CN111491009A - Business collaborative processing method and related equipment - Google Patents

Abstract

The present disclosure provides a service collaborative processing method and related equipment. The method includes: using an edge server to receive an uplink data packet from a first user terminal, where the source address and destination address of the uplink data packet are the network addresses of the first user terminal and the edge server respectively; and after processing the uplink data packet by the edge server Generate the first data packet, and set the destination address of the first data packet as the network address of the central server, so as to send the first data packet to the central server through the edge cloud data transmission tunnel according to the network address of the central server, and the central server Continue to process the first data packet; the edge-cloud data transmission tunnel is established on the session anchor user plane function of the first protocol data unit and the session anchor user plane function of the second protocol data unit, and the session anchor user plane function of the first protocol data unit The central server is connected, and the session anchor user plane function of the second protocol data unit is connected to the edge server.

Description

Business collaborative processing method and related equipment

technical field

The present disclosure relates to the field of computer technologies, and in particular, to a business collaborative processing method and apparatus, an electronic device, and a computer-readable storage medium.

Background technique

Compared with the various problems caused by the insufficient support capability of the 4G (4th- ^genration ) core network for edge computing (Edge Computing), the 5G core network considers the need to support edge computing in the architecture. Both the layer and the capability open layer support edge computing. At the network level, the 5G core network supports a variety of flexible local offloading mechanisms, supports mobility, supports billing and QoS (Quality of Service, quality of service), and lawful interception. For the local offload mechanism, the 5G core network supports the Uplink Classifier (ULCL) function and the BP (Branch Point, branch point) function.

However, when the edge server and the central server are not directly connected, the 5G core network in the related art can only support single-point processing of services, that is, the business is processed by the central server or by the edge server, and cannot support the business and needs the central service at the same time. Network and edge server processing scenarios.

Therefore, there is a need for a new business collaborative processing method and apparatus, electronic device and computer-readable storage medium.

It should be noted that the information disclosed in the above Background section is only for enhancement of understanding of the background of the present disclosure.

SUMMARY OF THE INVENTION

Embodiments of the present disclosure provide a method and apparatus for collaborative processing of services, an electronic device, and a computer-readable storage medium, which can realize multi-point processing of services.

Other features and advantages of the present disclosure will become apparent from the following detailed description, or be learned in part by practice of the present disclosure.

An embodiment of the present disclosure provides a service collaborative processing method, the method includes: using an edge server to receive an uplink data packet from a first user terminal, where the source address and destination address of the uplink data packet of the first user terminal are respectively the network address of the first user terminal and the network address of the edge server; the edge server processes the uplink data packet to generate a first data packet, and sets the destination address of the first data packet to The network address of the central server, so that according to the network address of the central server, the first data packet is sent to the central server through the edge-cloud data transmission tunnel, and the central server continues to process the first data packet; The edge-cloud data transmission tunnel is established on the session anchor user plane function of the first protocol data unit and the session anchor user plane function of the second protocol data unit, and the first protocol data unit session anchor user plane function is connected to The central server and the second protocol data unit session anchor user plane function are connected to the edge server.

An embodiment of the present disclosure provides an apparatus for collaborative processing of services, the apparatus includes: an uplink data packet receiving unit configured to use an edge server to receive an uplink data packet from a first user terminal, a source address and a destination address of the uplink data packet are the network address of the first user terminal and the network address of the edge server respectively; an uplink data packet processing unit is configured to generate a first data packet after processing the uplink data packet by the edge server, and The destination address of the first data packet is modified to the network address of the central server, so that the first data packet is sent to the central server through the edge cloud data transmission tunnel according to the network address of the central server, and the The central server continues to process the first data packet; wherein, the edge-cloud data transmission tunnel is established on the first protocol data unit session anchor point user plane function and the second protocol data unit session anchor point user plane function, and the first protocol data unit session anchor point user plane function. A protocol data unit session anchor user plane function is connected to the central server, and the second protocol data unit session anchor user plane function is connected to the edge server.

Embodiments of the present disclosure provide a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the method for collaborative business processing described in the foregoing embodiments.

An embodiment of the present disclosure provides an electronic device, including: one or more processors; a storage device configured to store one or more programs, when the one or more programs are executed by the one or more processors At the time, the one or more processors are made to implement the service collaborative processing method as described in the foregoing embodiment.

In the technical solutions provided by some embodiments of the present disclosure, when the edge server receives the uplink data packet from the first user terminal, the edge server will process the uplink data packet to generate the first data packet, and further Determine whether the first data packet processed by the edge server needs to be sent to the central server for processing. If the first data packet needs to be sent to the central server for processing, the edge server can set the destination address of the first data packet. is the network address of the central server. On the one hand, according to the destination address of the first data packet, the first data packet can be sent to the central server by using the pre-established edge-cloud data transmission tunnel for further processing. Multi-point processing of services can be realized, that is, services are processed by both the edge server and the central server; on the other hand, the edge server can be deployed in the local data network (Local Data Network, hereinafter referred to as LocalDN), usually MEC (Multi-access Edge) Computing, multi-access edge computing) platform is located in the local data network, and edge servers can also be deployed on the MEC platform.

It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort. In the attached image:

FIG. 1 shows a schematic diagram of an exemplary system architecture to which a service collaborative processing method or a service collaborative processing apparatus according to an embodiment of the present disclosure can be applied;

FIG. 2 shows a schematic structural diagram of a computer system suitable for implementing an electronic device according to an embodiment of the present disclosure;

FIG. 3 schematically shows a ULCL shunt architecture diagram in the related art;

FIG. 4 schematically shows a flow chart of a service collaborative processing method according to an embodiment of the present disclosure;

FIG. 5 schematically shows a flowchart of a method for collaboratively processing services according to an embodiment of the present disclosure;

FIG. 6 shows a schematic diagram of the processing procedure of step S510 shown in FIG. 5 in an embodiment;

FIG. 7 schematically shows an architecture diagram of supporting edge-cloud collaboration according to an embodiment of the present disclosure;

FIG. 8 shows a schematic diagram of the processing procedure of step S420 shown in FIG. 4 in an embodiment;

FIG. 9 schematically shows a flowchart of a method for collaboratively processing services according to an embodiment of the present disclosure;

FIG. 10 schematically shows a business flow diagram of a business collaborative processing method according to an embodiment of the present disclosure;

FIG. 11 schematically shows an architecture diagram for supporting edge-cloud collaboration according to an embodiment of the present disclosure;

FIG. 12 shows a schematic diagram of the processing procedure of step S420 shown in FIG. 4 in an embodiment;

FIG. 13 schematically shows a business flow diagram of a business collaborative processing method according to an embodiment of the present disclosure;

FIG. 14 schematically shows a block diagram of a service collaborative processing apparatus according to an embodiment of the present disclosure.

Detailed ways

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments, however, can be embodied in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of the embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details, or other methods, components, devices, steps, etc. may be employed. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the present disclosure.

The block diagrams shown in the figures are merely functional entities and do not necessarily necessarily correspond to physically separate entities. That is, these functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices entity.

