WO2024067444A1 - 会话管理功能选择方法、装置及接入和移动性管理功能网元 - Google Patents

会话管理功能选择方法、装置及接入和移动性管理功能网元 Download PDF

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Publication number
WO2024067444A1
WO2024067444A1 PCT/CN2023/120943 CN2023120943W WO2024067444A1 WO 2024067444 A1 WO2024067444 A1 WO 2024067444A1 CN 2023120943 W CN2023120943 W CN 2023120943W WO 2024067444 A1 WO2024067444 A1 WO 2024067444A1
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Prior art keywords
group
management function
network element
function network
session management
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PCT/CN2023/120943
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English (en)
French (fr)
Inventor
李芸
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大唐移动通信设备有限公司
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Publication of WO2024067444A1 publication Critical patent/WO2024067444A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/18Selecting a network or a communication service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a session management function selection method, device, and access and mobility management function network element.
  • the architecture of the sixth generation of mobile communication technology will be a new type of network architecture that integrates centralized control mobile communication networks and open Internet, and coexists with centralized and decentralized networks. It is necessary to go beyond centralized control and gradually evolve to a distributed architecture, expand more networks to the edge of the network, and establish distributed nodes with different functional levels. Each distributed node is self-contained and has all the functions of complete control and data forwarding. A distributed node can also be called a domain.
  • the distributed network unit is a micro-cloud unit deployed at the edge of the network, or an edge network.
  • One of the characteristics of distributed nodes is on-demand customization. Its infrastructure specifications, connection protocols, service capabilities, and open capabilities can all be customized according to scenario requirements. They can be established on demand in the network, and distributed nodes can be networked quickly and conveniently.
  • Distributed nodes support cross-domain design (such as air and ground, mobile network and bearer network) and can be flexibly customized. Taking satellite access as an example, the network topology changes quickly and the transmission delay is large, resulting in the inability of access and mobility management strategies in related technologies to meet network requirements. It is necessary to design an efficient mobility management solution and an efficient collaborative session management mechanism for multiple access and multiple connections to meet the user experience of satellite access.
  • cross-domain design such as air and ground, mobile network and bearer network
  • VN Virtual Network
  • SMF Session Management Function
  • the purpose of the embodiments of the present disclosure is to provide a session management function selection method, device and access and mobility management function network element to solve the problem that the selection method of the session management function network element in the related art cannot be applied to the distributed network.
  • an embodiment of the present disclosure provides a session management function selection method, which is performed by an access and mobility management function network element.
  • the method includes:
  • a session management function network element is selected for the first VN group.
  • selecting a session management function network element for the first VN group includes:
  • the corresponding information of the group members and the distributed nodes of the first VN group is obtained in the following manner:
  • Acquire group subscription data of the first VN group wherein the group subscription data includes: corresponding information between group members of the first VN group and distributed nodes;
  • the corresponding information between the group members of the first VN group and the distributed nodes is determined.
  • the method further comprises:
  • the mobility information of the group members in the first VN group is obtained from the network data analysis function network element, and the activity information of the group members in the first VN group and the distributed nodes where the group members are located are determined based on the mobility information of the group members.
  • the method further comprises:
  • the identification information of the distributed node to which the session management function network element belongs selecting a distributed node with the largest number of group members or the highest activity from the distributed nodes corresponding to the identification information;
  • At least one session management function network element in the selected distributed nodes is used as the session management function network element of the first VN group.
  • selecting a session management function network element for the first VN group includes:
  • a session management function network element in the distributed node corresponding to the group identifier of the first VN group is selected as the session management function network element of the first VN group.
  • the method further includes:
  • a session management function network element is selected for the first VN group based on the corresponding information between the group members of the first VN group and the distributed nodes.
  • the embodiment of the present disclosure also provides an access and mobility management function network element, including a memory, a transceiver, and a processor:
  • a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
  • the first VN group Select the session management function element.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the corresponding information between the group members and the distributed nodes of the first VN group is obtained in the following manner:
  • Acquire group subscription data of the first VN group wherein the group subscription data includes: corresponding information between group members of the first VN group and distributed nodes;
  • the corresponding information between the group members of the first VN group and the distributed nodes is determined.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the mobility information of the group members in the first VN group is obtained from the network data analysis function network element, and the activity information of the group members in the first VN group and the distributed nodes where the group members are located are determined based on the mobility information of the group members.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the distributed node According to the identification information of the distributed node to which the session management function network element belongs, Select the distributed node with the largest number of group members or the highest activity among the distributed nodes;
  • At least one session management function network element in the selected distributed nodes is used as the session management function network element of the first VN group.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • a session management function network element in the distributed node corresponding to the group identifier of the first VN group is selected as the session management function network element of the first VN group.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • a session management function network element is selected for the first VN group based on the corresponding information between the first VN group and the distributed nodes.
  • the embodiment of the present disclosure also provides a session management function selection device, which is applied to an access and mobility management function network element, and the device includes:
  • a receiving unit configured to receive a session establishment request of a first virtual network VN group
  • a selection unit is used to select a session management function network element for the first VN group based on the corresponding information between the members of the first VN group and the distributed nodes.
  • An embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the method as described above.
  • the access and mobility management function network element selects a suitable session management function network element for the VN group based on the corresponding information between the group members of the VN group and the distributed nodes, thereby reducing the number of N4 signaling across distributed nodes of the session management function network element corresponding to a VN group, reducing the interaction delay and improving the interaction efficiency.
  • FIG1 is a block diagram of a wireless communication system to which the embodiments of the present disclosure may be applied;
  • FIG2 is a flowchart showing the steps of a method for selecting a session management function provided by an embodiment of the present disclosure
  • FIG3 is a schematic diagram showing the structure of an access and mobility management function network element provided in an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram showing the structure of a session management function selection device provided in an embodiment of the present disclosure.
  • FIG1 shows a block diagram of a wireless communication system applicable to the embodiments of the present disclosure.
  • the wireless communication system includes a terminal device 11 and a network side device 12.
  • the terminal device 11 may also be referred to as a terminal or a user terminal (User Equipment, UE). It should be noted that the specific type of the terminal 11 is not limited in the embodiments of the present disclosure.
  • the network side device 12 may be a base station or a core network. It should be noted that in the embodiments of the present disclosure, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • the term "and/or” describes the association relationship of associated objects, indicating that three relationships may exist.
  • a and/or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" generally indicates that the associated objects before and after are in an "or” relationship.
