CN112153756B - A data processing method and communication device based on tunnel establishment service - Google Patents

Abstract

The embodiment of the invention discloses a data processing method and communication equipment based on a tunnel establishment service. The method comprises the following steps: a Session Management Function (SMF) obtains a local area network group identifier, and initiates establishment of a tunnel corresponding to the local area network group identifier, where the tunnel is used for transmission of local area network group service data corresponding to the local area network group identifier.

Description

A data processing method and communication device based on tunnel establishment service

technical field

The invention relates to the technical field of wireless communication, in particular to a data processing method and communication equipment based on a tunnel establishment service.

Background technique

In the fifth generation mobile communication network (5G), the concept of Local Area Network Group (LAN Group, Local Area Network Group) is proposed. For enterprise private network, LAN Group is an important granularity. Users in the group need dedicated enterprise The private network tunnel facilitates the access management of the enterprise private network, and is conducive to improving the service experience and quality of enterprise private network users. However, in related technologies, there is currently no effective solution for how to establish a LAN Group tunnel.

Contents of the invention

In order to solve existing technical problems, embodiments of the present invention provide a data processing method and a communication device based on a tunnel establishment service.

In order to achieve the above object, the technical solution of the embodiment of the present invention is achieved in this way:

An embodiment of the present invention provides a data processing method based on a tunnel establishment service, the method comprising: a session management function (SMF, Session Management Function) obtains a LAN group identifier, initiates establishment of a tunnel corresponding to the LAN group identifier, and the The tunnel is used to transmit the service data of the LAN group corresponding to the LAN group identifier.

In the above solution, the initiating establishment of the tunnel corresponding to the LAN group identifier includes:

The SMF instructs a user plane function (UPF, User Plane Function) to establish the tunnel with an application function (AF, Application Function).

In the above solution, before the SMF instructs the UPF to establish the tunnel with the AF, the method further includes:

The SMF selects a UPF based on the LAN group identifier;

The SMF instructs the UPF to establish the tunnel with the AF, including:

The SMF sends indication information to the selected UPF, where the indication information is used to instruct the UPF to establish the tunnel with the AF.

In the above solution, the SMF obtaining the LAN group identifier includes: the SMF receiving a tunnel establishment request message sent by a network exposure function (NEF, Network Exposure Function) or an access and mobility management function (AMF, Access and MobilityManagement Function) to obtain the LAN group identifier carried in the tunnel establishment request message.

In the above solution, the tunnel establishment request message is sent when the AMF receives a protocol data unit (PDU, Protocol Data Unit) session establishment request message sent by the user equipment; the PDU session establishment request message includes the LAN group ID.

In the above solution, the tunnel establishment request message is sent by the NEF during the registration process of the AF; the AF provides the LAN group identifier to the NEF during the registration process.

In the above solution, the method further includes: the SMF receiving the tunnel establishment response message sent by the UPF.

In the above solution, the method further includes: the SMF sending a tunnel establishment response message to the NEF or AMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result.

The embodiment of the present invention also provides a data processing method based on tunnel establishment service, the method comprising:

NEF or AMF sends a tunnel establishment request message to SMF; the tunnel establishment request message includes a LAN group identifier, and the tunnel establishment request message is used for the SMF to initiate establishment of a tunnel, and the tunnel is used for the LAN group identifier corresponding LAN group business data transmission.

In the above solution, before the AMF sends a tunnel establishment request message to the SMF, the method further includes: the AMF receives a PDU session establishment request message sent by the user equipment, and the PDU session establishment request message includes the local area network group identifier .

In the above solution, the method further includes: the AMF selects an SMF based on the LAN group identifier;

The AMF sending the tunnel establishment request message to the SMF includes: the AMF sending the tunnel establishment request message to the selected SMF.

In the above solution, the NEF sends a tunnel establishment request message to the SMF, including: the NEF obtains the LAN group identifier during the registration process of the AF, and sends a tunnel establishment request message carrying the LAN group identifier to the SMF .

In the above solution, the method further includes: the NEF or AMF receiving a tunnel establishment response message sent by the SMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result.

The embodiment of the present invention also provides a data processing method based on tunnel establishment service, the method comprising:

The UPF receives the indication information of the SMF; the indication information includes the local area network group identifier;

The UPF establishes a tunnel with the AF, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In the above solution, the method further includes: the UPF sending a tunnel establishment response message to the SMF.

The embodiment of the present invention also provides a communication device, the communication device is an SMF, and the communication device includes an acquiring unit and an initiating unit; wherein,

The obtaining unit is configured to obtain a LAN group identifier;

The initiating unit is configured to initiate establishment of a tunnel corresponding to the LAN group identifier, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In the above solution, the initiating unit is configured to instruct the UPF to establish the tunnel with the AF.

In the above solution, the communication device further includes a first selection processing unit, configured to select a UPF based on the local area network group identifier;

The initiating unit is configured to send indication information to the UPF selected by the first selection processing unit, where the indication information is used to instruct the UPF to establish the tunnel with the AF.

In the above solution, the obtaining unit is configured to receive the tunnel establishment request message sent by the NEF or the AMF, and obtain the LAN group identifier carried in the tunnel establishment request message.

In the above solution, the tunnel establishment request message is sent when the AMF receives the PDU session establishment request message sent by the user equipment; the PDU session establishment request message includes the local area network group identifier.

