CN115665762A

CN115665762A - Local area network local exchange control method and system, and user plane function network element

Info

Publication number: CN115665762A
Application number: CN202110779534.9A
Authority: CN
Inventors: 李文苡; 陈洁; 谢沛荣; 尹君; 梁灝泉; 曹磊; 王敏
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2023-01-31

Abstract

The disclosure relates to a local area network local exchange control method and system, and a user plane functional network element. The local exchange control method of the local area network comprises the following steps: a user plane function network element configures a virtual network group of a local area network; in the process of establishing a protocol data unit session by a user terminal, a user plane functional network element judges whether the user terminal belongs to a virtual network group; and under the condition that the user terminal belongs to the virtual network group, the user plane function network element configures a forwarding rule according to the rule issued by the session management function network element and the rule of the 5G local area network, and performs data forwarding of local exchange of the local area network. The present disclosure may control 5G LAN local switching through a single UPF in order to simplify management and communication of VN groups.

Description

Local area network local exchange control method and system, and user plane function network element

Technical Field

The present disclosure relates to the field of wireless communications, and in particular, to a local area network local exchange control method and system, and a user plane functional network element.

Background

The 3gpp r16 defines new characteristics of a 5G LAN (Local Area Network). The 5G LAN can provide a Virtual Data Network for the client, and a group of terminals subscribing to the same slice and DNN (Data Network Name) is designated as a 5G VN (Virtual Network) group, and the terminals in the group can communicate through local switching or multiple ways based on N19 or N6.

Disclosure of Invention

The inventor discovers through research that: the 5G LAN has requirements for 5GC (5G core network) network elements including UDM (Unified Data Management network element), AMF (Access and Mobility Management Function network element Access and Mobility Management Function), SMF (Session Management Function network element), and UPF (User Plane Function network element), and if the 5G LAN service is implemented by deploying UPF in an industry client park, it is necessary to have upgrading and transforming requirements for a plurality of network elements of the public network, which affects the operation of the public network.

In view of at least one of the above technical problems, the present disclosure provides a local area network local switching control method and system, and a user plane function network element, which can control 5G LAN local switching through a single UPF.

According to an aspect of the present disclosure, there is provided a local area network local switching control method, including:

a user plane function network element configures a VN group of a local area network;

in the process of establishing a protocol data unit session by a User Equipment (UE), a User plane functional network element judges whether the UE belongs to a virtual network group;

and under the condition that the user terminal belongs to the virtual network group, the user plane functional network element performs local exchange data forwarding of the local area network according to the rules issued by the session management functional network element and the rules configuration forwarding rules of the 5G local area network.

In some embodiments of the present disclosure, the configuring, by the user plane functional network element, a forwarding rule according to a rule issued by the session management functional network element and a rule of the 5G local area network, and the forwarding data locally exchanged by the local area network includes:

the user plane function network element establishes a message detection rule and a forwarding operation rule according to a rule issued by the session management function network element and a rule of the 5G local area network;

and the user plane function network element performs data forwarding in the virtual network group according to the message detection rule and the forwarding operation rule, so that the user plane function network element realizes the 5G local area network function.

In some embodiments of the present disclosure, the forwarding, by the user plane function network element, data in the virtual network group according to the packet detection rule and the forwarding operation rule includes:

and the user plane functional network element forwards at least one of unicast, multicast and broadcast data in the virtual network group.

In some embodiments of the disclosure, the configuring the virtual network group of the local area network by the user plane function network element includes:

and configuring a group identifier, group members and group data of the virtual network group by the user plane function network element, wherein the group data comprises a data network name and single network slice selection auxiliary information.

In some embodiments of the present disclosure, the determining, by the user plane function network element, whether the user terminal belongs to a virtual network group includes:

a user plane function network element receives a setup request message sent by a session management function unit, wherein the setup request message comprises a user terminal identifier, a data network name and single network slice selection auxiliary information;

and the user plane functional network element judges whether the user terminal is a member of the virtual network group according to the user terminal identification, the data network name and the single network slice selection auxiliary information so as to judge whether the user terminal belongs to the virtual network group.

