module based on the slice instance load.
- the UE initiates a PDU establishment request to the AMF module.
- the S02.AMF module initiates a discovery request to the NRF module to facilitate the discovery of the SMF module.
- the S03.SMF module In addition to filtering the appropriate SMF module based on the parameters in the discovery request, the S03.SMF module also refers to the load and traffic of the slice instance where the SMF module is located. If the load is too high and exceeds a certain threshold, the SMF module corresponding to the slice instance should be removed.
- the S04.NRF module returns the discovery result to the AMF module.
- the device includes: a sending module 901, a receiving module 902, and a configuration module 903; a sending module 901 is used to send network configuration request information to the network data analysis module; the receiving module 902 is used to receive network configuration information sent by the network data analysis function module, the network configuration information includes at least the load status of the network slice instance; the configuration module 903 is used to load according to the load The status configures the target network slice instance to the access terminal.
- a sending module 901 is used to send network configuration request information to the network data analysis module
- the receiving module 902 is used to receive network configuration information sent by the network data analysis function module, the network configuration information includes at least the load status of the network slice instance
- the configuration module 903 is used to load according to the load The status configures the target network slice instance to the access terminal.
- the network slicing instance monitoring device includes: a sending module 1001 and a receiving module 1002 and load monitoring module 1003; load monitoring module 1003 is used to monitor and analyze the load status of all network slicing instances in the network; receiving module 1002 is used to receive network configuration request information sent by the network slicing instance configuration module; sending module 1001 is used to Send network configuration information to the network slice instance configuration module, where the network configuration information at least includes the load status of the corresponding network slice instance in the network configuration request information.
- the steps and specific processes implemented by each module in the device reference may be made to the processes shown in the foregoing embodiments, which will not be repeated here.
- This embodiment provides a network slicing instance configuration device and a network slicing instance monitoring device.
- the network slicing instance monitoring device is used to monitor and analyze the load status of the network slicing instance, and the network slicing instance configuration is output from the network slicing instance monitoring device.
- Obtain the load status of the network slice instance and configure the network slice instance according to the load status of the network slice instance, avoiding the access terminal access to the network slice instance with a large load, making the load of the network slice instance more even;
- the load status of multiple network slice instances can be obtained, and the configuration is directly performed by the network slice instance configuration side when the network slice instance configuration is performed, which reduces the load of the network slice instance configuration system.
- Embodiment 11 is a diagrammatic representation of Embodiment 11:
- the device includes: a processor 211, a memory 212, a communication unit 213, and a communication bus 214; the communication bus 214 is used to implement the processor 211, the communication unit 213, and the memory 212.
- the processor 211 is configured to execute one or more programs stored in the memory 212 to implement the steps of the network slice instance configuration method provided in the embodiments of the present application.
- This embodiment also provides a computer-readable storage medium, which is included in any method or technology for storing information (such as computer-readable instructions, data structures, computer program modules, or other data). Volatile or non-volatile, removable or non-removable media.
- Computer-readable storage media include but are not limited to Random Access Memory (RAM), Read-Only Memory (Read-Only Memory, ROM for short), Electrically Erasable Programmable Read Only memory, EEPROM for short), flash memory or other memory technologies, Compact Disc Read-Only Memory (CD-ROM for short), Digital Versatile Disc (DVD for short) or other optical disk storage, magnetic boxes, Tape, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and that can be accessed by a computer.
- RAM Random Access Memory
- Read-Only Memory Read-Only Memory
- EEPROM Electrically Erasable Programmable Read Only memory
- flash memory or other memory technologies
- CD-ROM Compact Disc Read-Only Memory
- DVD Digital Versa
- the computer-readable storage medium in this embodiment can be used to store one or more computer programs, and the stored one or more computer programs can be executed by a processor, so as to implement the network slicing examples in Embodiment 1 to Embodiment 9 above. At least one step of the configuration method.
- communication media usually contain computer-readable instructions, data structures, computer program modules, or other data in a modulated data signal such as carrier waves or other transmission mechanisms, and may include any information delivery medium. Therefore, this application is not limited to any specific combination of hardware and software.