The flowcharts shown in the figures are only exemplary illustrations and do not necessarily include all contents and operations/steps, nor do they have to be performed in the order described. For example, some operations/steps can be decomposed, and some operations/steps can be combined or partially combined, so the actual execution order may be changed according to the actual situation.

FIG. 1 shows a schematic diagram of an exemplary system architecture 100 to which a service collaborative processing method or a service collaborative processing apparatus according to an embodiment of the present disclosure can be applied.

As shown in FIG. 1 , the system architecture 100 may include user terminals 101 , 102 , a network 103 and a server 104 . The network 103 is the medium used to provide the communication link between the user terminals 101 , 102 and the server 104 . The network 103 may include various connection types, such as wired, wireless communication links, or fiber optic cables, among others.

The user can use the user terminals 101, 102 to interact with the server 104 through the network 103 to receive or send messages and the like. Among them, the user terminals 101, 102 may be various electronic devices having a display screen and supporting the ability to connect to the network 103, including but not limited to smart phones, tablet computers, laptop computers, desktop computers, wearable devices, virtual reality Devices, augmented reality devices, gamepads, smart homes, and more.

The server 104 may be a server that provides various services, for example, a business and background management server that provides support for devices operated by users using the user terminals 101 and 102 . The service and background management server can analyze and process the received request and other data, and feed back the processing result to the user terminal. The server 104 can be divided into an edge server and a central server according to the deployment location. The edge server can receive the uplink data packet from the user terminal 101 (it may also be the user terminal 102), and the source address and destination address of the uplink data packet of the user terminal 101 are the network address of the user terminal 101 and the network address of the edge server respectively; The server can process the uplink data packet of the user terminal 101, and modify the destination address of the uplink data packet of the user terminal 101 to the network address of the central server, so that the user terminal 101 can be transferred to the user through the edge-cloud data transmission tunnel according to the network address of the central server. The uplink data packet of the terminal 101 is sent to the central server, and the central server continues to process the uplink data packet of the user terminal 101; wherein, the edge-cloud data transmission tunnel is established between the first protocol data unit session anchor point user plane function and the second protocol data unit session. In terms of the anchor user plane function, the session anchor user plane function of the first protocol data unit is connected to the central server, and the session anchor user plane function of the second protocol data unit is connected to the edge server.

It should be understood that the numbers of user terminals, networks and servers in FIG. 1 are only schematic, and the server 104 may be an entity server, a server cluster composed of multiple servers, or a cloud server, depending on actual needs , can have any number of user terminals, networks and servers.

FIG. 2 shows a schematic structural diagram of a computer system suitable for implementing an electronic device according to an embodiment of the present disclosure.

It should be noted that the computer system 200 of the electronic device shown in FIG. 2 is only an example, and should not impose any limitations on the functions and scope of use of the embodiments of the present disclosure.

As shown in FIG. 2 , the computer system 200 includes a central processing unit (CPU, Central Processing Unit) 201, which can be loaded into a random device according to a program stored in a read-only memory (ROM, Read-Only Memory) 202 or from a storage part 208 A program in a memory (RAM, Random Access Memory) 203 is accessed to execute various appropriate operations and processes. In the RAM 203, various programs and data necessary for system operation are also stored. The CPU 201 , the ROM 202 , and the RAM 203 are connected to each other through a bus 204 . An input/output (I/O) interface 205 is also connected to the bus 204 .

The following components are connected to the I/O interface 205: an input section 206 including a keyboard, a mouse, etc.; an output section 207 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc. ; a storage part 208 including a hard disk and the like; and a communication part 209 including a network interface card such as a LAN (Local Area Network) card, a modem, and the like. The communication section 209 performs communication processing via a network such as the Internet. A drive 210 is also connected to the I/O interface 205 as needed. A removable medium 211, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is mounted on the drive 210 as needed so that a computer program read therefrom is installed into the storage section 208 as needed.

In particular, according to embodiments of the present disclosure, the processes described below with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program carried on a computer-readable storage medium, the computer program containing program code for performing the method illustrated in the flowchart. In such an embodiment, the computer program may be downloaded and installed from the network via the communication portion 209 and/or installed from the removable medium 211 . When the computer program is executed by the central processing unit (CPU) 201, various functions defined in the method and/or apparatus of the present application are performed.

It should be noted that the computer-readable storage medium shown in the present disclosure may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the above two. The computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus or device, or a combination of any of the above. More specific examples of computer readable storage media may include, but are not limited to, electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read only memory (ROM), erasable Programmable read only memory (EPROM (Erasable Programmable Read Only Memory) or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or the above any suitable combination. In this disclosure, a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device. In the present disclosure, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, carrying computer-readable program code therein. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. A computer-readable signal medium can also be any computer-readable storage medium other than a computer-readable storage medium that can be sent, propagated, or transmitted for use by or in connection with the instruction execution system, apparatus, or device program of. The program code contained on the computer-readable storage medium can be transmitted by any suitable medium, including but not limited to: wireless, wire, optical cable, RF (Radio Frequency, radio frequency), etc., or any suitable combination of the above.

The flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of methods, apparatus and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more logical functions for implementing the specified functions executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It is also noted that each block of the block diagrams or flowchart illustrations, and combinations of blocks in the block diagrams or flowchart illustrations, can be implemented in special purpose hardware-based systems that perform the specified functions or operations, or can be implemented using A combination of dedicated hardware and computer instructions is implemented.

The units involved in the embodiments of the present disclosure may be implemented in software or hardware, and the described units may also be provided in a processor. Among them, the names of these units do not constitute a limitation on the unit itself under certain circumstances.

As another aspect, the present application also provides a computer-readable storage medium. The computer-readable storage medium may be included in the electronic device described in the above-mentioned embodiments; in electronic equipment. The above-mentioned computer-readable storage medium carries one or more programs, and when the above-mentioned one or more programs are executed by an electronic device, the electronic device enables the electronic device to implement the methods described in the following embodiments. For example, the electronic device can implement the various steps shown in FIG. 4 or FIG. 5 or FIG. 6 or FIG. 8 or FIG. 9 or FIG. 12 .

First, some terms involved in the embodiments of the present disclosure are explained.

AN (access network, access network): refers to an implementation system composed of a series of transport entities between a core network and a terminal interface in a mobile communication system to provide required transport bearer capability for transporting telecommunication services. This may refer to 4G base stations connected to the 5G core network, or 5G base stations RAN (radio access network, radio access network) and/or non-3GPP (non-3rd Generation Partnership Project, non-third generation partnership project, non-third generation partnership project, Such as wifi, fixed network access, etc.) at least one access network of the access network.

RAN: It is a part of the mobile communication system. It exists between a device (eg, a mobile phone, a computer, or any remotely controlled machine) and a core network (Core Network, CN), and provides a wireless communication connection between the two.

NF (network function, network function): a network function in a network adopted by 3GPP or defined by 3GPP, which has a defined functional behavior and an interface defined by 3GPP.