  • plurality in the embodiments of the present disclosure refers to two or more than two, and other quantifiers are similar thereto.
  • the applicable system can be the global system of mobile communication (GSM) system, the code division multiple access (CDMA) system, the wideband code division multiple access (WCDMA) system, the general packet radio
  • the system includes the general packet radio service (GPRS) system, the long term evolution (LTE) system, the LTE frequency division duplex (FDD) system, the LTE time division duplex (TDD) system, the advanced long term evolution (LTE-A) system, the universal mobile telecommunication system (UMTS), the world-wide interoperability for microwave access (WiMAX) system, the 5G new radio (NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE time division duplex
  • LTE-A advanced long term evolution
  • UMTS universal mobile telecommunication system
  • WiMAX world-wide interoperability for microwave access
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • the name of the terminal device may also be different.
  • the terminal device may be called a user equipment (UE).
  • the wireless terminal device can communicate with one or more core networks (CN) via a radio access network (RAN).
  • CN core networks
  • RAN radio access network
  • the wireless terminal device may be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device.
  • Wireless terminal devices may also be referred to as systems, subscriber units, subscriber stations, mobile stations, mobile stations, remote stations, access points, remote terminal devices, access terminal devices, user terminal devices, user agents, and user devices, which are not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names.
  • the network device may be used to interchange received air frames with Internet Protocol (IP) packets, serving as a communication channel between the wireless terminal device and the rest of the access network.
  • IP Internet Protocol
  • the router between the access networks, wherein the rest of the access network may include an Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network device may also coordinate the attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (Global System for Mobile communications, GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (evolutional Node B, eNB or e-NodeB) in the long term evolution (long term evolution, LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (Home evolved Node B, HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., which is not limited in the embodiments of the present disclosure.
  • the network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized unit and the distributed unit may also be arranged geographically separately.
  • Network devices and terminal devices can each use one or more antennas for multiple input multiple output (MIMO) transmission.
  • MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
  • MIMO transmission can be two-dimensional MIMO (2D-MIMO), three-dimensional MIMO (3D-MIMO), full-dimensional MIMO (FD-MIMO) or massive MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.
  • an embodiment of the present disclosure provides a session management function selection method, which is performed by an access and mobility management function network element.
  • the method includes:
  • Step 201 receiving a session establishment request of a first virtual network VN group
  • Step 202 Select a session management function network element for the first VN group based on the corresponding information between the group members of the first VN group and the distributed nodes.
  • the session management function network element for the first VN group in addition to the corresponding information between the first VN group and the distributed node, it is also necessary to refer to the session establishment requirements corresponding to the session establishment request, such as the slice identifier single network slice selection auxiliary information (Single-NetworkSliceSelection Assistance Information, S-NSSAI), load conditions, location information, etc., which are not specifically limited here.
  • S-NSSAI Single-NetworkSliceSelection Assistance Information
  • the method further includes:
  • a session management function network element is selected for the first VN group based on the corresponding information between the first VN group and the distributed nodes.
  • the access and mobility management function network element predicts the movement of group members between distributed nodes according to the regular movement of group members.
  • the access and mobility management function network element will initiate the reselection process of the session management function network element based on the distributed node information to which the group members belong after the movement; the method of reselecting the session management function network element is the same as the method of selecting the session management function network element in step 202.
  • step 202 includes:
  • the corresponding information between the group members of the first VN group and the distributed nodes is obtained in the following manner:
  • Group Subscription data group subscription data of the first VN group
  • group subscription data includes: corresponding information between group members of the first VN group and distributed nodes
  • the corresponding information between the group members and the distributed nodes of the first VN group is: the identification information of the distributed nodes to which the group members belong; that is, the identification of the distributed nodes to which the group members belong is added to the group contract data.
  • the network configures the information of each group member, it carries the identification of the distributed node where each group member is located before the session is established.
  • the distributed Small Cloud Unit (SCU) ID is enhanced in the user permanent identifier (SUbscription Permanent Identifier, SUPI) of the group subscription data corresponding to the first VN group; for example, the group subscription data includes: (SUPI 1, SCU 1), (SUPI 2, (SUPI 1, SCU 1) indicates that the distributed node to which the group member identified by SUPI 1 belongs is SCU 1.
  • SUPI subscription Permanent Identifier
  • the method further comprises:
  • the identification information of the distributed node to which the session management function network element belongs selecting a distributed node with the largest number of group members or the highest activity from the distributed nodes corresponding to the identification information;
  • At least one session management function network element in the selected distributed nodes is used as the session management function network element of the first VN group.
  • a session management function network element when a session management function network element registers with an NRF distributed node and/or a centralized node, it carries the identification information of the distributed node to which it belongs; when an access and mobility management function network element queries the session management function network element, the network repository function (NRF) feeds back the identification information of the distributed node to which the session management function network element belongs, wherein the network repository function can be a distributed node or a centralized node.
  • NRF network repository function
  • the session management function network element serves as the session management function network element of the first VN group; if the distributed node with the largest number of group members corresponds to at least two session management function network elements, then one session management function network element is selected from the at least two session management function network elements as the session management function network element of the first VN group.
  • the method of selecting one session management function network element from at least two session management function network elements includes: randomly selecting one session management function network element, or selecting one session management function network element according to load demand, or selecting one session management function network element according to location information, or selecting one session management function network element according to other session demand parameters, which is not specifically limited here.
  • group signing data can be configured in a centralized distribution node or configured in any distributed node and then synchronized to all distributed nodes.
  • the access and mobility management function network element When the access and mobility management function network element receives a session establishment request identifying a VN group, After obtaining a list of SMFs that meet the requirements from NRF, it searches the SUPI and SCU ID list in the contract data to obtain the SCU ID with the largest number of group members in this VN group. The access and mobility management function network element selects the session management function network element in the SCU with the largest number of group members in this VN group as the only session management function network element serving this VN group.
  • the corresponding information between the group members of the first VN group and the distributed nodes is obtained in the following manner:
  • the corresponding information between the group members of the first VN group and the distributed nodes is determined.
  • the corresponding information between the group members of the first VN group and the distributed nodes is: the information of the distributed nodes to which the group members belong.
  • the access and mobility management function network element counts the distributed nodes where the group members who have registered with the network are located; based on the information of the distributed nodes where the group members who have registered with the network are located, the distributed nodes where other group members are located are predicted.