In the above solution, the tunnel establishment request message is sent by the NEF during the registration process of the AF; the AF provides the LAN group identifier to the NEF during the registration process.

In the above solution, the initiating unit is further configured to receive the tunnel establishment response message sent by the UPF.

In the above solution, the obtaining unit is further configured to send a tunnel establishment response message to the NEF or AMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result.

The embodiment of the present invention also provides a communication device, the communication device is NEF or AMF, and the communication device includes a first communication unit, configured to send a tunnel establishment request message to the SMF; the tunnel establishment request message includes a local area network A group identifier, the tunnel establishment request message is used by the SMF to initiate establishment of a tunnel, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In the above solution, the communication device further includes a second communication unit, configured to receive a PDU session establishment request message sent by the user equipment before the first communication unit sends the tunnel establishment request message to the SMF, and the PDU session establishment request message Include the LAN group ID.

In the above solution, the communication device further includes a second selection processing unit, configured to select an SMF based on the LAN group identifier;

The first communication unit is configured to send a tunnel establishment request message to the SMF selected by the second selection processing unit.

In the above solution, the first communication unit is configured to obtain the LAN group identifier during the registration process of the AF, and send a tunnel establishment request message carrying the LAN group identifier to the SMF.

In the above solution, the first communication unit is further configured to receive a tunnel establishment response message sent by the SMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result.

The embodiment of the present invention also provides a communication device, the communication device is a UPF; the communication device includes a third communication unit and a tunnel establishment unit; wherein,

The third communication unit is configured to receive SMF indication information; the indication information includes the local area network group identifier;

The tunnel establishing unit is configured to establish a tunnel with the AF, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In the above solution, the third communication unit is configured to send a tunnel establishment response message to the SMF.

The embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the steps of the method of the embodiment of the present invention applied to SMF are implemented; or, the program is processed When the program is executed by the processor, the steps of the method of the embodiment of the present invention applied to the NEF or AMF are realized; or, when the program is executed by the processor, the steps of the method of the embodiment of the present invention applied to the UPF are realized.

The embodiment of the present invention also provides a communication device, including a memory, a processor, and a computer program stored on the memory and operable on the processor. When the processor executes the program, the embodiment of the present invention is applied to SMF. The steps of the method; or, when the processor executes the program, implement the steps of the method of the embodiment of the present invention applied to NEF or AMF; or, when the processor executes the program, implement the implementation of the present invention Example of the steps of the method applied to UPF.

The embodiment of the present invention provides a data processing method and a communication device based on a tunnel establishment service. The method includes: a session management function (SMF, Session Management Function) obtains a LAN group identifier, initiates establishment of a tunnel corresponding to the LAN group identifier, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier. By adopting the technical scheme of the embodiment of the present invention, through the tunnel establishment service newly added by SMF, the tunnel corresponding to the LAN group identifier can be established by calling the tunnel establishment service, and the tunnel is dedicated to the dedicated service of the LAN group identifier to one, ensuring The quality of service improves the user experience; moreover, the establishment of the tunnel facilitates the flexible configuration and real-time management of the private network.

Description of drawings

FIG. 1 is a first schematic flowchart of a data processing method based on a tunnel establishment service according to an embodiment of the present invention;

FIG. 2 is a second schematic flow diagram of a data processing method based on a tunnel establishment service according to an embodiment of the present invention;

FIG. 3 is a third schematic flowchart of a data processing method based on a tunnel establishment service according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an application flow of a data processing method based on a tunnel establishment service according to an embodiment of the present invention;

FIG. 5 is a second schematic diagram of the application flow of the data processing method based on the tunnel establishment service according to the embodiment of the present invention;

FIG. 6 is a schematic diagram of the third application flow of the data processing method based on the tunnel establishment service according to the embodiment of the present invention;

FIG. 7 is a first structural diagram of a communication device according to an embodiment of the present invention;

FIG. 8 is a second structural schematic diagram of a communication device according to an embodiment of the present invention;

FIG. 9 is a third schematic diagram of the composition and structure of a communication device according to an embodiment of the present invention;

FIG. 10 is a fourth schematic diagram of the composition and structure of a communication device according to an embodiment of the present invention;

FIG. 11 is a fifth schematic diagram of the composition and structure of a communication device according to an embodiment of the present invention;

FIG. 12 is a sixth schematic diagram of the composition and structure of a communication device according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of a hardware composition structure of a communication device according to an embodiment of the present invention.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

The embodiment of the present invention provides a data processing method based on tunnel establishment service. FIG. 1 is a first schematic flow diagram of a data processing method based on a tunnel establishment service according to an embodiment of the present invention; as shown in FIG. 1 , the method includes:

Step 11: The SMF obtains the LAN group ID, initiates the establishment of a tunnel corresponding to the LAN group ID, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group ID.

In this embodiment, the local area network group ID (LAN group ID) may be a group ID corresponding to a private network. As an example, the local area network group identifier may be a group identifier of an enterprise private network, dedicated to services in the enterprise private network, so as to facilitate access management of the enterprise private network and improve service quality and experience of enterprise private network users.

In this embodiment, the initiating establishment of the tunnel corresponding to the LAN group identifier includes: the SMF instructing the UPF to establish the tunnel with the AF.