AMF (Access and Mobility Management Function, access and mobility management function): mainly responsible for access authentication, authorization and mobility management, it can also be UE (User Equipment, user terminal) and SMF (Session Management Function, session management function) ) between SM messages to provide transport, etc.

SMF: is mainly responsible for the session management function, and may also have an IP (Internet Protocol, Internet Protocol) address allocation function. All or part of SMF functions can be supported in a single instance of SMF: session management, such as session establishment, modification and release, including channel maintenance between UPF (User Plane Function) and AN nodes; UE IP address allocation and Administration (including optional authorization); configure UPF's flow control, route traffic to the correct destination, etc.

UPF: transmits the data packets of the user plane by establishing a PDU (Protocol Data Unit, Protocol Data Unit) session (Session), and is responsible for the routing and forwarding of the packet data, and the policy execution of the packet data. Some or all of the UPF functions can be supported in a single instance of UPF: packet routing and forwarding (e.g., uplink classifier ULCL to offload traffic to the local data network, branch point (BP) to support multi-homed PDU sessions) )Wait.

In the related art, in the subject of MEC enhancement (study on enhancement of support for Edge computing in the 5G Core network) of 3GPP R17, a key problem of performing business collaborative processing in different N6-LANs (Local Area Network, local area network) is proposed. Examples of typical business scenarios involved in this key question:

After the uplink data packets of a certain service are processed by the service server (hereinafter referred to as the edge server) deployed in the edge data center (hereinafter referred to as the local data network, that is, Local DN; or MEC), they need to continue to be processed in the core cloud data. A service server (hereinafter referred to as a central server) deployed in a center (hereinafter referred to as a data network, ie DN) performs subsequent processing.

However, for this scenario, when there is no direct connection between the edge data center and the core cloud data center, there is no relevant research on how to implement multi-point processing of services. For the above scenario of multi-point service processing, the embodiments of the present disclosure propose a solution for multi-point processing of services, which is used to solve the problem of realizing multi-point processing of services when there is no direct connection between the edge data center and the core cloud data center. Multipoint processing mainly includes processing in edge data centers and core cloud data centers.

In order to shorten the network delay, avoid circuitous paths for users to access services and overload the core network, operators always hope that users can access services nearby. In order to achieve the above requirements, the network architecture shown in Figure 3 is introduced into the 5G system. FIG. 3 is called the scheme of the uplink classifier ULCL, which is an architectural diagram of supporting service offloading to an edge data center as defined in a standard in the related art.

In the architecture of Figure 3, the gNB is a 5G base station. Among them, the SMF can decide to insert a ULCL on the data path of the PDU session (Session), that is, insert the ULCL in the user plane link of the UE, so that the I-UPF (intermediate-UPF, intermediate user plane function) supports the ULCL function, According to the data filter issued by the SMF, some uplink data packets of the UE can be offloaded to the local data network, that is, the MEC, and the downlink data packets sent to the UE from the center server (center server) and edge server (edge server) can be distributed. forwarded to the UE. The I-UPF implements the function of offloading the single PDU session of the UE. When a "ULCL" is inserted into a PDU Session data channel, the PDU Session has multiple PDUSession anchor points (such as the two PSA (PDU Session Anchor)-UPF in Figure 3), which provide Multiple different paths to the same DN.

Among them, the insertion or deletion of a ULCL is determined by the SMF and controlled by the SMF through the N4 session. The SMF may decide to insert a UPF that supports ULCL in the data path of the PDU session when the PDU connection is established, or after the PDU is established. The SMF may decide to delete a UPF that supports ULCL on the data path of the PDU session after the PDU is established. The SMF may contain one or more ULCL-capable UPFs on the data path of the PDU session. The UE does not perceive that the data is transferred by the ULCL, nor does it perceive the function of inserting or deleting the ULCL on the PDU session.

FIG. 4 schematically shows a flowchart of a method for collaboratively processing services according to an embodiment of the present disclosure. As shown in FIG. 4 , the method provided by the embodiment of the present disclosure may include the following steps.

In step S410, the edge server is used to receive the uplink data packet from the first user terminal, and the source address and the destination address of the uplink data packet are the network address of the first user terminal and the network address of the edge server, respectively.

In the embodiment of the present disclosure, the first user terminal may be any UE. After the UE establishes a PDU session, it can send an uplink data packet to the I-UPF (with ULCL function) through the gNB, and mark the source address of the uplink data packet as The network address (eg IP address) of the first UE, and the destination address is the network address (eg IP address) of the edge server in the MEC, so that the I-UPF supporting the ULCL function can receive the destination address of the uplink data packet according to the Knowing that the upstream data packet is to be sent to the edge server for processing, the upstream data packet can be sent to the edge server through the PSA-UPF-2 (called the second protocol data unit session anchor user plane function) that communicates with the MEC. Sent to the edge server corresponding to the destination address of the upstream data packet. The edge server here may be any one or more edge servers deployed in the MEC, which is specifically determined by the destination address set by the UE.

In step S420, a first data packet is generated after the upstream data packet is processed by the edge server, and the destination address of the first data packet is set as the network address of the central server, so that according to the network address of the central server, through the edge cloud The data transmission tunnel sends the first data packet to the central server, and the central server continues to process the first data packet.

The edge-cloud data transmission tunnel is established on the first protocol data unit session anchor user plane function (hereinafter abbreviated as PSA-UPF-1) and the second protocol data unit session anchor user plane function. The first protocol data unit session The anchor user plane function is connected to the central server, and the second protocol data unit session anchor user plane function is connected to the edge server.

In the embodiment of the present disclosure, an edge-cloud data transmission tunnel may be established on PSA-UPF-1 and PSA-UPF-2, or PSA-UPF-1, I-UPF and PSA-UPF-2, and the edge-cloud data transmission tunnel The tunnel is usually a tunnel based on a GTP (General Packet Radio Service Tunneling Protocol, General Packet Radio Service Tunneling Protocol) protocol, but the present disclosure is not limited to this. In the embodiment of the present disclosure, the edge cloud data transmission tunnel refers to PSA-UPF-1 and PSA-UPF-2, or PSA-UPF-1, I-UPF and PSA-UPF-1, I-UPF and PSA-UPF- The data transmission tunnel on UPF-2 and the edge cloud data transmission tunnel can be used to realize data forwarding between the core cloud data center and the edge data center. The edge server in the MEC processes the uplink data packet sent by the first UE to generate a first data packet, and sets the source address of the first data packet to still be the network address of the first UE. It is necessary to continue processing through the central server, then the destination address of the first data packet can be set to the network address of one or several central servers in the DN, or the external network address of the central server cluster (for example, IP address). ), and send the first data packet to PSA-UPF-2, PSA-UPF-2 forwards the first data packet to PSA-UPF-1 through the edge cloud data transmission tunnel, and PSA-UPF-1 sends the first data packet to PSA-UPF-1 A data packet is sent to the central server that is consistent with the destination address of the first data packet. Or, PSA-UPF-2 forwards the first data packet to I-UPF through the edge-cloud data transmission tunnel, I-UPF forwards the first data packet to PSA-UPF-1, and PSA-UPF-1 then forwards the first data packet to PSA-UPF-1. The first data packet is sent to a central server that is consistent with the destination address of the first data packet.