  • the mobility of the group members can also be referred to when predicting the distributed nodes where other group members are located. That is, the access and mobility management function network element selects the session management function network element in the distributed node with the largest number of group members as the session management function network element of the VN group based on the distribution of the group members who have registered with the same group.
  • the method further comprises:
  • the identification information of the distributed node to which the session management function network element belongs selecting a distributed node with the largest number of group members or the highest activity from the distributed nodes corresponding to the identification information;
  • At least one session management function network element in the selected distributed nodes is used as the session management function network element of the first VN group.
  • a session management function network element when a session management function network element registers with an NRF distributed node and/or a centralized node, it carries the identification information of the distributed node to which it belongs; when an access and mobility management function network element queries the session management function network element, the network repository function (NRF) returns the identification information of the distributed node to which it belongs. Feedback the identification information of the distributed node to which the session management function network element belongs.
  • NRF network repository function
  • the session management function network element serves as the session management function network element of the first VN group; if the distributed node with the largest number of group members corresponds to at least two session management function network elements, then one session management function network element is selected from the at least two session management function network elements as the session management function network element of the first VN group.
  • the method of selecting one session management function network element from at least two session management function network elements includes: randomly selecting one session management function network element, or selecting one session management function network element according to load demand, or selecting one session management function network element according to location information, or selecting one session management function network element according to other session demand parameters, which is not specifically limited here.
  • the method further includes:
  • the mobility information of the group members in the first VN group is obtained from the network data analysis function network element, and the activity information of the group members in the first VN group and the distributed nodes where the group members are located are determined based on the mobility information of the group members.
  • the network data analysis function network element adds statistics on the activity of the group members of each VN group; or, the network data analysis function network element adds statistics on the mobility of the group members of each VN group.
  • the network data analysis function network element obtains the group member information of the first VN group, and predicts the distributed nodes where each group member is located based on the mobility analysis or activity analysis of the network data analysis function network element, thereby assisting the access and mobility management function network element to determine the distributed node with the highest activity, and selects a session management function network element among the distributed nodes with the highest group member activity as the session management function network element of the first VN group.
  • the method further comprises:
  • the identification information of the distributed node to which the session management function network element belongs selecting a distributed node with the largest number of group members or the highest activity from the distributed nodes corresponding to the identification information;
  • At least one session management function network element in the selected distributed nodes is used as the session management function network element of the first VN group.
  • a session management function network element when a session management function network element registers with an NRF distributed node and/or centralized node, it carries the identification information of the distributed node to which it belongs; when the access and mobility management function network element queries the session management function network element, the network repository function (Network Repository Function, NRF) feeds back the identification information of the distributed node to which the session management function network element belongs.
  • NRF Network Repository Function
  • the session management function network element serves as the session management function network element of the first VN group; if the distributed node with the highest activity corresponds to at least two session management function network elements, one session management function network element is selected from the at least two session management function network elements as the session management function network element of the first VN group.
  • the method of selecting one session management function network element from at least two session management function network elements includes: randomly selecting one session management function network element, or selecting one session management function network element according to load demand, or selecting one session management function network element according to location information, or selecting one session management function network element according to other session demand parameters, which is not specifically limited here.
  • step 202 includes:
  • a session management function network element in the distributed node corresponding to the group identifier of the first VN group is selected as the session management function network element of the first VN group.
  • the network function NF (such as the mobility and access management function AMF, the unified data management function UDM or the network storage function NRF, etc.) of the distributed node is configured with relevant information about each VN group, such as configuring the corresponding distributed node and the information of the session management function network element that can be served in the distributed node for a certain VN group on the NF.
  • relevant information is pre-configured:
  • the group identifier of the first VN is Group1
  • the group identifier of the first VN is Group2
  • each distributed node generally, the user plane paths of the group members belonging to the distributed node are established in the distributed node, which will not be repeated here.
  • the access and mobility management function network element selects a suitable session management function network element for the VN group based on the corresponding information between the VN group and the distributed nodes, thereby reducing the number of N4 signaling across distributed nodes of the session management function network element corresponding to a VN group, reducing interaction delay, and improving interaction efficiency.
  • the embodiment of the present disclosure further provides an access and mobility management function network element, including a memory 320, a transceiver 310, and a processor 300:
  • the memory 320 is used to store computer programs; the transceiver 310 is used to send and receive data under the control of the processor 300; the processor 300 is used to read the computer program in the memory 320 and perform the following operations:
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • a session management function network element is selected for the first VN group based on the corresponding information between the first VN group and the distributed nodes.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the corresponding information between the group members and the distributed nodes of the first VN group is obtained in the following manner:
  • Acquire group subscription data of the first VN group wherein the group subscription data includes: corresponding information between group members of the first VN group and distributed nodes;
  • the corresponding information between the group members of the first VN group and the distributed nodes is determined.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the mobility information of the group members in the first VN group is obtained from the network data analysis function network element, and the activity information of the group members in the first VN group and the distributed nodes where the group members are located are determined based on the mobility information of the group members.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the identification information of the distributed node to which the session management function network element belongs selecting a distributed node with the largest number of group members or the highest activity from the distributed nodes corresponding to the identification information;
  • At least one session management function network element in the selected distributed nodes is used as the session management function network element of the first VN group.
  • the processor is further configured to read the computer program in the memory and perform the following operations:
  • the distributed nodes corresponding to the pre-configured group identifier and the distributed nodes that can provide The identifier of the session management function network element providing session service selects a session management function network element in the distributed node corresponding to the group identifier of the first VN group as the session management function network element of the first VN group.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 300 and various circuits of memory represented by memory 320 are linked together.
  • the bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein.
  • the bus interface provides an interface.
  • the transceiver 310 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, which transmission medium includes a wireless channel, a wired channel, an optical cable, and other transmission media.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 may store data used by the processor 300 when performing operations.
  • the processor 300 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • the processor can also adopt a multi-core architecture.
  • the access and mobility management function network element selects a suitable session management function network element for the VN group based on the corresponding information between the VN group and the distributed nodes, thereby reducing the number of N4 signaling across distributed nodes of the session management function network element corresponding to a VN group, reducing interaction delay, and improving interaction efficiency.
  • an embodiment of the present disclosure further provides a session management function selection device, which is applied to an access and mobility management function network element.
  • the device includes:
  • a receiving unit 401 is used to receive a session establishment request of a first virtual network VN group
  • the selection unit 402 is used to select a session management function network element for the first VN group based on the corresponding information between the group members of the first VN group and the distributed nodes.