It can be understood that, in this embodiment, the tunnel corresponding to the local area network group identifier is established by the SMF, that is, the SMF adds a tunnel establishment service, and the tunnel can be established by calling the tunnel establishment service. Wherein, as an example, the tunnel is a tunnel between the UPF and the AF.

In an optional embodiment of the present application, before the SMF instructs the UPF to establish the tunnel with the AF, the method further includes: the SMF selects the UPF based on the LAN group identifier; then the SMF Instructing the UPF to establish the tunnel with the AF includes: the SMF sending indication information to the selected UPF, where the indication information is used to instruct the UPF to establish the tunnel with the AF.

In an optional embodiment of the present application, the method further includes: the SMF receiving a tunnel establishment response message sent by the UPF. It can be understood that after the SMF instructs the UPF to establish the tunnel with the AF, the UPF establishes the tunnel with the AF, and returns a response message such as a successful tunnel establishment to the SMF.

In this embodiment, the manner in which the SMF obtains the LAN group ID varies according to different scenarios.

As an implementation manner, the obtaining the LAN group identifier by the SMF includes: the SMF receives the tunnel establishment request message sent by the NEF or the AMF, and obtains the LAN group identifier carried in the tunnel establishment request message. Wherein, the tunnel establishment request message is sent when the AMF receives the PDU session establishment request message sent by the user equipment; the PDU session establishment request message includes the local area network group identifier.

In this embodiment, the triggering of the tunnel establishment is performed by the user equipment (UE), for example, the user equipment initiates a PDU session establishment request, and based on the PDU session initiation request, the AMF sends a tunnel establishment request message to the SMF.

As another implementation manner, the tunnel establishment request message is sent by the NEF during the registration process of the AF; the AF provides the LAN group identifier to the NEF during the registration process.

In this embodiment, triggering of tunnel establishment is performed by the NEF. During the AF registration process, the NEF sends a tunnel establishment request message to the SMF.

In an optional embodiment of the present application, the method further includes: the SMF sending a tunnel establishment response message to the NEF or AMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result.

By adopting the technical scheme of the embodiment of the present invention, through the tunnel establishment service newly added by SMF, the tunnel corresponding to the LAN group identifier can be established by calling the tunnel establishment service, and the tunnel is dedicated to the dedicated service of the LAN group identifier to one, ensuring The quality of service improves the user experience; moreover, the establishment of the tunnel facilitates the flexible configuration and real-time management of the private network.

Based on the foregoing embodiments, an embodiment of the present invention further provides a data processing method based on tunnel establishment services. FIG. 2 is a second schematic flow diagram of a data processing method based on a tunnel establishment service according to an embodiment of the present invention; as shown in FIG. 2 , the method includes:

Step 21: NEF or AMF sends a tunnel establishment request message to the SMF; the tunnel establishment request message includes a LAN group identifier, and the tunnel establishment request message is used for the SMF to initiate the establishment of a tunnel, and the tunnel is used for the LAN group Identifies the transmission of service data of the corresponding LAN group.

As an implementation manner, before the AMF sends a tunnel establishment request message to the SMF, the method further includes: the AMF receives a PDU session establishment request message sent by the user equipment, and the PDU session establishment request message includes the local area network Group ID.

In this embodiment, the method further includes: the AMF selects an SMF based on the LAN group identifier; then the AMF sends a tunnel establishment request message to the SMF, including: the AMF sends a tunnel establishment request message to the selected SMF.

As another implementation manner, the NEF sends a tunnel establishment request message to the SMF, including: the NEF obtains the LAN group identifier during the registration process of the AF, and sends a tunnel carrying the LAN group identifier to the SMF Build request message.

In an optional embodiment of the present invention, the method further includes: the NEF or AMF receiving the tunnel establishment response message sent by the SMF; the tunnel establishment response message is sent after the SMF obtains the tunnel establishment result .

By adopting the technical scheme of the embodiment of the present invention, through the tunnel establishment service newly added by SMF, the tunnel corresponding to the LAN group identifier can be established by calling the tunnel establishment service, and the tunnel is dedicated to the dedicated service of the LAN group identifier to one, ensuring The quality of service improves the user experience; moreover, the establishment of the tunnel facilitates the flexible configuration and real-time management of the private network.

Based on the foregoing embodiments, an embodiment of the present invention further provides a data processing method based on tunnel establishment services. FIG. 3 is a third schematic flow diagram of a data processing method based on a tunnel establishment service according to an embodiment of the present invention; as shown in FIG. 3 , the method includes:

Step 31: The UPF receives the indication information of the SMF; the indication information includes the LAN group identifier;

Step 32: The UPF establishes a tunnel with the AF, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In an optional embodiment of the present invention, the method further includes: the UPF sending a tunnel establishment response message to the SMF.

By adopting the technical scheme of the embodiment of the present invention, through the tunnel establishment service newly added by SMF, the tunnel corresponding to the LAN group identifier can be established by calling the tunnel establishment service, and the tunnel is dedicated to the dedicated service of the LAN group identifier to one, ensuring The quality of service improves the user experience; moreover, the establishment of the tunnel facilitates the flexible configuration and real-time management of the private network.