In other embodiments, if the edge server determines that the first data packet generated after processing the upstream data packet does not need to continue to be processed by the central server, the destination address of the first data packet generated after the processing can be set to the network address of the first UE, and then send the first data packet to PSA-UPF-2, and PSA-UPF-2 learns according to the destination address of the first data packet that it is to be sent to the first UE, then The first data packet is resent to the I-UPF according to the method defined in the existing standard, and the I-UPF returns the first data packet to the first UE through the gNB according to the destination address of the first data packet.

In the service collaborative processing method provided by the embodiments of the present disclosure, when the edge server receives the uplink data packet from the first user terminal, the edge server will process the uplink data packet to generate the first data packet, and will further determine the first data packet. Whether the data packet needs to be sent to the central server for processing, if the first data packet needs to be sent to the central server for processing, the edge server can set the destination address of the first data packet generated after processing the uplink data packet as the central server In this way, according to the destination address of the first data packet, the pre-established edge-cloud data transmission tunnel can be used to re-send the first data packet to the central server for further processing, so that the multi-point service can be realized. Processing, that is, the business is processed by the edge server and the central server at the same time.

FIG. 5 schematically shows a flowchart of a method for collaboratively processing services according to an embodiment of the present disclosure. As shown in FIG. 5 , compared with the foregoing embodiments, the method provided by the embodiment of the present disclosure is different in that the following steps may be further included.

In step S510, when the first user terminal establishes a protocol data unit session connection including the intermediate user plane function supporting the uplink classifier function by using the session management function, or when the protocol data unit session establishment of the first user terminal is completed. Then, when the intermediate user plane function supporting the uplink classifier function is inserted into the data path of the protocol data unit session of the first user terminal, or when the first user terminal has an existing user plane that includes the uplink classifier function When the establishment of a quality of service (Quality of Service, QoS) flow is triggered on the protocol data unit session of the intermediate user plane function, the session management function is used to trigger the establishment of the edge-cloud data transmission tunnel.

In the embodiment of the present disclosure, the edge-cloud data transmission tunnel can be established when a PDU session with ULCL function is established, or the edge-cloud data transmission tunnel can be established when the SMF modifies an existing PDU session to add the ULCL function, or the SMF This edge cloud data transmission tunnel is established when an existing PDU session is modified to add a new QoS flow. This disclosure does not limit this.

In other embodiments, for the PDU session supporting the BP function, since the implementation method for establishing the side-cloud data transmission tunnel is the same as the implementation method for establishing the side-cloud data transmission tunnel on the PDU session supporting the ULCL function, in the embodiments of the present disclosure, the A PDU session supporting the ULCL function is taken as an example for illustration.

In the embodiment of the present disclosure, the edge cloud data transmission tunnel may be based on UE granularity, that is, an edge cloud data transmission tunnel is established for a PDU session of a UE, and the edge cloud data transmission tunnel can only transmit the PDU session of the UE. the data package. Different side-cloud data transmission tunnels are established for different PDU sessions of a single UE, and multiple side-cloud data transmission tunnels are also established for different PDU sessions of multiple UEs.

In an exemplary embodiment, the establishment of the edge-cloud data transmission tunnel may also be based on UPF granularity, that is, the edge-cloud data transmission tunnel is for two identical PSA UPF-1 and PSA UPF-2 links, or three identical All UEs on PSA-UPF-1, I-UPF and PSA-UPF-2 links are active. Multiple UEs can share the same edge-cloud data transmission tunnel. Here, the multiple UEs can be connected to the link through different gNBs, or connected to the link through the same gNB. This is not limited.

FIG. 6 shows a schematic diagram of a processing procedure of step S510 shown in FIG. 5 in an embodiment. As shown in FIG. 6 , in this embodiment of the present disclosure, the foregoing step S510 may further include the following steps.

In step S521, the session management function sends core network tunnel information (CN (Core Network, core network) Tunnel Info) of the intermediate user plane function to the second protocol data unit session anchor user plane function .

In step S522, the core network tunnel information of the session anchor user plane function of the first protocol data unit is sent to the intermediate user plane function through the session management function.

When the edge-cloud data transmission tunnel is established on PSA-UPF-1, I-UPF and PSA-UPF-2, for uplink data packets sent by UE, SMF can An N4 session is established between UPF-1, and the CN Tunnel Info of the I-UPF corresponding to the edge-cloud data transmission tunnel is sent to PSA-UPF-2 through the N4 session with PSA-UPF-2, and through the N4 session with I-UPF-2 The session sends the CN Tunnel Info of PSA-UPF-1 to the I-UPF.

The CN Tunnel Info may include the TEID (Tunnel Endpoint Identifier, tunnel endpoint identifier) of the UPF devices of the corresponding PDU session (for example, PSA-UPF-1, I-UPF and PSA-UPF-2 here), which is used to uniquely identify a The endpoint of the tunnel, corresponding to a UE or a UE session) and parameters such as an IP address. Usually CN TunnelInfo is allocated by each UPF and sent to SMF through the corresponding N4 session, and the present disclosure does not limit the allocation subject of CN Tunnel Info.

The SMF will also issue the corresponding packet inspection rules to each UPF. According to the packet inspection rules issued by the SMF, the PSA-UPF-2 can know whether the first packet from the edge server needs to continue to be sent through the edge-cloud data transmission tunnel. to the central server for processing. When PSA-UPF-2 receives the first data packet sent by the edge server, it will judge how to process the first data packet according to the received data packet detection rules, and encapsulate the first data packet according to the corresponding processing rules Afterwards, the first data packet is forwarded on the corresponding PDU session.

FIG. 7 schematically shows an architecture diagram of supporting edge-cloud collaboration according to an embodiment of the present disclosure.

As shown in Figure 7, the UE sends an uplink data packet to the I-UPF on the PDU session-1 through the N3 interface of the gNB, and the I-UPF sends the uplink data packet sent by the UE to the PSA-UPF-2 through the N9 interface. -UPF-2 then sends the upstream data packet to an edge server in the MEC through the N6 interface according to the destination address of the upstream data packet, and the edge server can process the upstream data packet.

In the embodiment of FIG. 7 , based on the ULCL offloading method defined above, when a PDU session with ULCL function is established, the SMF will simultaneously trigger the establishment of a side-cloud data transmission tunnel through the N4 session, and the side-cloud data transmission tunnel is connected from the connection PSA-UPF-2 to I-UPF of the edge server of the MEC, to PSA-UPF-1 connected to the central server deployed in the DN. Through the edge-cloud data transmission tunnel, traffic can be routed from the edge server deployed in the MEC to the central server deployed in the DN.