In some embodiments of the present disclosure, in the local area network local exchange control method, the user plane function network element completely implements a 5G local area network function.

According to another aspect of the present disclosure, there is provided a user plane function network element, including:

the virtual network group configuration module is used for configuring a virtual network group of the local area network;

the local exchange control module is used for judging whether the user terminal belongs to a virtual network group or not in the process of establishing the protocol data unit session by the user terminal; and under the condition that the user terminal belongs to the virtual network group, configuring a forwarding rule according to a rule issued by the session management function network element and a rule of the 5G local area network, and forwarding data locally exchanged by the local area network.

In some embodiments of the present disclosure, the user plane function network element is configured to perform an operation for implementing the local area network local exchange control method according to any of the above embodiments.

a memory to store instructions;

a processor, configured to execute the instruction, so that the user plane function network element performs an operation of implementing the local area network local exchange control method according to any of the above embodiments.

According to another aspect of the present disclosure, there is provided a local area network local switching control system, including the user plane functional network element as described in any of the above embodiments.

According to another aspect of the present disclosure, a non-transitory computer-readable storage medium is provided, wherein the non-transitory computer-readable storage medium stores computer instructions, which when executed by a processor, implement the local area network local switching control method according to any one of the above embodiments.

The present disclosure may control 5G LAN local switching through a single UPF in order to simplify management and communication of VN groups.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of some embodiments of related art standard 5G LAN networking.

Fig. 2 is a schematic diagram of some embodiments of a local area network local switching control system of the present disclosure.

Fig. 3 is a schematic diagram of some embodiments of a local area network local exchange control method according to the disclosure.

Fig. 4 is a diagram illustrating a method for a UE to establish a PDU session in some embodiments of the related art.

Fig. 5 is a diagram illustrating a method for a UE to establish a PDU session in another embodiment of the related art.

Fig. 6 is a diagram illustrating a method for a UE to establish a PDU session in some embodiments of the present disclosure.

Fig. 7 is a schematic diagram of some embodiments of a user plane functional network element according to the present disclosure.

Fig. 8 is a schematic structural diagram of another embodiment of a user plane function network element according to the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the embodiments described are only some embodiments of the present disclosure, rather than all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The inventor finds that: the related art 3gpp R16 defines support for 5G LAN type services, and the 5G LAN can implement the following functions:

VN group management: and writing the subscription information of the VN group in the UDM through an AF (Application Function, application Function Network element)/NEF (Network open Function Network element) or a Network manager.

And session management: when a PDU (Protocol Data Unit) session is established, the AMF selects an SMF supporting a 5G LAN, the SMF selects a UPF according to the contract of the 5G LAN, and a rule is issued to the UPF according to a forwarding mode.

User plane data forwarding: and the UPF forwards the data packet according to the rule issued by the SMF.

Fig. 1 is a schematic diagram of some embodiments of related art standard 5G LAN networking. The related art standard way networking is shown in fig. 1. The 5GC network elements (grey boxes) and associated interfaces in fig. 1 both require functional enhancements to support 5G LANs, where:

AF. NEF, UDM, including the operator's IT system, needs to support VN group management functions.

The AMF selects an SMF supporting the 5G LAN according to the 5G LAN subscription.

SMF and UPF support 5G LAN communication function.

The standard way may be to implement unicast (e.g. connection line between UPF and UE1 and UE2, respectively), multicast/broadcast (e.g. connection line between UPF and UE1, UE2 and UE3, respectively) within the VN group.

Thus, 5G LANs have functional and interface enhancement requirements for UDM, AMF, SMF, UPF. If an enterprise only needs to deploy one UPF in one park, in order to support the 5G LAN service of the enterprises, the corresponding network element of the province level or the national large district level must be upgraded and modified, and the operation and maintenance work of the whole network is increased.

In view of at least one of the above technical problems, the present disclosure provides a local area network local exchange control method and system, a user plane function network element, and a storage medium, and the present disclosure is described below with specific embodiments.

Fig. 2 is a schematic diagram of some embodiments of the disclosed local area network local switching control system. Fig. 2 is a schematic diagram of the disclosed 5G LAN networking.