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Abstract
Description
Claims (19)
- 一种网络切片实例配置方法,包括:向网络数据分析功能NWDAF模块发送网络配置请求信息;接收所述网络数据分析功能NWDAF模块发送的网络配置信息;根据所述网络配置信息确定网络切片实例的负荷状况,并根据所述负荷状况确定接入终端接入的目标网络切片实例。
- 如权利要求1所述的网络切片实例配置方法,其中,所述网络配置信息包括:根据所述网络配置请求信息返回的反馈网络配置信息,和/或,所述NWDAF模块主动发送的主动网络配置信息。
- 如权利要求2所述的网络切片实例配置方法,其中,所述根据所述网络配置信息确定网络切片实例的负荷状况包括:从所述网络配置信息中直接获取网络切片实例的负荷状况,和/或,从所述网络配置信息中获取网络切片实例的负荷数据,分析所述负荷数据确定网络切片实例的负荷状况;所述网络切片实例包括全部网络切片实例,或部分网络切片实例。
- 如权利要求3所述的网络切片实例配置方法,其中,当由访问和移动管理功能AMF模块接收所述NWDAF模块发送的网络配置信息时;所述AMF模块从所述网络配置信息中确定网络切片实例的负荷状况;当接收到接入终端的网络接入请求时,将所述负荷状况发送给所述接入终端发送,用于确定所述接入终端接入的目标网络切片实例。
- 如权利要求4所述的网络切片实例配置方法,其中,所述接入终端接入目标网络切片实例包括:以网络注册Registration过程进行接入,或以协议数据单元PDU建立过程进行接入。
- 如权利要求5所述的网络切片实例配置方法,其中,当网络中未部署网络切片选择功能NSSF模块,且所述接入终端接入目标网络切片实例以网络注册Registration过程进行接入时;所述AMF模块接收所述接入终端的网络注册Registration请求,并向所述接入终端签约的统一数据管理UDM模块发送网络切片选择辅助信息请求;接收所述UDM模块返回的网络切片选择辅助信息NSSAI,并对单网络切片选择辅助信息S-NSSAI对应的网络切片实例NSI的负荷状态进行判断;当单网络切片选择辅助信息S-NSSAI的负荷状态超过门限值时,将对应的单网络切片选择辅助信息S-NSSAI放置在拒绝网络切片选择辅助信息Rejected NSSAI中;当单网络切片选择辅助信息S-NSSAI的负荷状态未超过门限值时,将对应的单网络切片选择辅助信息S-NSSAI放置在允许网络切片选择辅助信息Allowed NSSAI中;在注册接受信息Registration Accept中添加拒绝网络切片选择辅助信息Rejected NSSAI和允许网络切片选择辅助信息Allowed NSSAI,并发送给所述接入终端,用于确定所述接入终端接入的目标网络切片实例。
- 如权利要求6所述的网络切片实例配置方法,其中,当所述目标网络切片实例的负荷状况发生改变时,判断改变后的负荷状况是否超出门限值;若超出门限值,向所述接入终端发送配置更新信息;接收所述接入终端返回的配置更新响应信息,根据所述配置更新响应信息确定所述接入终端是否需要重新进行网络注册Registration。
- 如权利要求5所述的网络切片实例配置方法,其中,当网络中未部署网络切片选择功能NSSF模块,且所述接入终端接入目标网络切片实例以协议数据单元PDU建立过程进行接入时;所述AMF模块接收所述接入终端的协议数据单元PDU建立请求,所述协议数据单元PDU建立请求中包括对应的单网络切片选择辅助信息S-NSSAI;根据所述网络配置信息、本地配置信息和所述单网络切片选择辅助信息S-NSSAI至少一种,确定所述接入终端对应的目标网络切片实例;将所述网络配置信息、本地配置信息和所述单网络切片选择辅助信息S-NSSAI至少一种,以及所述目标网络切片实例添加到发现会话管理功能模块请求中,并发送给网络存储库功能NRF模块;接收所述NRF模块返回的对应会话管理功能SMF模块,并建立协议数据单元PDU流程。