  • the device further includes:
  • the reselection unit is used to reselect a session management function network element for the first VN group based on the corresponding information between the first VN group and the distributed nodes when it is determined that the group members of the first VN group move between distributed nodes.
  • the selection unit includes:
  • a first determining subunit configured to determine the distributed node where the group members of the first VN group are located according to the corresponding information between the group members of the first VN group and the distributed nodes;
  • the first selection subunit is used to select a session management function network element in a distributed node with the largest number of group members as the session management function network element of the first VN group; or, to select a session management function network element in a distributed node with the highest group member activity as the session management function network element of the first VN group.
  • the corresponding information between the group members of the first VN group and the distributed nodes is obtained in the following manner:
  • Acquire group subscription data of the first VN group wherein the group subscription data includes: corresponding information between group members of the first VN group and distributed nodes;
  • the corresponding information between the group members of the first VN group and the distributed nodes is determined.
  • the device further includes:
  • a second acquisition unit is used to acquire activity information of group members in the first VN group and distributed nodes where the group members are located from a network data analysis function network element;
  • the third determination unit is used to obtain the mobility information of the group members in the first VN group from the network data analysis function network element, and determine the activity information of the group members in the first VN group and the distributed nodes where the group members are located based on the mobility information of the group members.
  • the device further includes:
  • a third acquisition unit is used to acquire identification information of a distributed node to which a session management function network element that meets the session establishment requirement belongs;
  • the first selection subunit is further configured to:
  • the identification information of the distributed node to which the session management function network element belongs selecting a distributed node with the largest number of group members or the highest activity from the distributed nodes corresponding to the identification information;
  • At least one session management function network element in the selected distributed nodes is used as the session management function network element of the first VN group.
  • the selection unit includes:
  • the second selection sub-unit is used to select a session management function network element in the distributed node corresponding to the group identifier of the first VN group as the session management function network element of the first VN group based on the distributed node corresponding to the pre-configured group identifier and the identifier of the session management function network element in the distributed node that can provide session services.
  • the access and mobility management function network element selects a suitable session management function network element for the VN group based on the corresponding information between the VN group and the distributed nodes, thereby reducing the number of N4 signaling across distributed nodes of the session management function network element corresponding to a VN group, reducing interaction delay, and improving interaction efficiency.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure can essentially or partly contribute to the relevant technology or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) or a processor to execute all or part of the steps of the method described in each embodiment of the present disclosure.
  • the aforementioned storage media include: USB flash drives, mobile hard disks, read-only memories (ROM), random access memories (Random Access Memory, RAM), magnetic disks, or optical disks, etc.
  • the embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the various steps in the embodiment of the session management function selection method as described above.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical (MO)), etc.), optical storage (such as compact disks (CD), digital versatile discs (DVD), Blu-ray discs (BD), high-definition versatile discs (HVD), etc.), and semiconductor memory (such as ROM, erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc.
  • magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical (
  • the division of the above modules is only a division of logical functions. In actual implementation, they can be fully or partially integrated into one physical entity, or they can be physically separated. And these modules can all be implemented in the form of software called by processing elements; they can also be all implemented in the form of hardware; some modules can also be implemented in the form of software called by processing elements, and some modules can be implemented in the form of hardware.
  • the determination module can be a separately established processing element, or it can be integrated in a chip of the above-mentioned device. In addition, it can also be stored in the memory of the above-mentioned device in the form of program code, and called and executed by a processing element of the above-mentioned device.
  • each step of the above method or each module above can be completed by an integrated logic circuit of hardware in the processor element or instructions in the form of software.
  • each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above method, such as one or more application specific integrated circuits (ASIC), or one or more microprocessors (digital signal processor, DSP), or one or more field programmable gate arrays (FPGA).
  • ASIC application specific integrated circuit
  • DSP digital signal processor
  • FPGA field programmable gate arrays
  • the processing element may be a general-purpose processor, such as a central processing unit (Central Processing Unit, CPU) or other processors that can call program codes.
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program code.
  • a computer-usable storage media including but not limited to disk storage and optical storage, etc.
  • each process and/or box in the flowchart and/or block diagram, as well as the combination of the process and/or box in the flowchart and/or block diagram can be implemented by computer executable instructions.
  • These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one process or multiple processes in the flowchart and/or one box or multiple boxes in the block diagram.
  • processor executable instructions may also be stored in a processor readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the processor readable memory
  • the instructions in the processor generate a product including an instruction device, which implements the functions specified in one or more processes in the flowchart and/or one or more blocks in the block diagram.
  • processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more flows in the flowchart and/or one or more blocks in the block diagram.