As shown in fig. 2, the UPF (grey box) in fig. 2 performs the function enhancement, and the other network elements (white boxes) are not changed:

UPF, for configuring VN group, including group ID, group members (e.g. UE1, UE2, UE 3), group data (e.g. DNN, S-NSSAI).

In some embodiments of the present disclosure, multiple groups (e.g., group 1, group 2) may be configured.

The UPF may also be configured to, when UE1, UE2, and UE3 establish a PDU session, determine whether the UE belongs to the VN group according to the USER ID, DNN, S-NSSAI, PDR, and FAR rules issued by the SMF. If yes, configuring a forwarding rule according to a standard mode of 5G LAN local exchange; if not, configuring a forwarding rule according to the rule issued by the SMF.

In some embodiments of the disclosure, the disclosure may also implement the functionality in a standard manner: unicast (e.g., connection lines between UPF and UE1 and UE2, respectively), multicast/broadcast (e.g., connection lines between UPF and UE1, UE2, and UE3, respectively) may be performed within the VN group.

The local area network local exchange control system provided by the above embodiment of the present disclosure is to add configuration and control on a VN group on the basis that a park UPF supports a 5G LAN function in a standard, so that the UPF realizes the 5G LAN function completely without affecting other network elements.

Fig. 3 is a schematic diagram of some embodiments of a local area network local exchange control method according to the disclosure. Preferably, this embodiment may be executed by the user plane function network element of the present disclosure or a local area network local switching control system of the present disclosure (for example, the local area network local switching control system of the embodiment in fig. 2). As shown in fig. 3, the method may comprise at least one of steps 31-33:

step 31, the user plane functional network element configures a virtual network group of the local area network.

In some embodiments of the present disclosure, step 31 may comprise: the user plane function Network element configures a group identifier, group members, and group data of a virtual Network group, where the group data may include a Data Network Name (DNN) and an S-NSSAI (Single Network Slice Selection Assistance Information).

Step 32, in the process of establishing the protocol data unit session by the user terminal, the user plane functional network element determines whether the user terminal belongs to the virtual network group.

In some embodiments of the present disclosure, the step of the user plane function network element determining whether the user terminal belongs to the virtual network group in step 32 may include at least one of steps 321 to 322, where:

in step 321, the user plane function network element receives a setup request message sent by the session management function unit, where the setup request message includes a user terminal identifier and network slice selection auxiliary information with a single data network name.

In some embodiments of the present disclosure, step 321 may include: UPF receives USER ID (USER identification), DNN, S-NSSAI information sent by SMF through N4 message.

In step 322, the user plane functional network element determines whether the user terminal is a member of the virtual network group according to the user terminal identifier, the data network name, and the single network slice selection auxiliary information, so as to determine whether the user terminal belongs to the virtual network group.

In some embodiments of the present disclosure, step 322 may comprise: and the UPF judges whether the UE belongs to a VN group or not according to the USER ID, the DNN, the S-NSSAI information and the pre-configured VN group.

And step 33, under the condition that the user terminal belongs to the virtual network group, the user plane functional network element configures a forwarding rule according to the rule issued by the session management functional network element and the rule of the 5G local area network, and performs local exchange data forwarding of the local area network.

In some embodiments of the present disclosure, in step 33, the step of configuring, by the user plane function network element, a forwarding rule according to a rule issued by the session management function network element and a rule of the 5G local area network, and the step of forwarding the data locally exchanged by the local area network may include at least one of step 331 and step 332, where:

and step 331, the user plane function network element establishes a message detection rule and a forwarding operation rule according to the rule issued by the session management function network element and the rule of the 5G local area network.

Step 332, the user plane functional network element performs data forwarding in the virtual network group according to the message detection rule and the forwarding operation rule, so that the user plane functional network element realizes the 5G local area network function.

In some embodiments of the present disclosure, step 332 may comprise: and the user plane functional network element forwards at least one of unicast, multicast and broadcast data in the virtual network group.

In some embodiments of the present disclosure, the local area network local switching control method may further include:

step 34, under the condition that the user terminal does not belong to the virtual network group, the user plane function network element configures a forwarding rule according to the rule issued by the session management function network element, and performs data forwarding.