The data processing method based on the tunnel establishment service in the embodiment of the present invention will be described in detail below in combination with specific application scenarios.

scene one

This scenario may be that in a non-roaming or roaming local offloading scenario, the UE's access to the AF triggers the establishment of a tunnel corresponding to the LAN group identifier. FIG. 4 is a schematic diagram of an application flow of a data processing method based on a tunnel establishment service according to an embodiment of the present invention; as shown in FIG. 4 , the method includes:

In step 101, the UE sends a request to establish a PDU session (PDU Session) to the AMF, and the parameters carried in the PDU session establishment request include a 5G LAN group ID (5G LAN group ID).

Step 102, the AMF performs SMF selection, specifically for the UE to select an SMF that can provide services for the 5G LAN group (5G LAN group) corresponding to the 5G LAN group identifier.

In step 103, the AMF sends an SM context (SM Context) request message to the selected SMF, that is, the AMF invokes the service of creating an SM context, or directly reads an existing SM context.

Step 104, the SMF obtains the subscription management data of the UE from the UDM.

Step 105, AMF obtains SM context request response message from SMF.

Step 106, the AMF sends a tunnel establishment request to the SMF, and the tunnel establishment request carries the 5G LAN group identifier. That is, the AMF invokes the tunnel establishment service of the 5G LAN group of the SMF, and the tunnel establishment request message may be indicated by Nsmf_Tunnel_Greate Request, requesting the SMF to establish a tunnel at the 5G LAN group level.

Step 107, the SMF selects a UPF that supports the service of the 5G LAN group.

Step 108: An N4 tunnel is established between the SMF and the selected UPF. Through the N4 tunnel, the SMF sends indication information to the selected UFP, where the indication information is used to instruct the UPF to establish the tunnel with the AF.

In step 109, the UPF detects that there is currently no tunnel established with the AF in the 5G LAN group, and then sends a tunnel establishment request to the AF.

In step 110, the AF returns a tunnel establishment response message to the UPF; if the tunnel establishment is successful, the tunnel establishment response message is a response message indicating that the tunnel establishment is successful.

Step 111: The UPF returns a tunnel establishment response message to the SMF, the tunnel establishment response message includes tunnel routing information, and the SMF stores the routing information.

Step 112. The SMF sends a tunnel establishment response message to the AMF. The parameters transmitted in the tunnel establishment response message may include at least one of the following: routing information of the 5G LAN group-level tunnel between UPF and AF, 5G LAN groupID , PDU session ID, etc. As an implementation manner, the tunnel establishment response message sent by the SMF to the AMF may be represented by Namf_Communication_N1N2MessageTransfer.

Step 113, AMF sends an update request response message to the radio access network (RAN, Radio Access Network), and the parameters transmitted in the update request response message may include at least one of the following: PDU session ID, 5GLANgroup ID, routing information; where , the routing information represents the routing information of the 5G LAN group-level tunnel between the UPF and the AF.

Step 114. The RAN sends an update request response message to the UE. The parameters transmitted in the update request response message may include at least one of the following: PDU session ID, 5G LAN group ID, and routing information; wherein, the routing information indicates UPF and Routing information of 5G LAN group-level tunnels between AFs.

scene two

This scenario may be that the UE visits the AF in a roaming return scenario and triggers the establishment of a tunnel corresponding to the local area network group identifier. This scenario includes the communication equipment at the visited location and the communication equipment at the home location. Fig. 5 is a schematic diagram of the application flow of the data processing method based on the tunnel establishment service according to the embodiment of the present invention; For example, the V-UPF indicates the UPF of the visited location where the UE is located, and the H-UPF indicates the UPF of the home location to which the UE belongs. Based on this, the method includes:

In step 201, the UE sends a request to establish a PDU session (PDU Session) to the AMF, and the parameters carried in the PDU session establishment request include a 5G LAN group ID (5G LAN group ID).

Step 202, the AMF performs SMF selection, specifically for the UE to select a V-SMF that can provide services for the 5G LAN group (5G LAN group) corresponding to the 5G LAN group identifier.

In step 203, the AMF sends an SM context (SM Context) request message to the selected V-SMF, that is, the AMF invokes the service of creating an SM context, or directly reads an existing SM context. As an example, the SM context (SMContext) request message may be represented by Nsmf_PDU Session_CreateSMContext Request.

In step 204, the V-SMF selects a UPF, and the selected UPF is the V-UPF.

Step 205: An N4 tunnel is established between the V-SMF and the selected V-UPF.

Step 206, the V-SMF sends an SM context (SM Context) request message to the H-SMF.

Step 207, the H-SMF obtains the subscription management data of the UE from the UDM.

In step 208, the AMF sends a tunnel establishment request to the V-SMF, and the tunnel establishment request carries the 5G local area network group identifier. That is, the AMF invokes the tunnel establishment service of the 5G LAN group of the V-SMF, and the tunnel establishment request message may be indicated by Nsmf_Tunnel_Greate Request, requesting the SMF to establish a tunnel at the 5G LAN group level.

Step 209, the V-SMF sends a tunnel establishment request to the H-SMF, and the tunnel establishment request carries the 5G local area network group identifier. That is, the V-SMF invokes the tunnel establishment service of the 5G LAN group of the H-SMF, and the tunnel establishment request message can be indicated by Nsmf_Tunnel_Greate Request, requesting the SMF to establish a tunnel at the 5G LAN group level.

Step 210, the H-SMF selects the H-UPF that supports the 5G LAN group service.

Step 211, an N4 tunnel is established between the H-SMF and the selected H-UPF. Through the N4 tunnel, the SMF sends indication information to the selected H-UFP, where the indication information is used to instruct the H-UPF to establish the tunnel with the AF.