The following enhancements can be made through the edge-cloud data transmission tunnel:

First, whether the upstream data packets processed by the edge server need to be sent to the central server deployed in the DN for further processing is determined by the edge server deployed in the MEC. The destination address of the uplink data packet sent by the UE is the network address of the edge server deployed in the MEC. If the first data packet generated after the edge server has processed the uplink data packet of the UE does not need to be processed by the central server deployed in the DN, the edge server will directly send the first data packet generated after processing the uplink data packet (this when the first data packet is a downlink data packet) to the UE. If the first data packet generated after the processing by the edge server deployed in the MEC needs to continue to be processed by the central server deployed in the DN, the edge server deployed in the MEC will process the first data packet generated after processing. The destination address is set to the network address of the central server deployed in the DN.

Second, when the PSA-UPF-2 receives the first data packet from the edge server deployed in the MEC through the N6 interface, it will judge whether the first data packet is sent to a certain address according to the destination address of the first data packet. of a UE. If the destination address of the first data packet is different from the IP address of any UE pre-stored on the PSA-UPF-2, and the source address of the first data packet is the IP address of a certain UE, it is considered that the first data packet is the IP address of a certain UE. The data packet of the UE identified by the source address needs to be sent to the PSA UPF-1 connected to the DN, and needs to be sent by the PSA UPF-1 to the central server deployed in the DN. Therefore, the PSA UPF-2 will forward the first data packet as an uplink data packet through the edge-cloud data transmission tunnel.

Third, PSA UPF-2 will mark the first data packet as an uplink data packet, encapsulate it with CN Tunnel Info of the edge-cloud data transmission tunnel, and set the TEID value as the I-UPF in the edge-cloud data transmission tunnel The TEID value corresponding to the data transmission tunnel of the edge cloud, that is, the CN Tunnel Info of the I-UPF provided by the above SMF to the PSA UPF-2, and then the PSA UPF-2 will pass the first data packet through the edge cloud data through an N9 interface Transport tunneling occurs to the I-UPF.

Fourth, after receiving the first data packet, the I-UPF will detect the CN Tunnel Info of the first data packet. If the CN Tunnel Info corresponds to the CN Tunnel Info of the I-UPF of the edge-cloud data transmission tunnel , then the I-UPF can determine that the first data packet needs to be sent to the central server through the edge-cloud data transmission tunnel. At this time, the I-UPF continues to use the CN Tunnel Info of the PSA UPF-1 corresponding to the edge-cloud data transmission tunnel. The first data packet is encapsulated, and the TEID value is set as the TEID value of the PSA UPF-1 in the edge cloud data transmission tunnel corresponding to the edge cloud data transmission tunnel, that is, the SMF provides the cloud data transmission tunnel when establishing the cloud data transmission tunnel. To the CN Tunnel Info of the PSA UPF-1 of the I-UPF, then the I-UPF will further send the first data packet to the PSAUPF-1 through the edge cloud data transmission tunnel through another N9 interface. The PSA UPF-1 will send the first data packet to the central server corresponding to the destination address of the first data packet deployed in the DN through the N6 interface.

The multipoint processing process of the uplink data packet is described below with reference to the edge-cloud data transmission tunnel shown in the embodiment of FIG. 7 . As shown in FIG. 8 , in this embodiment of the present disclosure, the foregoing step S420 may further include the following steps.

In step S421, the edge server sends the first data packet to the second protocol data unit session anchor user plane function.

In step S422, the session anchor user plane function of the second protocol data unit encapsulates the first data packet according to the CN Tunnel Info corresponding to the intermediate user plane function of the edge-cloud data transmission tunnel, and sends the first data packet to the intermediate user plane function.

Specifically, after PSA UPF-2 receives the first data packet from the edge server, it will first determine whether the first data packet needs to be forwarded through the edge cloud data transmission tunnel. If the destination address of the first data packet is the same as that of PSA UPF-2 If the IP address of a certain UE stored on the PSA UPF-2 is the same, it means that the first data packet does not need to be forwarded through the edge-cloud data transmission tunnel; if the destination address of the first data packet is the same as the IP address of each UE stored on the PSA UPF-2 If the first data packet is different, then it is determined that the first data packet is an uplink data packet that needs to be forwarded to the central server through the edge-cloud data transmission tunnel, and it can be determined according to the source address of the first data packet which UE's edge-cloud data transmission corresponds to. Tunnel, at this time, the first data packet can be encapsulated according to the CN Tunnel Info of the I-UPF corresponding to the edge-cloud data transmission tunnel, and the first data packet of the first user terminal is sent to the intermediate user plane function.

In step S423, the intermediate user plane function encapsulates the first data packet according to the CN Tunnel Info of the PSA UPF-1 corresponding to the edge-cloud data transmission tunnel, and sends the first data packet of the first user terminal to the Describe the first protocol data unit session anchor user plane function.

Specifically, after the I-UPF receives the first data packet from the PSA UPF-2, the intermediate user plane function determines, according to the CN Tunnel Info of the first data packet, that the first data packet needs to be forwarded through the edge-cloud data transmission tunnel to The first protocol data unit session anchor, and encapsulates the first data packet according to the CN Tunnel Info of the PSA UPF-1 corresponding to the edge-cloud data transmission tunnel, and sends the first data packet of the first user terminal to The first protocol data unit session anchor user plane function.

In step S424, the first protocol data unit session anchor user plane function sends the uplink data packet of the first user terminal to the central server.

FIG. 9 schematically shows a flowchart of a method for collaboratively processing services according to an embodiment of the present disclosure. As shown in FIG. 9 , compared with the foregoing embodiment, the method provided by the embodiment of the present disclosure may further include the following steps.

In step S910, after processing the first data packet, the central server generates a downlink data packet of the first user terminal, and sets the destination address of the downlink data packet of the first user terminal as the first user terminal. A network address of the user terminal.

In the embodiment of the present disclosure, the central server may also set the source address of the downlink data packet as the network address of the central server.

In step S920, the central server sends the downlink data packet of the first user terminal to the first protocol data unit session anchor user plane function.

In step S930, the first protocol data unit session anchor user plane function sends the downlink data packet of the first user terminal to the intermediate user plane function of the protocol data unit session of the first user terminal.

In the embodiment of the present disclosure, the first protocol data unit session anchor user plane function sends the downlink data packet of the first user terminal to the intermediate user plane function on the corresponding PDU session according to the data packet detection rule .

In step S940, the intermediate user plane function sends the downlink data packet of the first user terminal to the first user terminal.

In the embodiment of FIG. 9 , the downlink data packets generated after the central server in the DN processes the uplink data packets can be directly returned to the first UE through PSA-UPF-1 and I-UPF.

FIG. 10 schematically shows a business flow chart of a method for collaborative business processing according to an embodiment of the present disclosure.

As shown in FIG. 10 , in conjunction with the edge-cloud data transmission tunnel shown in FIG. 7 , the process of sending uplink data packets and downlink data packets is described, which may include the following steps.

Step 1. In the PDU session establishment procedure initiated by the UE or the PDU session modification procedure initiated by the SMF, the SMF inserts the I-UPF to support the ULCL function. This function implements the offloading of specific data packets to the PSA UPF-2 and further sent to the local data network.

Step 2. The SMF triggers the establishment of an edge-cloud data transmission tunnel, and the edge-cloud data transmission tunnel is established on PSA UPF-1, I-UPF and PSA UPF-2.