In some embodiments of the present disclosure, the local area network local exchange control method completely implements a 5G local area network function by the user plane function network element.

Based on the local area network local exchange control method provided by the above embodiment of the present disclosure, the 5G LAN local exchange may be controlled by a single UPF, so as to simplify the management and communication of the VN group, avoid upgrading a plurality of control network elements of the public network, conveniently and quickly deploy an edge or a campus UPF, and flexibly manage the VN group by a customer.

The embodiments of the present disclosure are applicable to data forwarding in a local exchange manner between UEs in a VN group in a UPF.

The embodiment of the disclosure provides a method and a system for controlling local exchange of a 5G LAN by a single UPF (unified power flow), belonging to the field of wireless communication and terminals.

Fig. 4 is a diagram illustrating a method for a UE to establish a PDU session in some embodiments of the related art. As shown in fig. 4, the PDU session setup method of the present disclosure may include at least one of steps 41 to 45, wherein:

in step 41, the ue requests the establishment of a PDU session.

Step 42, AMF selects SMF.

Step 43, the smf retrieves the subscription information from the UDM.

In step 44, the SMF selects a UPF and issues a rule.

And step 45, the UPF forwards the data according to the rule.

Fig. 5 is a diagram illustrating a method for establishing a PDU session by a UE in other embodiments of the related art. To implement 5G LAN, the PDU session setup procedure described above is enhanced as shown in fig. 5, the PDU session setup method of the present disclosure may include at least one of steps 51 to 55, and steps 52 to 55 in the embodiment of fig. 5 are all enhanced as compared with steps 42 to 45 in the embodiment of fig. 4, where:

in step 41, the ue requests the establishment of a PDU session.

And step 52, judging the VN group by the AMF, and selecting the SMF.

In step 53, the smf obtains VN group subscription information from the UDM.

And step 54, the SMF judges the VN group, selects the UPF and issues a forwarding rule in the VN group.

And step 55, the UPF forwards the data in the VN group according to the rule.

The method for establishing the PDU session by the UE in the embodiment of fig. 5 may be performed by the local area network local exchange control system in the embodiment of fig. 2 in the present disclosure.

Fig. 6 is a diagram illustrating a method for a UE to establish a PDU session in some embodiments of the present disclosure. To implement 5G LAN, the PDU session setup procedure described above is enhanced as shown in fig. 6, the PDU session setup method of the present disclosure may include at least one of steps 61 to 65, and step 65 of the embodiment of fig. 5 is enhanced as compared with step 45 of the embodiment of fig. 4, where:

in step 41, the ue requests the establishment of a PDU session.

Step 42, AMF selects SMF.

Step 43, the smf retrieves the subscription information from the UDM.

In step 44, the SMF selects UPF and issues rules.

And step 65, the UPF forwards the data in the VN group according to the VN group configuration rule.

In some embodiments of the present disclosure, step 65 may include any of the above-described embodiments of the present disclosure (e.g., the embodiment of fig. 3) local area network local exchange control methods.

The method for establishing the PDU session by the UE in the embodiment of fig. 6 may be performed by the local area network local exchange control system in the embodiment of fig. 2 in the present disclosure.

In the 5G LAN technology currently defined by the related art, functionality enhancement needs to be performed on multiple network elements of the 5GC, and VN group update of a customer needs to be managed by depending on an operator network.

The embodiment of the disclosure provides a method and a system for controlling 5G LAN VN group communication by a single UPF, which realizes that the function of 5G LAN is realized only by UPF function enhancement, thereby facilitating the group management of the customer and avoiding the influence of upgrading on most network elements in the operator network.

The above-described embodiments of the present disclosure are described below by way of specific examples.

For the local area network local switching control system in the embodiment of fig. 2 of the present application, a customer deploys a UPF in a campus, and the UPF supports a standard 5G LAN function defined by 3 GPP. In addition, the customer can configure 2 VN groups on the UPF, respectively a production group and a detection group. For example, the DNN corresponding to the production group is product, S-NSSAI is 1001H, 3 UEs are defined in the group, and the DNN corresponds to the production machine 1, 2 or 3, and the DNN corresponds to the production machine M1@ product.c1.Com, the M2@ product.c1.Com, and the M3@ product.c1.Com. UE1, UE2, and UE3 in VN1 group 1 in fig. 2 correspond to production machines M1, M2, and M3, respectively. The UE needs to number and account for the operator's 5G network.