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Abstract

本公开提供一种会话管理功能选择方法、装置及接入和移动性管理功能网元,该方法包括:接入和移动性管理功能网元接收第一虚拟网络VN组的会话建立请求;根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元;该选择方法能够减少一个VN组对应的会话管理功能网元的跨分布式节点的N4信令数量,减少交互时延,提升交互效率。

Description

会话管理功能选择方法、装置及接入和移动性管理功能网元
相关申请的交叉引用
本公开要求于2022年9月30日提交中国专利局,申请号为202211216282.X、申请名称为“会话管理功能选择方法、装置及接入和移动性管理功能网元”的中国专利申请的优先权,其全部内容通过引用结合在本公开中。
技术领域
本公开涉及通信技术领域,尤其是指一种会话管理功能选择方法、装置及接入和移动性管理功能网元。
背景技术
第六代移动通信技术(6th Generation Mobile Communication Technology,6G)架构将会是集中控制式移动通信网络与开放式互联网相互融合的、集散共存的新型网络架构。需要超越集中控制,逐步向分布式架构演进,将更多的网络扩展到网络边缘,建立分布式的具有不同功能等级的分布式节点。每个分布式节点都是自包含的,具有完整的控制和数据转发的所有功能。一个分布式节点也可以称为一个域。此处,分布式网络单元就是在网络边缘部署的微云单元,或者就是边缘网络。
分布式节点的其中一个特征是按需定制化,其基础设施规格、连接协议、服务化能力、开放能力均可以按场景需求进行定制化设计。在网络中按需建立,分布式节点之间可快速便捷组网。
分布式节点支持跨域设计(如空天和地面、移动网和承载网)、能够灵活定制。以卫星接入为例,网络拓扑变化快,传输时延大,导致相关技术中接入与移动性管理策略无法满足网络需求。需设计高效的移动性管理方案,多接入、多连接的高效协同会话管理机制,才能够满足卫星接入用户体验。
相关技术中定义虚拟网络(Virtual Network,VN)组间组成员通信需要为同一个VN组选择统一的会话管理功能(Session Management Function, SMF);但在基于分布式的网络架构中,相关技术中选择SMF的方式可能会造成选择的SMF与较多的组成员属于不同的分布式节点的问题,导致跨域N4的交互频繁,既浪费了交互资源,又增加了传输时延。
发明内容
本公开实施例的目的在于提供一种会话管理功能选择方法、装置及接入和移动性管理功能网元,以解决相关技术中会话管理功能网元的选择方式无法适用分布式网络的问题。
为了解决上述问题,本公开实施例提供一种会话管理功能选择方法,由接入和移动性管理功能网元执行,该方法包括:
接收第一虚拟网络VN组的会话建立请求;
根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
其中,根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元,包括:
根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
其中,通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
获取所述第一VN组的组签约数据,所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
或者,
根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
其中,所述方法还包括:
从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
和/或,
从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
其中,所述方法还包括:
获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元,包括:
根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
其中,根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元,包括:
根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
其中,为所述第一VN组选择会话管理功能网元之后,所述方法还包括:
在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
本公开实施例还提供一种接入和移动性管理功能网元,包括存储器,收发机,处理器:
存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:
根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组 选择会话管理功能网元。
其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
获取所述第一VN组的组签约数据,所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
或者,
根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
和/或,
从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应 的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
本公开实施例还提供一种会话管理功能选择装置,应用于接入和移动性管理功能网元,该装置包括:
接收单元,用于接收第一虚拟网络VN组的会话建立请求;
选择单元,用于根据第一VN组的成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
本公开实施例还提供一种处理器可读存储介质,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行如上所述的方法。
本公开的上述技术方案至少具有如下有益效果:
本公开实施例的会话管理功能选择方法、装置及接入和移动性管理功能网元中,接入和移动性管理功能网元根据VN组的组成员与分布式节点的对应信息,为VN组选择合适的会话管理功能网元,减少一个VN组对应的会话管理功能网元的跨分布式节点的N4信令数量,减少交互时延,提升交互效率。
附图说明
图1表示本公开实施例可应用的一种无线通信系统的框图;
图2表示本公开实施例提供的会话管理功能选择方法的步骤流程图;
图3表示本公开实施例提供的接入和移动性管理功能网元的结构示意图;
图4表示本公开实施例提供的会话管理功能选择装置的结构示意图。
具体实施方式
为使本公开要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
图1示出本公开实施例可应用的一种无线通信系统的框图。无线通信系统包括终端设备11和网络侧设备12。其中,终端设备11也可以称作终端或者用户终端(User Equipment,UE)。需要说明的是,在本公开实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网,需要说明的是,在本公开实施例中仅以NR系统中的基站为例,但是并不限定基站的具体类型。
本公开实施例中术语“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本公开实施例中术语“多个”是指两个或两个以上,其它量词与之类似。
下面将结合本公开实施例中的附图,对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本公开一部分实施例,并不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
本公开实施例提供的技术方案可以适用于多种系统,尤其是第五代移动通信技术(5th Generation Mobile Communication Technology,5G)系统。例如适用的系统可以是全球移动通讯(global system of mobile communication,GSM)系统、码分多址(code division multiple access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)通用分组无 线业务(general packet radio service,GPRS)系统、长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)系统、高级长期演进(long term evolution advanced,LTE-A)系统、通用移动系统(universal mobile telecommunication system,UMTS)、全球互联微波接入(worldwide interoperability for microwave access,WiMAX)系统、5G新空口(New Radio,NR)系统等。这多种系统中均包括终端设备和网络设备。系统中还可以包括核心网部分,例如演进的分组系统(Evolved Packet System,EPS)、5G系统(5G System,5GS)等。
本公开实施例涉及的终端设备,可以是指向用户提供语音和/或数据连通性的设备,具有无线连接功能的手持式设备、或连接到无线调解调器的其他处理设备等。在不同的系统中,终端设备的名称可能也不相同,例如在5G系统中,终端设备可以称为用户设备(User Equipment,UE)。无线终端设备可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网(Core Network,CN)进行通信,无线终端设备可以是移动终端设备,如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机,例如,可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置,它们与无线接入网交换语言和/或数据。例如,个人通信业务(Personal Communication Service,PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol,SIP)话机、无线本地环路(Wireless Local Loop,WLL)站、个人数字助理(Personal Digital Assistant,PDA)等设备。无线终端设备也可以称为系统、订户单元(subscriber unit)、订户站(subscriber station),移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点(access point)、远程终端设备(remote terminal)、接入终端设备(access terminal)、用户终端设备(user terminal)、用户代理(user agent)、用户装置(user device),本公开实施例中并不限定。