Step 212, the H-UPF detects that the tunnel with the AF is currently not established in the 5G local area network group, and initiates a tunnel establishment request to the AF.

In step 213, the AF returns a tunnel establishment response message to the H-UPF; if the tunnel establishment is successful, the tunnel establishment response message is a response message indicating that the tunnel establishment is successful.

Step 214: The H-UPF returns a tunnel establishment response message to the H-SMF, where the tunnel establishment response message includes tunnel routing information, and the H-SMF stores the routing information.

Step 215, the H-SMF sends a tunnel establishment response message, or a PDU session establishment response message, to the V-SMF; the response message includes the routing information of the tunnel.

Wherein, as an implementation manner, the response message may also include a response message corresponding to the aforementioned SM context (SM Context) request message; as another implementation manner, after step 215 is performed, the H-SMF sends a message to the V-SMF A response message corresponding to the aforementioned SM context (SM Context) request message is sent separately.

Step 216. The V-SMF sends a tunnel establishment response message to the AMF. The parameters transmitted in the tunnel establishment response message may include at least one of the following: routing information of the 5G LAN group-level tunnel between the H-UPF and the AF , 5G LAN group ID, PDU session ID, etc. As an implementation manner, the tunnel establishment response message sent by the SMF to the AMF may be represented by Namf_Communication_N1N2MessageTransfer.

Step 217, AMF sends an update request response message to RAN, and the parameters transmitted in the update request response message may include at least one of the following: PDU session ID, 5GLAN group ID, routing information; wherein, the routing information represents UPF and AF Routing information for group-level tunnels between 5G LANs.

Step 218, the RAN updates the request response message to the UE, and the parameters transmitted in the update request response message may include at least one of the following: PDU session ID, 5G LAN group ID, and routing information; wherein, the routing information represents UPF and AF Routing information for group-level tunnels between 5G LANs.

scene three

In this scenario, the establishment of the tunnel corresponding to the LAN group identifier is triggered during the AF registration process. Fig. 6 is a schematic diagram of the application process of the data processing method based on the tunnel establishment service according to an embodiment of the present invention; as shown in Fig. 6, the method includes:

Step 301, the DN subscribes to the information update notification of the UDM.

In step 302, the AF provides an update parameter to the NEF, and the update parameter includes a 5G LAN group ID (5G LANgroup ID). In this step, the AF may send a parameter update request message to the NEF, and the parameter update request message includes a 5G LAN group ID (5G LAN group ID).

Step 303, AF authorized by NEF can provide parameters, then NEF requests UDM to update parameters, and the update parameters include 5G LAN group ID (5G LAN group ID); UDM stores updated parameters, that is, UDM stores 5G LAN group ID ( 5G LAN group ID). As an example, the NEF may send a parameter update request message to the UDM, and the parameter update request message includes a 5G LAN group ID (5G LAN group ID).

Step 304, the UDM requests to read AF-related data in the UDR. Wherein, the request may include a 5G LAN group ID (5G LAN group ID).

Step 305, the UDR stores and updates the 5G LAN group ID (5G LAN group ID) as part of the UE's subscription data.

In step 306, the NEF sends a tunnel establishment request to the SMF, and the tunnel establishment request carries the 5G local area network group identifier.

In this step, the NEF recognizes that the parameters carried by the AF during registration include the 5G LAN group ID (5G LAN groupID), which is an AF that provides services for a certain 5G LAN group, and the tunnel establishment method is established during registration. The SMF sends a tunnel establishment request, and the tunnel establishment request message may be represented by Nsmf_Tunnel_Greate Request, requesting the SMF to establish a tunnel for the 5G LAN group.

Step 307, the SMF selects a UPF that supports the group of services, and sends a tunnel establishment indication, where the tunnel establishment indication is used to instruct the UPF to establish the tunnel with the AF.

In step 308, the UPF detects that there is currently no tunnel established with the AF in the 5G local area network group, and then sends a tunnel establishment request to the AF.

In step 309, the AF returns a tunnel establishment response message to the UPF; if the tunnel establishment is successful, the tunnel establishment response message is a response message indicating that the tunnel establishment is successful.

Step 310: The UPF returns a tunnel establishment response message to the SMF, where the tunnel establishment response message includes tunnel routing information, and the SMF stores the routing information.

Step 311, the SMF sends a tunnel establishment response message to the NEF.

In step 312, the UDM returns an update request response message to the NEF.

Step 313, the NEF returns an update request response message to the AF.

In the above examples of the present invention, the data network (DN, Data Network) is equivalent to the aforementioned AF, that is, the tunnel between the UPF and the AF, which is equivalent to the tunnel between the UPF and the DN.

The embodiment of the present invention also provides a communication device, and the communication device in this embodiment is specifically an SMF. FIG. 7 is a first schematic diagram of the composition and structure of a communication device according to an embodiment of the present invention. As shown in FIG. 7 , the communication device includes an acquisition unit 41 and an initiation unit 42; wherein,

The obtaining unit 41 is configured to obtain a LAN group identifier;

The initiating unit 42 is configured to initiate establishment of a tunnel corresponding to the LAN group identifier, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In an optional embodiment of the present application, the initiating unit 42 is configured to instruct the UPF to establish the tunnel with the AF.