In the production process, M2 can carry out the next operation only by waiting for the M1 to send an instruction; if M1 generates alarm, it needs to send alarm information to M3 and inform M2 to suspend operation.

And each machine is on line after being started, and registers and establishes PDU session in the 5G network. In the process of establishing the session, the SMF sends an establishment request message to the UPF, the USER ID carried in the message is the UE identification, and DNN and S-NSSAI are both sent to the UPF. UPF judges UE is member of production group according to USER ID, DNN and S-NSSAI, ignores rule required by SMF, and configures PDR and FAR unicast/multicast/broadcast rule according to 5G LAN requirement of 3GPP standard. In the subsequent production process, when the UPF receives the data packet of M1, the UPF judges whether the data packet is unicast or multicast, and then forwards the data packet according to the rule.

The above embodiments of the present disclosure may configure the VN group through the UPF; in the PDU session establishment process in the above embodiment of the present disclosure, the UPF determines whether the PDU belongs to the VN group, and configures a corresponding rule, thereby implementing a local exchange function under a 5G LAN single UPF.

Fig. 7 is a schematic diagram of some embodiments of a user plane functional network element according to the present disclosure. As shown in fig. 7, the user plane functional network element (e.g., UPF in the embodiment of fig. 2) of the present disclosure may include a virtual network group configuration module 71 and a local switching control module 72, where:

a virtual network group configuration module 71, configured to configure a virtual network group of the local area network.

In some embodiments of the present disclosure, virtual network group configuration module 71 may be configured to configure a group identification, group members, and group data of a virtual network group, wherein the group data includes a data network name and single network slice selection assistance information.

The local switching control module 72 is configured to determine whether a user terminal belongs to a virtual network group in a process of establishing a protocol data unit session by the user terminal; and under the condition that the user terminal belongs to the virtual network group, configuring a forwarding rule according to a rule issued by the session management function network element and a rule of the 5G local area network, and forwarding data locally exchanged by the local area network.

In some embodiments of the present disclosure, the local switching control module 72 may be configured to establish a message detection rule and a forwarding operation rule according to a rule issued by a session management function network element and a rule of a 5G local area network; and forwarding data in the virtual network group according to the message detection rule and the forwarding operation rule so as to realize the 5G local area network function by the user plane functional network element.

In some embodiments of the present disclosure, the local switching control module 72 may be configured for at least one of unicast, multicast, and broadcast data forwarding within the virtual network group.

In some embodiments of the present disclosure, the local switching control module 72 may be configured to receive a setup request message sent by the session management function unit, where the setup request message includes a user terminal identifier, a data network name, and single network slice selection assistance information; and selecting auxiliary information according to the user terminal identification, the data network name and the single network slice, and judging whether the user terminal is a member of the virtual network group so as to judge whether the user terminal belongs to the virtual network group.

In some embodiments of the present disclosure, the user plane functional network element may be configured to configure a forwarding rule according to a rule issued by the session management functional network element to forward data when the user terminal does not belong to the virtual network group.

In some embodiments of the present disclosure, the user plane function network element may be configured to perform an operation for implementing the local area network local switching control method according to any of the above embodiments (for example, the embodiment of fig. 3).

The user plane function network element proposed by the above embodiment of the present disclosure is a basis for supporting a 5G LAN function in a standard for a campus UPF, and adds configuration and control on a VN group, so that the UPF realizes the 5G LAN function completely without affecting other network elements.

Fig. 8 is a schematic structural diagram of another embodiment of a user plane functional network element according to the present disclosure. As shown in fig. 8, the user plane functional network element comprises a memory 81 and a processor 82.

The memory 81 is used for storing instructions, the processor 82 is coupled to the memory 81, and the processor 82 is configured to execute the local area network local switching control method according to any one of the above-mentioned embodiments (for example, the embodiment of fig. 3) based on the instructions stored in the memory.