Step 3: The uplink data packet whose destination address is the network address of the edge server deployed in the MEC sent by the UE is sent to the I-UPF through the gNB.

Step 4: After receiving the upstream data packet, the I-UPF sends the upstream data packet to the PSA-UPF-2 according to the offloading rule configured by the SMF for implementing the ULCL function.

Step 5. After receiving the upstream data packet, PSA-UPF-2 sends the upstream data packet to the edge server in the local DN.

Step 6: The edge server in the local DN generates a first data packet after processing the upstream data packet, and determines whether the first data packet generated by processing the upstream data packet needs to be sent to the central server in the DN. If it does not need to be sent to the central server for processing, the destination address of the first data packet is set as the network address of the first UE, and subsequently the first data packet can be directly sent to the first data packet as a downlink data packet through I-UPF UE; if the first data packet also needs to be sent to the central server in the DN to continue processing, then the destination address of the first data packet is set to the network address of the central server in the DN, and the first data packet is sent to PSA- UPF-2.

Step 7: The edge server sends the first data packet to PSA UPF-2. It is assumed here that the first data packet needs to be sent to the central server in the DN for further processing, then the edge server in the local DN forwards the first data packet whose destination address is the network address of the central server to PSA UPF-2, and sets the The source address of the first data packet is the network address of the first UE.

Step 8. When the PSA UPF-2 receives the first data packet from the edge server, it will judge whether the first data packet is sent to a certain UE according to the destination address of the first data packet. If the destination address of the first data packet is different from the IP address of any UE on the PSA UPF-2, it is considered that the first data packet is not a downlink data packet sent to the UE. The source address determines whether it is associated with the edge cloud data transmission tunnel of which UE, and sets the first data packet as the uplink data packet of the first UE identified by the source address of the first data packet, and according to the first UE The CN Tunnel Info of the I-UPF corresponding to the edge-cloud data transmission tunnel encapsulates the first data packet. The PSA-UPF-2 forwards the first data packet to the I-UPF through the edge-cloud data transmission tunnel, and the I-UPF determines that the first data packet needs to be forwarded through the edge-cloud data transmission tunnel according to the CN Tunnel Info of the first data packet , and encapsulate the first data packet according to the CN Tunnel Info of PSA UPF-1 of the edge-cloud data transmission tunnel, and send it to PSA-UPF-1, PSA-UPF-1 through the edge-cloud data transmission tunnel of the first UE The first data packet is then sent to the central server in the DN.

Step 9: The central server continues to process the first data packet to generate a downlink data packet of the first UE.

Step 10, the central server in the DN sets the destination address of the downlink data packet of the first UE to the network address of the first UE and sends it to PSA-UPF-1, when PSA-UPF-1 receives the downlink data packet, The downlink data packet is then sent to the I-UPF through the PDU session of the first UE, and the I-UPF then sends the downlink data packet to the UE.

In the above embodiments, the edge-cloud data transmission tunnels are established on PSA UPF-1, I-UPF, and PSA UPF-2 as an example for illustration. At this time, it is not necessary to establish a direct additional connection between the PSA UPF-1 and the PSA UPF-2, and an edge-cloud data transmission tunnel can be established through the I-UPF.

In other embodiments, the edge-cloud data transmission tunnel may also be directly established on PSA UPF-1 and PSA UPF-2. That is, SMF can determine whether the edge-cloud data transmission tunnel needs to go through I-UPF as needed. If an edge-cloud data transmission tunnel can be established between PSA UPF-1 and PSA UPF-2, it can The edge-cloud data transmission tunnel is established between 2 without going through I-UPF. At this time, the edge-cloud data transmission tunnel does not need to go through I-UPF, so the data transmission is faster and more timely, and the implementation is simpler.

In an exemplary embodiment, the edge-cloud data transmission tunnel may be applicable to a plurality of user terminals establishing a protocol data unit session to a first protocol data unit session anchor user plane function and a second protocol data unit session anchor user plane function , the plurality of user terminals may include the first user terminal.

Wherein, when the edge-cloud data transmission tunnel is established on PSA UPF-1 and PSA UPF-2, using the session management function to trigger the establishment of the edge-cloud data transmission tunnel may include: using the session management function to The core network tunnel information of the session anchor user plane function of the first protocol data unit is sent to the second protocol data unit session anchor user plane function. That is, the SMF provides the CN Tunnel Info of the PSA UPF-1 corresponding to the edge-cloud data transmission tunnel to the PSAUPF-2.

FIG. 11 schematically shows an architecture diagram of supporting edge-cloud collaboration according to an embodiment of the present disclosure.

As shown in FIG. 11 , the difference from the above-mentioned embodiment in FIG. 7 is that when the SMF triggers the establishment of an edge-cloud data transmission tunnel through an N4 session, the core network tunnel information of the PSA-UPF-1 corresponding to the edge-cloud data transmission tunnel is stored. and data packet inspection rules are sent to PSA-UPF-2, that is, the edge-cloud data transmission tunnel is directly established on PSA-UPF-1 and PSA-UPF-2 without going through I-UPF transit.

FIG. 12 shows a schematic diagram of the processing procedure of step S420 shown in FIG. 4 in an embodiment. As shown in FIG. 12 , in this embodiment of the present disclosure, the foregoing step S420 may further include the following steps.

In step S425, the edge server sends the first data packet to the second protocol data unit session anchor user plane function.

Here, the destination address of the first data packet is set as the network address of the central server, and the source address of the first data packet is the network address of the first UE.

In step S426, the second protocol data unit session anchor user plane function encapsulates the first data packet according to the CN Tunnel Info of the first protocol data unit session anchor user plane function corresponding to the edge-cloud data transmission tunnel, and sending the first data packet to the session anchor user plane function of the first protocol data unit.

Specifically, PSA UPF-2 judges whether the destination address of the first data packet is consistent with the network address of a certain UE, and if it is different from the network address of any UE, it is considered that the first data packet is sent to the central server , and apply the CN Tunnel Info of the edge-cloud data transmission tunnel corresponding to PSA UPF-1 to encapsulate the first data packet, set the first data packet as an uplink data packet, and use the first data packet to Sent to PSA UPF-1.

In step S427, the first protocol data unit session anchor user plane function sends the first data packet to the central server.

In the embodiment of FIG. 12 , the edge-cloud data transmission tunnel is directly established on PSA UPF-1 and PSA UPF-2. Therefore, PSA UPF-2 receives the first UE’s No. 1 After one data packet, the first data packet is directly forwarded to the PSA UPF-1, and the PSA UPF-1 can then forward it to the central server in the DN, which is simpler and more convenient to implement.

FIG. 13 schematically shows a business flow chart of a method for collaborative business processing according to an embodiment of the present disclosure. As shown in FIG. 13 , step 1 is similar to step 1 in the above-mentioned embodiment of FIG. 10 .

Step 2. SMF is connected to PSA UPF-1, I-UPF and PSA UPF-2 respectively through three N4 sessions to trigger the establishment of an edge-cloud data transmission tunnel established on PSA UPF-1 and PSA UPF-2. PSA UPF-2 on.