In an optional embodiment of the present application, as shown in FIG. 8 , the communication device further includes a first selection processing unit 43, configured to select a UPF based on the local area network group identifier;

The initiating unit 42 is configured to send indication information to the UPF selected by the first selection processing unit 43, where the indication information is used to instruct the UPF to establish the tunnel with the AF.

In an optional embodiment of the present application, the obtaining unit 41 is configured to receive a tunnel establishment request message sent by the NEF or AMF, and obtain the LAN group identifier carried in the tunnel establishment request message.

In an optional embodiment of the present application, the tunnel establishment request message is sent when the AMF receives the PDU session establishment request message sent by the user equipment; the PDU session establishment request message includes the local area network Group ID.

In an optional embodiment of the present application, the tunnel establishment request message is sent by the NEF during the registration process of the AF; the AF provides the LAN group identifier to the NEF during the registration process.

In an optional embodiment of the present application, the initiating unit 42 is further configured to receive a tunnel establishment response message sent by the UPF.

In an optional embodiment of the present application, the obtaining unit 41 is further configured to send a tunnel establishment response message to the NEF or AMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result.

In this embodiment, the first selection processing unit 43 in the communication device can be composed of a central processing unit (CPU, Central Processing Unit), a digital signal processor (DSP, Digital Signal Processor) in the communication device in practical applications. Processor), Microcontroller Unit (MCU, Microcontroller Unit) or Programmable Gate Array (FPGA, Field-Programmable Gate Array); the acquisition unit 41 and the initiation unit 42 in the communication device can be used in practical applications through the communication module Group (including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.) and implementation of transceiver antennas.

The embodiment of the present invention also provides a communication device, and the communication device in this embodiment is specifically a NEF or an AMF. Fig. 9 is a schematic diagram 3 of the composition and structure of the communication device according to the embodiment of the present invention. As shown in Fig. 9, the communication device includes a first communication unit 51 for sending a tunnel establishment request message to the SMF; in the tunnel establishment request message Including the LAN group identifier, the tunnel establishment request message is used by the SMF to initiate establishment of a tunnel, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In an optional embodiment of the present application, as shown in FIG. 10 , the communication device further includes a second communication unit 52, configured to receive the user's The PDU session establishment request message sent by the device, the PDU session establishment request message includes the local area network group identifier.

In an optional embodiment of the present application, as shown in FIG. 11 , the communication device further includes a second selection processing unit 53, configured to select an SMF based on the local area network group identifier;

The first communication unit 51 is configured to send a tunnel establishment request message to the SMF selected by the second selection processing unit 53 .

In an optional embodiment of the present application, the first communication unit 51 is configured to obtain the LAN group identifier during the AF registration process, and send a tunnel establishment message carrying the LAN group identifier to the SMF. request message.

In an optional embodiment of the present application, the first communication unit 51 is further configured to receive a tunnel establishment response message sent by the SMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result .

In this embodiment, the second selection processing unit 53 in the communication device can be realized by CPU, DSP, MCU or FPGA in the communication device in practical applications; the first communication unit 51 and the first communication unit 51 in the communication device The second communication unit 52 can be implemented by a communication module (including: basic communication suite, operating system, communication module, standardized interface and protocol, etc.) and a transceiver antenna in practical applications.

The embodiment of the present invention also provides a communication device, and the communication device in this embodiment is specifically a UPF. FIG. 12 is a sixth schematic diagram of the composition and structure of a communication device according to an embodiment of the present invention. As shown in FIG. 12 , the communication device includes a third communication unit 61 and a tunnel establishment unit 62; wherein,

The third communication unit 61 is configured to receive indication information of the SMF; the indication information includes the local area network group identifier;

The tunnel establishing unit 62 is configured to establish a tunnel with the AF, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier.

In an optional embodiment of the present application, the third communication unit 61 is further configured to send a tunnel establishment response message to the SMF.

In this embodiment, the third communication unit 61 and the tunnel establishment unit 62 in the communication device can pass communication modules (including: basic communication suites, operating systems, communication modules, standardized interfaces and protocols, etc.) and transceiver antennas.

It should be noted that: when the communication device provided in the above embodiment performs data processing based on the tunnel establishment service, the division of the above-mentioned program modules is used as an example for illustration. In practical applications, the above-mentioned processing can be assigned to different Completion of program modules means that the internal structure of the device is divided into different program modules to complete all or part of the processing described above. In addition, the communication device provided by the above embodiment and the embodiment of the data processing method based on the tunnel establishment service belong to the same concept, and the specific implementation process thereof is detailed in the method embodiment, and will not be repeated here.

The embodiment of the present invention also provides a communication device. FIG. 13 is a schematic diagram of the hardware composition structure of the communication device according to the embodiment of the present invention. As shown in FIG. 13 , the communication device 700 includes a memory 702, a processor 701 and a 702 and a computer program that can run on the processor 701, wherein, when the processor 701 executes the program, the method applied to the communication device (SMF, NEF or AMF, or UPF) in the embodiment of this application is implemented A step of.

In this embodiment, the communication device further includes a communication interface 703 . Various components in the communication device 700 are coupled together through a bus system 704 . It can be understood that the bus system 704 is used to realize connection and communication between these components. In addition to the data bus, the bus system 704 also includes a power bus, a control bus and a status signal bus. However, for clarity of illustration, the various buses are labeled as bus system 704 in FIG. 13 .