As shown in fig. 8, the user plane function network element further comprises a communication interface 83 for information interaction with other devices. Meanwhile, the user plane function network element further includes a bus 84, and the processor 82, the communication interface 83, and the memory 81 complete mutual communication through the bus 84.

The memory 81 may include a high-speed RAM memory, and may further include a non-volatile memory (e.g., at least one disk memory). The memory 81 may also be a memory array. The storage 81 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.

Further, the processor 82 may be a central processing unit CPU, or may be an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement embodiments of the present disclosure.

Based on the user plane function network element provided by the embodiment of the disclosure, the local switching of the 5G LAN can be controlled through the single UPF, so that the management and communication of the VN group are simplified, the upgrading of a plurality of control network elements of the public network is avoided, the edge or campus UPF can be conveniently and quickly deployed, and the VN group is flexibly managed by a client.

According to another aspect of the present disclosure, a non-transitory computer-readable storage medium is provided, wherein the non-transitory computer-readable storage medium stores computer instructions, and the instructions when executed by a processor implement the local area network local switching control method according to any one of the embodiments (for example, the embodiment of fig. 3) above.

The above embodiment of the present disclosure provides a non-transitory computer-readable storage medium, which can control a 5G LAN VN group communication through a single UPF, and implement a function of implementing a 5G LAN only through a function enhancement of the UPF, thereby facilitating group management of a customer and avoiding that most network elements in an operator network are affected by upgrading.

As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, apparatus, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.

The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

The functional elements described above may be implemented as a general purpose processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any suitable combination thereof designed to perform the functions described herein.

Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware to implement the above embodiments, where the program may be stored in a non-transitory computer readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic or optical disk, and the like.

The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A local area network local exchange control method is characterized by comprising the following steps:

a user plane function network element configures a virtual network group of a local area network;

in the process of establishing a protocol data unit session by a user terminal, a user plane functional network element judges whether the user terminal belongs to a virtual network group;

2. The local area network local exchange control method of claim 1, wherein the step of the user plane functional network element configuring the forwarding rule according to the rule issued by the session management functional network element and the rule of the 5G local area network, and the step of forwarding the data locally exchanged by the local area network comprises:

the user plane functional network element establishes a message detection rule and a forwarding operation rule according to a rule issued by the session management functional network element and a rule of the 5G local area network;

and the user plane functional network element performs data forwarding in the virtual network group according to the message detection rule and the forwarding operation rule so as to realize the 5G local area network function by the user plane functional network element.

3. The local area network local switching control method of claim 2, wherein the step of the user plane function network element forwarding data in the virtual network group according to the packet detection rule and the forwarding operation rule comprises:

4. The local area network local switching control method of any one of claims 1 to 3, wherein the configuring of the virtual network group of the local area network by the user plane function network element comprises:

5. The local area network local switching control method of claim 4, wherein the determining, by the user plane function network element, whether the ue belongs to the virtual network group includes:

a user plane functional network element receives an establishment request message sent by a session management functional unit, wherein the establishment request message comprises a user terminal identifier, a data network name and single network slice selection auxiliary information;

and the user plane function network element judges whether the user terminal is a member of the virtual network group according to the user terminal identification, the data network name and the single network slice selection auxiliary information so as to judge whether the user terminal belongs to the virtual network group.

6. Local area network local switching control method according to any of claims 1-4,

the local exchange control method of the local area network completely realizes the function of the 5G local area network by the user plane function network element.

7. A user plane functional network element, comprising:

8. The user plane functional network element of claim 7, wherein the user plane functional network element is configured to perform an operation for implementing the local area network local exchange control method according to any one of claims 1 to 6.

9. A user plane functional network element, comprising:

a memory to store instructions;

a processor configured to execute the instructions to cause the user plane function network element to perform operations to implement the local area network local switching control method according to any one of claims 1 to 6.

10. A local area network local switching control system, comprising a user plane functionality network element according to any of claims 7-9.

11. A non-transitory computer readable storage medium storing computer instructions which, when executed by a processor, implement the local area network local exchange control method of any one of claims 1-6.