本公开实施例涉及的网络设备,可以是基站,该基站可以包括多个为终端提供服务的小区。根据具体应用场合不同,基站又可以称为接入点,或者可以是接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备,或者其它名称。网络设备可用于将收到的空中帧与网际协议(Internet Protocol,IP)分组进行相互更换,作为无线终端设备与接入网的其余部分之 间的路由器,其中接入网的其余部分可包括网际协议(IP)通信网络。网络设备还可协调对空中接口的属性管理。例如,本公开实施例涉及的网络设备可以是全球移动通信系统(Global System for Mobile communications,GSM)或码分多址接入(Code Division Multiple Access,CDMA)中的网络设备(Base Transceiver Station,BTS),也可以是带宽码分多址接入(Wide-band Code Division Multiple Access,WCDMA)中的网络设备(NodeB),还可以是长期演进(long term evolution,LTE)系统中的演进型网络设备(evolutional Node B,eNB或e-NodeB)、5G网络架构(next generation system)中的5G基站(gNB),也可以是家庭演进基站(Home evolved Node B,HeNB)、中继节点(relay node)、家庭基站(femto)、微微基站(pico)等,本公开实施例中并不限定。在一些网络结构中,网络设备可以包括集中单元(centralized unit,CU)节点和分布单元(distributed unit,DU)节点,集中单元和分布单元也可以地理上分开布置。
网络设备与终端设备之间可以各自使用一或多根天线进行多输入多输出(Multi Input Multi Output,MIMO)传输,MIMO传输可以是单用户MIMO(Single User MIMO,SU-MIMO)或多用户MIMO(Multiple User MIMO,MU-MIMO)。根据根天线组合的形态和数量,MIMO传输可以是二维MIMO(2Dimensions MIMO,2D-MIMO)、三维MIMO(3Dimensions MIMO,3D-MIMO)、全维MIMO(Full Dimension MIMO,FD-MIMO)或大规模MIMO(massive-MIMO),也可以是分集传输或预编码传输或波束赋形传输等。
如图2所示,本公开实施例提供一种会话管理功能选择方法,由接入和移动性管理功能网元执行,该方法包括:
步骤201,接收第一虚拟网络VN组的会话建立请求;
步骤202,根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
可选地,为第一VN组选择会话管理功能网元时,除了根据第一VN组与分布式节点的对应信息之前,还需要参考会话建立请求对应的会话建立需求,如切片标识单个网络切片选择辅助信息(Single-NetworkSliceSelection Assistance Information,S-NSSAI)、负载情况、位置信息等,在此不做具体限 定。
在本公开的至少一个实施例中,步骤202之后,所述方法还包括:
在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
可选地,接入和移动性管理功能网元根据组成员的规律移动,预测组成员发生分布式节点间的移动。
换言之,如果在预测已经选择会话管理功能网元的VN组的组成员的移动导致较多组成员发生跨分布式节点的移动,则接入和移动性管理功能网元根据组成员移动后所属的分布式节点信息,发起会话管理功能网元的重选过程;重选会话管理功能网元的方式与步骤202中选择会话管理功能网元的方式相同。
作为一个可选实施例,步骤202包括:
根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
可选地,通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
获取所述第一VN组的组签约数据(Group Subscription data),所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
具体的,第一VN组的组成员与分布式节点的对应信息为:组成员所属的分布式节点的标识信息;即在组签约数据中增加组成员所属的分布式节点的标识。例如,网络配置各个组成员信息时,携带各个组成员会话建立前所在分布式节点的标识。
例如,对于第一VN组,在第一VN组对应的组签约数据的用户永久标识符(SUbscription Permanent Identifier,SUPI)中增强分布式微云单元(Small Cloud Unit,SCU)ID;例如,组签约数据包括:(SUPI 1,SCU 1)、(SUPI 2, SCU 2)、(SUPI 3,SCU 3)等。(SUPI 1,SCU 1)表明:SUPI 1标识的组成员所属的分布式节点为SCU 1。
可选地,所述方法还包括:
获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元,包括:
根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
例如,会话管理功能网元向NRF分布式节点和/或集中式节点注册时携带其归属的分布式节点的标识信息;当接入和移动性管理功能网元查询该会话管理功能网元时,网络存储功能(Network Repository Function,NRF)反馈该会话管理功能网元归属的分布式节点的标识信息,其中,网络存储功能可以是分布式节点也可以是集中式节点。
可选地,若组成员数量最多的分布式节点对应一个会话管理功能网元,则该会话管理功能网元作为所述第一VN组的会话管理功能网元;若组成员数量最多的分布式节点对应至少2个会话管理功能网元,则从至少2个会话管理功能网元中选择1个会话管理功能网元作为所述第一VN组的会话管理功能网元。
其中,从至少2个会话管理功能网元中选择1个会话管理功能网元的方式包括:随机选择1个会话管理功能网元,或者,按照负载需求选择1个会话管理功能网元,或者,按照位置信息选择1个会话管理功能网元,或者,按照其他会话需求参数选择1个会话管理功能网元,在此不做具体限定。
需要说明的是,上述组签约数据可以配置在集中式分布节点或者配置到任何一个分布式节点然后同步给所有的分布式节点。
当接入和移动性管理功能网元收到标识某个VN组的会话建立请求后, 在向NRF获取满足需求的SMF列表后,查找签约数据中的SUPI和SCU ID列表,获取此VN组中组成员数量最多的SCU ID,接入和移动性管理功能网元选择此VN组组成员数量最多的SCU中的会话管理功能网元作为服务该VN组的唯一的会话管理功能网元。
可选地,通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
具体的,第一VN组的组成员与分布式节点的对应信息为:组成员所属的分布式节点的信息。
换言之,接入和移动性管理功能网元基于已经注册到网络的组成员,统计其所在的分布式节点;根据已经注册到网络的组成员所在的分布式节点的信息,预测其他组成员所在的分布式节点。可选的,预测其他组成员所在的分布式节点时还可以参考组成员的移动性。即接入和移动性管理功能网元基于同组已经注册的组成员的分布情况选择组成员数量最多的分布式节点中的会话管理功能网元,作为所述该VN组的会话管理功能网元。
可选地,所述方法还包括:
获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元,包括:
根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
例如,会话管理功能网元向NRF分布式节点和/或集中式节点注册时携带其归属的分布式节点的标识信息;当接入和移动性管理功能网元查询该会话管理功能网元时,网络存储功能(Network Repository Function,NRF)反 馈该会话管理功能网元归属的分布式节点的标识信息。
可选地,若组成员数量最多的分布式节点对应一个会话管理功能网元,则该会话管理功能网元作为所述第一VN组的会话管理功能网元;若组成员数量最多的分布式节点对应至少2个会话管理功能网元,则从至少2个会话管理功能网元中选择1个会话管理功能网元作为所述第一VN组的会话管理功能网元。
其中,从至少2个会话管理功能网元中选择1个会话管理功能网元的方式包括:随机选择1个会话管理功能网元,或者,按照负载需求选择1个会话管理功能网元,或者,按照位置信息选择1个会话管理功能网元,或者,按照其他会话需求参数选择1个会话管理功能网元,在此不做具体限定。
在本公开的至少一个实施例中,所述方法还包括:
从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
和/或,
从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
本公开实施例中,网络数据分析功能网元增加对各个VN组的组成员活跃度的统计;或者,网络数据分析功能网元增加对各个VN组的组成员的移动性统计。
例如,网络数据分析功能网元获取第一VN组的组成员信息,基于网络数据分析功能网元的移动性分析或者活跃度分析,预测各个组成员所在的分布式节点,从而辅助接入和移动性管理功能网元确定活跃度最高的分布式节点,并选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
可选地,所述方法还包括:
获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选 择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元,包括:
根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
例如,会话管理功能网元向NRF分布式节点和/或集中式节点注册时携带其归属的分布式节点的标识信息;当接入和移动性管理功能网元查询该会话管理功能网元时,网络存储功能(Network Repository Function,NRF)反馈该会话管理功能网元归属的分布式节点的标识信息。
可选地,若活跃度最高的分布式节点对应一个会话管理功能网元,则该会话管理功能网元作为所述第一VN组的会话管理功能网元;若活跃度最高的分布式节点对应至少2个会话管理功能网元,则从至少2个会话管理功能网元中选择1个会话管理功能网元作为所述第一VN组的会话管理功能网元。
其中,从至少2个会话管理功能网元中选择1个会话管理功能网元的方式包括:随机选择1个会话管理功能网元,或者,按照负载需求选择1个会话管理功能网元,或者,按照位置信息选择1个会话管理功能网元,或者,按照其他会话需求参数选择1个会话管理功能网元,在此不做具体限定。
在本公开的又一个可选实施例中,步骤202包括:
根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
可选地,在分布式节点的网络功能NF(如移动和接入管理功能AMF、统一数据管理功能UDM或网络存储功能NRF等)配置关于各个VN组的相关信息,如在NF上配置对于某个VN组来说,其对应的分布式节点及此分布式节点内可以服务的会话管理功能网元的信息。例如,预先配置如下信息:
【Group1,分布式节点1的会话管理功能网元1】;
【Group2,分布式节点2的会话管理功能网元】。
在第一VN的组标识为Group1的情况下,根据预先配置的上述信息,选择分布式节点1的会话管理功能网元1作为所述第一VN组的会话管理功能网元。或者,在第一VN的组标识为Group2的情况下,根据预先配置的上述信息,选择分布式节点2的任意一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
需要说明的是,在各个分布式节点中,一般归属于该分布式节点的组成员的用户面路径都在这个分布式节点中建立,在此不做重复赘述。
综上,本公开实施例中,接入和移动性管理功能网元根据VN组与分布式节点的对应信息,为VN组选择合适的会话管理功能网元,减少一个VN组对应的会话管理功能网元的跨分布式节点的N4信令数量,减少交互时延,提升交互效率。
如图3所示,本公开实施例还提供一种接入和移动性管理功能网元,包括存储器320,收发机310,处理器300:
存储器320,用于存储计算机程序;收发机310,用于在所述处理器300的控制下收发数据;处理器300,用于读取所述存储器320中的计算机程序并执行以下操作:
接收第一虚拟网络VN组的会话建立请求;
根据第一VN组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
作为一个可选实施例,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
作为一个可选实施例,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
选择组成员数量最多的分布式节点中一个会话管理功能网元,作为所述 第一VN组的会话管理功能网元;或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
作为一个可选实施例,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
获取所述第一VN组的组签约数据,所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
或者,
根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
作为一个可选实施例,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
和/或,
从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
作为一个可选实施例,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
作为一个可选实施例,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提 供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
其中,在图3中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器300代表的一个或多个处理器和存储器320代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机310可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元,这些传输介质包括无线信道、有线信道、光缆等传输介质。处理器300负责管理总线架构和通常的处理,存储器320可以存储处理器300在执行操作时所使用的数据。
处理器300可以是中央处理器(Central Processing Unit,CPU)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device,CPLD),处理器也可以采用多核架构。
本公开实施例中,接入和移动性管理功能网元根据VN组与分布式节点的对应信息,为VN组选择合适的会话管理功能网元,减少一个VN组对应的会话管理功能网元的跨分布式节点的N4信令数量,减少交互时延,提升交互效率。
需要说明的是,本公开实施例提供的上述接入和移动性管理功能网元,能够实现上述方法实施例所实现的所有方法步骤,且能够达到相同的技术效果,在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
如图4所示,本公开实施例还提供一种会话管理功能选择装置,应用于接入和移动性管理功能网元,该装置包括:
接收单元401,用于接收第一虚拟网络VN组的会话建立请求;
选择单元402,用于根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
作为一个可选实施例,所述装置还包括:
重选单元,用于在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
作为一个可选实施例,所述选择单元包括:
第一确定子单元,用于根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
第一选择子单元,用于选择组成员数量最多的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元;或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
作为一个可选实施例,通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
获取所述第一VN组的组签约数据,所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
或者,
根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
作为一个可选实施例,所述装置还包括:
第二获取单元,用于从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
和/或,
第三确定单元,用于从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
作为一个可选实施例,所述装置还包括:
第三获取单元,用于获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
所述第一选择子单元进一步用于:
根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
作为一个可选实施例,所述选择单元包括:
第二选择子单元,用于根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
本公开实施例中,接入和移动性管理功能网元根据VN组与分布式节点的对应信息,为VN组选择合适的会话管理功能网元,减少一个VN组对应的会话管理功能网元的跨分布式节点的N4信令数量,减少交互时延,提升交互效率。
需要说明的是,本公开实施例提供的上述装置,能够实现上述方法实施例所实现的所有方法步骤,且能够达到相同的技术效果,在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
需要说明的是,本公开实施例中对单元的划分是示意性的,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式。另外,在本公开各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个处理器可读取存储介质中。基于这样的理解,本公开的技术方案本质上或者说对相关技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)或处理器(processor)执行本公开各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory, RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
本公开实施例还提供一种处理器可读存储介质,所述处理器可读存储介质存储有计算机程序,所述计算机程序用于使所述处理器执行如上所述的会话管理功能选择方法实施例中的各个步骤。所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备,包括但不限于磁性存储器(例如软盘、硬盘、磁带、磁光盘(Magneto-Optical,MO)等)、光学存储器(例如激光唱片(Compact Disk,CD)、数字通用光盘(Digital Versatile Disc,DVD)、蓝光光碟(Blu-ray Disc,BD)、高清通用光盘(High-Definition Versatile Disc,HVD)等)、以及半导体存储器(例如ROM、可擦除可编程只读存储器(Erasable Programmable Read-Only Memory,EPROM)、带电可擦可编程只读存储器(Electrically Erasable Programmableread only memory,EEPROM)、非易失性存储器(NAND FLASH)、固态硬盘(Solid State Disk,SSD))等。
需要说明的是,应理解以上各个模块的划分仅仅是一种逻辑功能的划分,实际实现时可以全部或部分集成到一个物理实体上,也可以物理上分开。且这些模块可以全部以软件通过处理元件调用的形式实现;也可以全部以硬件的形式实现;还可以部分模块通过处理元件调用软件的形式实现,部分模块通过硬件的形式实现。例如,确定模块可以为单独设立的处理元件,也可以集成在上述装置的某一个芯片中实现,此外,也可以以程序代码的形式存储于上述装置的存储器中,由上述装置的某一个处理元件调用并执行以上确定模块的功能。其它模块的实现与之类似。此外这些模块全部或部分可以集成在一起,也可以独立实现。这里所述的处理元件可以是一种集成电路,具有信号的处理能力。在实现过程中,上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如,各个模块、单元、子单元或子模块可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个特定集成电路(Application Specific Integrated Circuit,ASIC),或,一个或多个微处理器(digital signal processor,DSP),或,一个或者多个现场可编程门阵列(Field Programmable Gate Array,FPGA)等。再如,当以上某个模块通过处理元件调度程序代码的形式实现时,该处理元件可以是通用处理器,例如中央处理器(Central Processing Unit, CPU)或其它可以调用程序代码的处理器。再如,这些模块可以集成在一起,以片上系统(system-on-a-chip,SOC)的形式实现。