It can be understood that the memory 702 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memories. Wherein, the non-volatile memory can be a read-only memory (ROM, Read Only Memory), a programmable read-only memory (PROM, Programmable Read-Only Memory), an erasable programmable read-only memory (EPROM, Erasable Programmable Read-Only Memory), Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), Magnetic Random Access Memory (FRAM, ferromagnetic random access memory), Flash Memory (Flash Memory), Magnetic Surface Memory , CD, or CD-ROM (CD-ROM, Compact Disc Read-Only Memory); the magnetic surface storage can be disk storage or tape storage. The volatile memory may be random access memory (RAM, Random Access Memory), which is used as an external cache. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM, Static Random Access Memory), Synchronous Static Random Access Memory (SSRAM, Synchronous Static Random Access Memory), Dynamic Random Access Memory Memory (DRAM, Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM, Synchronous Dynamic Random Access Memory), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM, Double Data Rate Synchronous Dynamic Random Access Memory), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), Synchronous Link Dynamic Random Access Memory (SLDRAM, SyncLink Dynamic Random Access Memory), Direct Memory Bus Random Access Memory (DRRAM, Direct Rambus Random Access Memory) . The memory 702 described in the embodiments of the present invention is intended to include, but not be limited to, these and any other suitable types of memory.

The methods disclosed in the foregoing embodiments of the present invention may be applied to the processor 701 or implemented by the processor 701 . The processor 701 may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 701 or instructions in the form of software. The aforementioned processor 701 may be a general processor, DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like. The processor 701 may implement or execute various methods, steps, and logic block diagrams disclosed in the embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the methods disclosed in the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in a storage medium, and the storage medium is located in the memory 702. The processor 701 reads the information in the memory 702, and completes the steps of the foregoing method in combination with its hardware.

An embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored, and is characterized in that, when the program is executed by a processor, it implements the communication device (SMF, NEF or AMF, or UPF).

In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. The device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods, such as: multiple units or components can be combined, or May be integrated into another system, or some features may be ignored, or not implemented. In addition, the coupling, or direct coupling, or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be electrical, mechanical or other forms of.

The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units; Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention can be integrated into one processing unit, or each unit can be used as a single unit, or two or more units can be integrated into one unit; the above-mentioned integration The unit can be realized in the form of hardware or in the form of hardware plus software functional unit.

Those of ordinary skill in the art can understand that all or part of the steps for realizing the above-mentioned method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the It includes the steps of the above method embodiments; and the aforementioned storage medium includes: various media that can store program codes such as removable storage devices, ROM, RAM, magnetic disks or optical disks.

Alternatively, if the above-mentioned integrated units of the present invention are implemented in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present invention is essentially or the part that contributes to the prior art 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 Make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the methods described in various embodiments of the present invention. The aforementioned storage medium includes: various media capable of storing program codes such as removable storage devices, ROM, RAM, magnetic disks or optical disks.

The methods disclosed in several method embodiments provided in this application can be combined arbitrarily to obtain new method embodiments under the condition of no conflict.

The features disclosed in several product embodiments provided in this application can be combined arbitrarily without conflict to obtain new product embodiments.

The features disclosed in several method or device embodiments provided in this application can be combined arbitrarily without conflict to obtain new method embodiments or device embodiments.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (30)