Step 3: The uplink data packet whose destination address is the network address of the edge server deployed in the MEC sent by the UE is sent to the I-UPF through the gNB.

Step 4: After receiving the upstream data packet, the I-UPF sends the upstream data packet to the PSA-UPF-2 according to the offloading rule configured by the SMF for implementing the ULCL function.

Step 5. After receiving the upstream data packet, PSA-UPF-2 sends the upstream data packet to the edge server in the local DN.

Step 6: The edge server in the local DN generates a first data packet after processing the upstream data packet, and determines whether the first data packet needs to be sent to the central server in the DN. If it does not need to be sent to the central server for processing, configure the destination address of the first data packet as the network address of the first UE, and then directly send the first data packet as a downlink data packet to the first data packet through I-UPF. UE; if the first data packet also needs to be sent to the central server in the DN to continue processing, then set the destination address of the first data packet to the network address of the central server in the DN, and forward the first data packet to the PSA-UPF -2.

Step 7. It is assumed here that the first data packet needs to be sent to the central server in the DN to continue processing, then the edge server in the local DN forwards the first data packet whose destination address is the network address of the central server to PSA UPF-2, and In this case, the source address of the first data packet is set as the network address of the first UE.

Step 8. When the PSA UPF-2 receives the first data packet from the edge server, it will judge whether the first data packet is sent to a certain UE according to the destination address of the first data packet. If the destination address of the first data packet is different from the IP address of any UE on the PSA UPF-2, it is considered that the first data packet should be forwarded through the edge cloud data transmission tunnel, and then according to the source of the first data packet The address determines which UE's uplink data packet is, and sets the first data packet as the uplink data packet of the first UE identified by the source address of the first data packet, and according to the PSAUPF received on the PSA UPF-2 The CN Tunnel Info of the edge-cloud data transmission tunnel of -1 encapsulates the upstream first data packet. PSA-UPF-2 forwards the first data packet to PSA-UPF-1 through the edge-cloud data transmission tunnel, and PSA-UPF-1 sends the first data packet to the central server in the DN.

Step 9: The central server continues to process the first data packet to generate a downlink data packet.

In step 10, the central server in the DN generates a downlink data packet after processing the first data packet, and sets the destination address of the downlink data packet as the network address of the first UE, and the central server in the DN sends the downlink data packet to the PSA -UPF-1, when PSA-UPF-1 receives the downlink data packet, it sends the downlink data packet to the I-UPF through the PDU session of the first UE, and the I-UPF sends the downlink data packet to the UE.

FIG. 14 schematically shows a block diagram of a service collaborative processing apparatus according to an embodiment of the present disclosure. As shown in FIG. 14 , the apparatus 1700 for cooperative service processing provided by the embodiment of the present disclosure may include: an uplink data packet receiving unit 1710 and an uplink data packet processing unit 1720 .

The uplink data packet receiving unit 1710 may be configured to use the edge server to receive an uplink data packet from a first user terminal, where the source address and destination address of the uplink data packet of the first user terminal are respectively the first user terminal's The network address and the network address of the edge server. The upstream data packet processing unit 1720 may be configured to generate a first data packet after processing the upstream data packet by the edge server, and set the destination address of the first data packet to the network address of the central server, so as to facilitate the processing of the upstream data packet by the edge server. According to the network address of the central server, the first data packet is sent to the central server through the edge-cloud data transmission tunnel, and the central server continues to process the first data packet.

The edge-cloud data transmission tunnel is established on the session anchor user plane function of the first protocol data unit and the session anchor user plane function of the second protocol data unit, and the first protocol data unit session anchor user plane function is connected to The central server and the second protocol data unit session anchor user plane function are connected to the edge server.

In an exemplary embodiment, the service cooperative processing apparatus 1700 may further include: a tunnel triggering establishment unit, which may be configured to use the session management function to establish at the first user terminal an intermediate user plane function including an uplink classifier function. When the protocol data unit session connection is established, or after the protocol data unit session of the first user terminal is established, insert a data path supporting the uplink classifier function on the data path of the protocol data unit session of the first user terminal. the intermediate user plane function, or when the first user terminal triggers establishment of a quality of service flow on an existing protocol data unit session that includes an intermediate user plane function supporting the uplink classifier function, using the session The management function triggers the establishment of the edge-cloud data transmission tunnel.

In an exemplary embodiment, the tunnel trigger establishment unit may include: a first tunnel information sending unit, which may be configured to send the core network tunnel information of the intermediate user plane function to the second protocol data through the session management function unit session anchor user plane function; a second tunnel information sending unit, which can be configured to send the core network tunnel information of the session anchor user plane function of the first protocol data unit to the intermediate user plane through the session management function Function.

In an exemplary embodiment, the uplink data packet processing unit 1720 may include: a first uplink data packet sending unit, which may be configured to send the first data packet to the second protocol data unit session anchor through the edge server point user plane function; the second uplink data packet sending unit can be used for the second protocol data unit session anchor point user plane function according to the core network tunnel information of the intermediate user plane function corresponding to the edge cloud data transmission tunnel Encapsulate the first data packet, and send the first data packet to the intermediate user plane function; a third uplink data packet sending unit can be used for the intermediate user plane function according to the corresponding edge cloud The core network tunnel information of the first protocol data unit session anchor user plane function of the data transmission tunnel encapsulates the first data packet, and sends the first data packet to the first protocol data unit session The anchor user plane function; the fourth uplink data packet sending unit can be used for the session anchor user plane function of the first protocol data unit to send the first data packet to the central server.

In an exemplary embodiment, the edge-cloud data transmission tunnel may be adapted to establish protocol data units to the first protocol data unit session anchor user plane function and the second protocol data unit session anchor user plane function a plurality of user terminals of a session, the plurality of user terminals including the first user terminal. The tunnel trigger establishment unit may include: a third tunnel information sending unit, which may be configured to send the core network tunnel information of the session anchor user plane function of the first protocol data unit to the second through the session management function Protocol data unit session anchor user plane function.

In an exemplary embodiment, the uplink data packet processing unit 1720 may include: a fifth uplink data packet sending unit, which may be configured to send the first data packet to the second protocol data unit session anchor through the edge server point user plane function; the sixth uplink data packet sending unit can be used for the second protocol data unit session anchor point user plane function according to the first protocol data unit session anchor point user corresponding to the edge cloud data transmission tunnel The core network tunnel information of the plane function encapsulates the first data packet, and sends the first data packet to the first protocol data unit session anchor point user plane function; the seventh uplink data packet sending unit may for the first protocol data unit session anchor user plane function to send the first data packet to the central server.

In an exemplary embodiment, the service cooperative processing apparatus 1700 may further include: a first downlink data packet generating unit, which may be configured to generate a data packet of the first user terminal after the central server has processed the first data packet. downlink data packets, and set the destination address of the downlink data packets of the first user terminal as the network address of the first user terminal; the first downlink data packet forwarding unit can be used by the central server to transfer the first A downlink data packet of a user terminal is sent to the session anchor user plane function of the first protocol data unit; a second downlink data packet forwarding unit can be used for the session anchor user plane function of the first protocol data unit to transfer the The downlink data packet of the first user terminal is sent to the intermediate user plane function of the protocol data unit session of the first user terminal; the third downlink data packet forwarding unit can be used for the intermediate user plane function to transfer the first user The downlink data packet of the terminal is sent to the first user terminal.