本公开的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便这里描述的本公开的实施例,例如除了在这里图示或描述的那些以外的顺序实施。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外,说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一,例如A和/或B和/或C,表示包含单独A,单独B,单独C,以及A和B都存在,B和C都存在,A和C都存在,以及A、B和C都存在的7种情况。类似地,本说明书以及权利要求中使用“A和B中的至少一个”应理解为“单独A,单独B,或A和B都存在”。
本领域内的技术人员应明白,本公开的实施例可提供为方法、系统、或计算机程序产品。因此,本公开可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本公开可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本公开是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机可执行指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机可执行指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些处理器可执行指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的处理器可读存储器中,使得存储在该处理器可读存储 器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些处理器可执行指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样,倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内,则本公开也意图包含这些改动和变型在内。

Claims (22)

  1. 一种会话管理功能选择方法,由接入和移动性管理功能网元执行,该方法包括:
    接收第一虚拟网络VN组的会话建立请求;
    根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
  2. 根据权利要求1所述的方法,其中,根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元,包括:
    根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
    选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
  3. 根据权利要求2所述的方法,其中,通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
    获取所述第一VN组的组签约数据,所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
    或者,
    根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
  4. 根据权利要求2所述的方法,其中,所述方法还包括:
    从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
    和/或,
    从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
  5. 根据权利要求2所述的方法,其中,所述方法还包括:
    获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
    选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元,包括:
    根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
    将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
  6. 根据权利要求1所述的方法,其中,根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元,包括:
    根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
  7. 根据权利要求1所述的方法,其中,为所述第一VN组选择会话管理功能网元之后,所述方法还包括:
    在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
  8. 一种接入和移动性管理功能网元,包括存储器,收发机,处理器:
    存储器,用于存储计算机程序;收发机,用于在所述处理器的控制下收发数据;处理器,用于读取所述存储器中的计算机程序并执行以下操作:
    根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
  9. 根据权利要求8所述的接入和移动性管理功能网元,其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
    根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
    选择组成员数量最多的分布式节点中一个会话管理功能网元,或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
  10. 根据权利要求9所述的接入和移动性管理功能网元,其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
    通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
    获取所述第一VN组的组签约数据,所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
    或者,
    根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
  11. 根据权利要求9所述的接入和移动性管理功能网元,其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
    从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
    和/或,
    从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
  12. 根据权利要求9所述的接入和移动性管理功能网元,其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
    获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
    根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
    将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
  13. 根据权利要求8所述的接入和移动性管理功能网元,其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
    根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
  14. 根据权利要求8所述的接入和移动性管理功能网元,其中,所述处理器还用于读取所述存储器中的计算机程序并执行以下操作:
    在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
  15. 一种会话管理功能选择装置,应用于接入和移动性管理功能网元,该装置包括:
    接收单元,用于接收第一虚拟网络VN组的会话建立请求;
    选择单元,用于根据第一VN组的组成员与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
  16. 根据权利要求15所述的会话管理功能选择装置,其中,所述选择单元包括:
    第一确定子单元,用于根据第一VN组的组成员与分布式节点的对应信息,确定第一VN组的组成员所在的分布式节点;
    第一选择子单元,用于选择组成员数量最多的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元;或者,选择组成员活跃度最高的分布式节点中一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
  17. 根据权利要求16所述的会话管理功能选择装置,其中,通过以下方式得到第一VN组的组成员与分布式节点的对应信息:
    获取所述第一VN组的组签约数据,所述组签约数据中包括:第一VN组的组成员与分布式节点的对应信息;
    或者,
    根据已经注册到网络中的第一VN组的组成员所在的分布式节点的信息,确定第一VN组的组成员与分布式节点的对应信息。
  18. 根据权利要求16所述的会话管理功能选择装置,其中,所述装置还包括:
    第二获取单元,用于从网络数据分析功能网元获取第一VN组中组成员的活跃度信息以及组成员所在的分布式节点;
    和/或,
    第三确定单元,用于从网络数据分析功能网元获取第一VN组中组成员的移动性信息,根据组成员的移动性信息,确定第一VN组中组成员的活跃度信息以及组成员所在的分布式节点。
  19. 根据权利要求16所述的会话管理功能选择装置,其中,所述装置还包括:
    第三获取单元,用于获取满足会话建立需求的会话管理功能网元归属的分布式节点的标识信息;
    所述第一选择子单元进一步用于:
    根据会话管理功能网元归属的分布式节点的标识信息,从标识信息对应的分布式节点中选择组成员数量最多或活跃度最高的分布式节点;
    将选择的分布式节点中的至少一个会话管理功能网元作为所述第一VN组的会话管理功能网元。
  20. 根据权利要求15所述的会话管理功能选择装置,其中,所述选择单元包括:
    第二选择子单元,用于根据预先配置的组标识对应的分布式节点以及所述分布式节点中能够提供会话服务的会话管理功能网元的标识,选择与所述第一VN组的组标识对应的分布式节点中的一个会话管理功能网元,作为所述第一VN组的会话管理功能网元。
  21. 根据权利要求15所述的会话管理功能选择装置,其中,所述装置还包括:
    重选单元,用于在判定第一VN组的组成员发生分布式节点间移动的情况下,重新根据第一VN组与分布式节点的对应信息,为所述第一VN组选择会话管理功能网元。
  22. 一种处理器可读存储介质,所述处理器可读存储介质存储有计算机 程序,所述计算机程序用于使所述处理器执行权利要求1至7任一项所述的方法。
PCT/CN2023/120943 2022-09-30 2023-09-25 会话管理功能选择方法、装置及接入和移动性管理功能网元 WO2024067444A1 (zh)

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