1. A data processing method based on tunnel establishment service, characterized in that the method comprises: The session management function SMF obtains the LAN group identifier, initiates the establishment of a tunnel corresponding to the LAN group identifier, and the tunnel is used for the transmission of the LAN group service data corresponding to the LAN group identifier; The initiating establishment of the tunnel corresponding to the local area network group identifier includes: the SMF instructing the user plane function UPF to establish the tunnel with the data network DN. 2. The method according to claim 1, wherein before the SMF instructs the UPF to establish the tunnel with the DN, the method further comprises: The SMF selects a UPF based on the LAN group identifier; The SMF instructs the UPF to establish the tunnel with the DN, including: The SMF sends indication information to the selected UPF, where the indication information is used to instruct the UPF to establish the tunnel with the DN. 3. The method according to claim 1, wherein the SMF obtaining the LAN group identifier comprises: The SMF receives the tunnel establishment request message sent by the network opening function NEF or the access and mobility management function AMF, and obtains the LAN group identifier carried in the tunnel establishment request message. 4. The method according to claim 3, wherein the tunnel establishment request message is sent when the AMF receives a protocol data unit PDU session establishment request message sent by the user equipment; the PDU session establishment request The message includes the LAN group identifier. 5. The method according to claim 3, wherein the tunnel establishment request message is sent by the NEF during the registration process of the DN; Group ID. 6. The method according to claim 1 or 2, wherein the method further comprises: The SMF receives the tunnel establishment response message sent by the UPF. 7. The method according to any one of claims 3 to 5, wherein the method further comprises: The SMF sends a tunnel establishment response message to the NEF or AMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result. 8. A data processing method based on tunnel establishment service, characterized in that the method comprises: The network opening function NEF or the access and mobility management function AMF sends a tunnel establishment request message to the SMF; the tunnel establishment request message includes a local area network group identifier, and the tunnel establishment request message is used for the SMF to initiate establishment of a tunnel, the The tunnel is used for the transmission of the LAN group business data corresponding to the LAN group identifier; The tunnel establishment request message is also used by the SMF to instruct the UPF to establish the tunnel with the DN. 9. The method according to claim 8, wherein before the AMF sends a tunnel establishment request message to the SMF, the method further comprises: The AMF receives the PDU session establishment request message sent by the user equipment, and the PDU session establishment request message includes the local area network group identifier. 10. The method according to claim 9, further comprising: The AMF selects an SMF based on the LAN group identifier; The AMF sends a tunnel establishment request message to the SMF, including: The AMF sends a tunnel establishment request message to the selected SMF. 11. The method according to claim 8, wherein the NEF sends a tunnel establishment request message to the SMF, comprising: The NEF obtains the LAN group identifier during the DN registration process, and sends a tunnel establishment request message carrying the LAN group identifier to the SMF. 12. The method according to any one of claims 8 to 11, further comprising: The NEF or AMF receives the tunnel establishment response message sent by the SMF; the tunnel establishment response message is sent after the SMF obtains a tunnel establishment result. 13. A data processing method based on tunnel establishment service, characterized in that the method comprises: The UPF receives the instruction information of the SMF; the instruction information includes the LAN group identifier; The UPF establishes a tunnel with the DN, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier. 14. The method of claim 13, further comprising: The UPF sends a tunnel establishment response message to the SMF. 15. A communication device, characterized in that, the communication device is an SMF, and the communication device includes an acquiring unit and an initiating unit; wherein, The obtaining unit is configured to obtain a LAN group identifier; The initiating unit is configured to initiate establishment of a tunnel corresponding to the LAN group identifier, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier; Wherein, the initiating unit is configured to instruct the UPF to establish the tunnel with the DN. 16. The communication device according to claim 15, further comprising a first selection processing unit configured to select a UPF based on the local area network group identifier; The initiating unit is configured to send indication information to the UPF selected by the first selection processing unit, where the indication information is used to instruct the UPF to establish the tunnel with the DN. 17. The communication device according to claim 15, wherein the obtaining unit is configured to receive a tunnel establishment request message sent by NEF or AMF, and obtain the LAN group identifier carried in the tunnel establishment request message. 18. The communication device according to claim 17, wherein the tunnel establishment request message is sent when the AMF receives the PDU session establishment request message sent by the user equipment; in the PDU session establishment request message Include the LAN group ID. 19. The communication device according to claim 17, wherein the tunnel establishment request message is sent by the NEF during the registration process of the DN; the DN provides the NEF with the LAN group ID. 20. The communication device according to claim 15 or 16, wherein the initiating unit is further configured to receive a tunnel establishment response message sent by the UPF. 21. The communication device according to any one of claims 17 to 19, wherein the acquiring unit is further configured to send a tunnel establishment response message to the NEF or AMF; the tunnel establishment response message is in the SMF sends it after obtaining the tunnel establishment result. 22. A communication device, characterized in that, the communication device is NEF or AMF, and the communication device includes a first communication unit, configured to send a tunnel establishment request message to the SMF; the tunnel establishment request message includes a local area network group ID, the tunnel establishment request message is used by the SMF to initiate the establishment of a tunnel, and the tunnel is used for the transmission of the LAN group service data corresponding to the LAN group identifier; the tunnel establishment request message is also used by the SMF to indicate the UPF Establish said tunnel to and from the DN. 23. The communication device according to claim 22, wherein the communication device further comprises a second communication unit, configured to receive the PDU sent by the user equipment before the first communication unit sends the tunnel establishment request message to the SMF A session establishment request message, where the PDU session establishment request message includes the LAN group identifier. 24. The communication device according to claim 23, further comprising a second selection processing unit configured to select an SMF based on the local area network group identifier; The first communication unit is configured to send a tunnel establishment request message to the SMF selected by the second selection processing unit. 25. The communication device according to claim 22, wherein the first communication unit is configured to obtain the LAN group identifier during the registration process of the DN, and send a message carrying the LAN group identifier to the SMF The tunnel establishment request message. 26. The communication device according to any one of claims 22 to 25, wherein the first communication unit is further configured to receive a tunnel establishment response message sent by the SMF; the tunnel establishment response message is in the The above SMF sends it after obtaining the tunnel establishment result. 27. A communication device, characterized in that, the communication device is a UPF; the communication device includes a third communication unit and a tunnel establishment unit; wherein, The third communication unit is configured to receive indication information of the SMF; the indication information includes a local area network group identifier; The tunnel establishment unit is configured to establish a tunnel with the DN, and the tunnel is used for transmission of LAN group service data corresponding to the LAN group identifier. 28. The communication device according to claim 27, wherein the third communication unit is further configured to send a tunnel establishment response message to the SMF. 29. A computer-readable storage medium, on which a computer program is stored, characterized in that, when the program is executed by a processor, the steps of the method according to any one of claims 1 to 7 are realized; or, the program is executed by the processor When executed, the steps of the method described in any one of claims 8 to 12 are realized; or, when the program is executed by the processor, the steps of the method described in claim 13 or 14 are realized. 30. A communication device, comprising a memory, a processor, and a computer program stored in the memory and operable on the processor, characterized in that, when the processor executes the program, any one of claims 1 to 7 is realized The steps of the method; or, when the processor executes the program, the steps of the method according to any one of claims 8 to 12 are realized; or, when the processor executes the program, the steps of the method described in claim 13 or 14 are realized steps of the method described above.

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