- 如权利要求8所述的网络切片实例配置方法,其中,当所述目标网络切片实例的负荷状况发生改变时,判断改变后的负荷状况是否超出门限值;若超出门限值,检测超出门限值的网络切片实例上对应的协议数据单元PDU,并将检测结果发送给所述SMF模块;接收所述SMF模块返回的响应信息,根据所述响应信息确定需要释放的协议数据单元PDU数目。
- 如权利要求3所述的网络切片实例配置方法,其中,当由网络存储库功能NRF模块接收所述NWDAF模块发送的网络配置信息时;所述NRF模块从所述网络配置信息中确定网络切片实例的负荷状况;接收访问和移动管理功能AMF模块的发现会话管理功能模块请求,并向所述AMF模块返回可选会话管理功能模块信息;所述可选会话管理功能模块信息用于所述AMF模块确定会话管理功能SMF模块,以确定接入终端接入的目标网络切片实例。
- 如权利要求10所述的网络切片实例配置方法,其中,当网络中未部署网络切片选择功能NSSF模块,且所述接入终端接入目标网络切片实例以协议数据单元PDU建立过程进行接入时;所述网络存储库功能NRF模块接收访问和移动管理功能AMF模块的发现会话管理功能模块请求,所述发现会话管理功能模块请求包括:本地配置信息和所述单网络切片选择辅助信息S-NSSAI至少一种;根据所述网络切片实例的负荷状况确定可选的会话管理功能SMF模块,并将所述可选SMF模块信息返回给所述AMF模块;所述可选SMF模块信息用于所述AMF模块和接入终端建立协议数据单元PDU。
- 一种网络切片实例负荷状况的发送方法,包括:监控并分析网络中所有网络切片实例的负荷状态;当接收到网络切片实例配置模块发送的网络配置请求信息时,根据所述网络配置请求信息向所述网络切片实例配置模块返回网络配置信息,所述网络配置信息至少包括对应的网络 切片实例的负荷状态。
- 如权利要求12所述的网络切片实例负荷状况的发送方法,其中,所述网络切片实例配置模块包括:访问和移动管理功能AMF模块和网络存储库功能NRF模块任意一种。
- 如权利要求12所述的网络切片实例负荷状况的发送方法,其中,所述网络配置请求信息包括:实时状况请求信息和订阅状况请求信息;当接收到所述实时状况请求信息时,需立即向所述网络切片实例配置模块返回网络配置信息;当接收到所述订阅状况请求信息时,根据所述订阅状况请求信息的内置时间周期或触发条件向所述网络切片实例配置模块返回网络配置信息。
- 如权利要求12所述的网络切片实例负荷状况的发送方法,还包括:当检测到网络切片实例的负荷状态超出门限值时,向超出门限值的网络切片实例对应的网络切片实例配置模块发送主动网络配置信息。
- 一种网络切片实例配置装置,包括:发送模块、接收模块和配置模块;所述发送模块用于向网络数据分析模块发送网络配置请求信息;所述接收模块用于接收所述网络数据分析模块发送的网络配置信息,所述网络配置信息至少包括网络切片实例的负荷状况;所述配置模块用于根据负荷状况向接入终端配置目标网络切片实例。
- 一种网络切片实例监测装置,包括:发送模块、接收模块和负荷监测模块;所述负荷监测模块用于监测和分析网络中所有的网络切片实例的负荷状态;所述接收模块用于接收网络切片实例配置模块发送的网络配置请求信息;所述发送模块用于向所述网络切片实例配置模块发送网络配置信息,所述网络配置信息至少包括所述网络配置请求信息中对应的网络切片实例的负荷状态。
- 一种设备,包括:处理器、存储器、通信单元和通信总线;所述通信总线用于实现所述处理器、所述通信单元和所述存储器之间的无线通信连接;所述处理器用于执行存储器中存储的一个或者多个程序,以实现如权利要求1至11任一项所述的网络切片实例配置方法的步骤。
- 一种计算机可读存储介质,存储有一个或者多个计算机程序,所述一个或者多个计算机程序可被一个或者多个处理器执行,以实现如权利要求1至11任一项所述的网络切片实例配置方法的步骤。
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