For the specific implementation of each unit in the apparatus for collaboratively processing services provided by the embodiments of the present disclosure, reference may be made to the content in the above-mentioned method for collaboratively processing services, which will not be repeated here.

It should be noted that although several units of the apparatus for action performance are mentioned in the above detailed description, this division is not mandatory. Indeed, in accordance with embodiments of the present disclosure, the features and functions of two or more units described above may be embodied in a single unit. Conversely, the features and functions of one unit described above may be further subdivided to be embodied by multiple units.

From the description of the above embodiments, those skilled in the art can easily understand that the exemplary embodiments described herein may be implemented by software, or may be implemented by software combined with necessary hardware. Therefore, the technical solutions according to the embodiments of the present disclosure may be embodied in the form of software products, and the software products may be stored in a non-volatile storage medium (which may be CD-ROM, U disk, mobile hard disk, etc.) or on the network , which includes several instructions to cause a computing device (which may be a personal computer, a server, a touch terminal, or a network device, etc.) to execute the method according to an embodiment of the present disclosure.

Other embodiments of the present disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or techniques in the technical field not disclosed by the present disclosure . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A business collaborative processing method, characterized in that, comprising: Using the edge server to receive the uplink data packet from the first user terminal, the source address and the destination address of the uplink data packet are the network address of the first user terminal and the network address of the edge server, respectively; The edge server processes the uplink data packet to generate a first data packet, and sets the destination address of the first data packet as the network address of the central server, so that according to the network address of the central server, Send the first data packet to the central server through the edge-cloud data transmission tunnel, and the central server continues to process the first data packet; The edge-cloud data transmission tunnel is established on the session anchor user plane function of the first protocol data unit and the session anchor user plane function of the second protocol data unit, and the first protocol data unit session anchor user plane function is connected to The central server and the second protocol data unit session anchor user plane function are connected to the edge server. 2. The business collaborative processing method according to claim 1, further comprising: When the first user terminal establishes a protocol data unit session connection including an intermediate user plane function supporting the uplink classifier function by using the session management function, or after the establishment of the protocol data unit session of the first user terminal is completed, When an intermediate user plane function supporting the uplink classifier function is inserted into the data path of the protocol data unit session of the first user terminal, or when the first user terminal has an existing one that supports the uplink When the establishment of a quality of service flow is triggered on the protocol data unit session of the intermediate user plane function of the link classifier function, the session management function is used to trigger the establishment of the edge-cloud data transmission tunnel. 3. The method for collaborative processing of services according to claim 2, characterized in that, using the session management function to trigger the establishment of the edge-cloud data transmission tunnel, comprising: sending the core network tunnel information of the intermediate user plane function to the session anchor user plane function of the second protocol data unit through the session management function; The core network tunnel information of the session anchor user plane function of the first protocol data unit is sent to the intermediate user plane function through the session management function. 4. The service collaborative processing method according to claim 3, characterized in that a first data packet is generated after the upstream data packet is processed by the edge server, and a destination address of the first data packet is set to is the network address of the central server, so that the first data packet is sent to the central server through the edge-cloud data transmission tunnel according to the network address of the central server, including: sending the first data packet to the second protocol data unit session anchor user plane function through the edge server; The second protocol data unit session anchor user plane function encapsulates the first data packet according to the core network tunnel information corresponding to the intermediate user plane function of the edge-cloud data transmission tunnel, and encapsulates the first data packet. sending data packets to the intermediate user plane function; The intermediate user plane function encapsulates the first data packet according to the core network tunnel information of the first protocol data unit session anchor user plane function corresponding to the edge-cloud data transmission tunnel, and encapsulates the first data packet. sending the data packet to the first protocol data unit session anchor user plane function; The first protocol data unit session anchor user plane function sends the first data packet to the central server. 5 . The service collaborative processing method according to claim 2 , wherein the edge-cloud data transmission tunnel is suitable for establishing a session anchor user plane function between the first protocol data unit and the second protocol data unit. 6 . Multiple user terminals of a protocol data unit session of a session anchor user plane function, the multiple user terminals include the first user terminal; wherein, using the session management function to trigger the establishment of the edge-cloud data transmission tunnel, including : The core network tunnel information of the session anchor user plane function of the first protocol data unit is sent to the session anchor user plane function of the second protocol data unit through the session management function. 6 . The service collaborative processing method according to claim 5 , wherein a first data packet is generated after the upstream data packet is processed by the edge server, and a destination address of the first data packet is set as the destination address of the first data packet. 7 . is the network address of the central server, so that the first data packet is sent to the central server through the edge-cloud data transmission tunnel according to the network address of the central server, including: sending the first data packet to the second protocol data unit session anchor user plane function through the edge server; The second protocol data unit session anchor user plane function encapsulates the first data packet according to the core network tunnel information of the first protocol data unit session anchor user plane function corresponding to the edge-cloud data transmission tunnel , and send the first data packet to the first protocol data unit session anchor user plane function; The first protocol data unit session anchor user plane function sends the first data packet to the central server. 7. The business collaborative processing method according to any one of claims 1 to 6, further comprising: After processing the first data packet, the central server generates a downlink data packet of the first user terminal, and sets the destination address of the downlink data packet of the first user terminal to the network of the first user terminal address; sending, by the central server, the downlink data packet of the first user terminal to the first protocol data unit session anchor user plane function; The first protocol data unit session anchor user plane function sends the downlink data packet of the first user terminal to the intermediate user plane function of the protocol data unit session of the first user terminal; The intermediate user plane function sends the downlink data packet of the first user terminal to the first user terminal. 8. A service collaborative processing device, comprising: The uplink data packet receiving unit is configured to use the edge server to receive the uplink data packet from the first user terminal, and the source address and the destination address of the uplink data packet are the network address of the first user terminal and the edge server's network address respectively. website address; The uplink data packet processing unit is configured to generate a first data packet after processing the uplink data packet by the edge server, and set the destination address of the first data packet as the network address of the central server, so as to facilitate The network address of the central server, the first data packet is sent to the central server through the edge-cloud data transmission tunnel, and the central server continues to process the first data packet; The edge-cloud data transmission tunnel is established on the session anchor user plane function of the first protocol data unit and the session anchor user plane function of the second protocol data unit, and the first protocol data unit session anchor user plane function is connected to The central server and the second protocol data unit session anchor user plane function are connected to the edge server. 9. An electronic device, characterized in that, comprising: one or more processors; A storage device configured to store one or more programs which, when executed by the one or more processors, cause the one or more processors to implement any one of claims 1 to 7 A described business collaborative processing method. 10. A computer-readable storage medium storing a computer program, characterized in that, when the computer program is executed by a processor, the service according to any one of claims 1 to 7 is implemented Co-processing method.

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