CN-122029885-A - Method and device for determining service address information

CN122029885ACN 122029885 ACN122029885 ACN 122029885ACN-122029885-A

Abstract

The embodiment of the application provides a method and a device for determining service address information, wherein the method comprises the steps that first access network equipment sends first switching request information to second access network equipment, the first switching request information is used for requesting first terminal equipment to switch to the second access network equipment, the first switching request information comprises indication information of first service, first switching confirmation information is received from the second access network equipment, the first switching confirmation information comprises address information of the first service determined by the second access network equipment based on the indication information of the first service, and switching indication information is sent to the first terminal equipment and used for indicating the first terminal equipment to switch to the second access network equipment according to the address information of the first service. In the method, when the first access network device requests the first terminal device to access the second access network device, the second access network device can determine new address information for the service of the first terminal device so as to ensure that the service of the first terminal device can continue after the switching of the first terminal device is completed.

Inventors

LIU ZHE
PENG CHENGHUI
WANG FEI
Huang huanhuan

Assignees

华为技术有限公司

Dates

Publication Date: 20260512
Application Date: 20231016

Claims (20)

A method for determining service address information, the method being applied to a first access network device and comprising: Transmitting first switching request information to second access network equipment, wherein the first switching request information is used for requesting a first terminal equipment to switch to the second access network equipment, and the first switching request information comprises indication information of a first service of the first terminal equipment; Receiving first switching confirmation information from the second access network equipment, wherein the first switching confirmation information comprises address information of the first service, and the address information of the first service is determined by the second access network equipment based on the indication information of the first service; And sending switching instruction information to the first terminal equipment, wherein the first switching instruction information comprises address information of the first service, and the switching instruction information is used for instructing the first terminal equipment to switch to the second access network equipment according to the address information of the first service.
The method according to claim 1, wherein the address information of the first service includes an ID/address of a service computing execution function CE corresponding to at least one target node, the at least one target node is a node providing the first service, wherein the at least one target node includes the second access network device and/or at least one neighboring node, any one of the target nodes satisfies a preset condition, the preset condition includes that a node has deployed the first service, and a load corresponding to the first service provided by the node is lower than a preset threshold.
The method of claim 1, wherein prior to sending the first handover request information to the second access network device, further comprising: And confirming that the first terminal equipment switches to an access cell.
A method according to claim 3, wherein said confirming that the first terminal device switches access cells comprises: receiving first measurement information from the first terminal equipment, wherein the first measurement information comprises a measurement event; And based on the measurement event, when the signal quality of the neighbor cell of the cell where the first terminal equipment is currently located is measured to be higher than the signal quality of the cell where the first terminal equipment is currently located, confirming that the first terminal equipment is switched to the access cell.
The method of claim 1, wherein the first handover request message further includes status indication information, the status indication information being used to indicate a service status of the first service.
The method according to claim 1, wherein the handover indication information further includes one or more of: The method comprises the steps of indicating information of a first service, identification information of a target cell, dedicated Random Access Channel (RACH) resources, system information of second access network equipment and association information of the RACH and a Synchronous Signal Block (SSB).
A method for determining service address information, the method being applied to a second access network device, comprising: Receiving first switching request information from first access network equipment, wherein the first switching request information is used for requesting first terminal equipment to switch to second access network equipment, and the first switching request information comprises indication information of first service of the first terminal equipment; determining address information of the first service based on the indication information of the first service; and sending first switching confirmation information to the first access network equipment, wherein the first switching confirmation information comprises address information of the first service.
The method of claim 7, wherein the address information of the first service includes an ID/address of a service computing execution function CE corresponding to at least one target node, the at least one target node is a node providing the first service, wherein the at least one target node includes the second access network device and/or at least one neighboring node, any one of the target nodes satisfies a preset condition, the preset condition includes that a node has deployed the first service, and a load corresponding to the first service provided by the node is lower than a preset threshold.
The method of claim 7, wherein the first handover request message further includes status indication information, the status indication information indicating a service status of the first service.
The method of claim 8, wherein the determining address information for the first service based on the indication information for the first service comprises: acquiring first information of at least one node providing the first service and an ID/address of a service CE corresponding to the at least one node, wherein the first information of each node comprises deployment information, load information and the ID and/or address of the node; and determining at least one target node from the at least one node according to the deployment information and the load information corresponding to the at least one node, and determining the ID/address of the service CE corresponding to the at least one target node.
The method according to claim 10, wherein the obtaining the first information of the at least one node providing the first service and the ID/address of the service CE corresponding to the at least one node comprises: Determining the first information of the at least one node and the ID/address of the service CE corresponding to the at least one node from the first information of the plurality of nodes and the ID/address of the corresponding service CE provided by the computation management function CMF, or The method comprises the steps of receiving a request message of node information from a Computing Management Function (CMF), wherein the request message of the node information comprises indication information of a first service, adjacent node information and strategy information of the first service, and receiving a response message of the node information from the CMF, and the response message of the node information comprises first information of at least one node and an ID/address of a service CE corresponding to the at least one node.
The method according to claim 10, wherein the method further comprises: and establishing a communication tunnel corresponding to the first service according to the ID/address of the service CE corresponding to the at least one target node.
The method of claim 12, wherein if the at least one target node does not include the second access network device, the establishing the communication tunnel corresponding to the first service according to the ID/address of the service CE corresponding to the at least one target node comprises: Based on the ID/address of the service CE corresponding to each target node, sending first request information to the service CE corresponding to each target node, wherein the first request information comprises downlink tunnel endpoint information; Receiving first response information from a service CE corresponding to each target node, wherein the first response information comprises uplink tunnel endpoint information; And establishing a corresponding communication tunnel based on the downlink tunnel endpoint information and the uplink tunnel endpoint information.
The method of claim 10, wherein the communication tunnel corresponding to the first service is established, wherein the communication tunnel corresponding to the first service corresponds to a service-level tunnel and corresponds to a terminal list, wherein the terminal list includes an ID/address of at least one terminal device, and wherein the method further comprises: if the terminal list does not include the ID/address of the first terminal equipment, adding the ID/address of the first terminal equipment into the terminal equipment list to obtain an updated terminal list; And maintaining the corresponding relation between the communication tunnel corresponding to the first service and the updated terminal list.
The method according to claim 12 or 14, characterized in that the method further comprises: Receiving a first message from the first terminal equipment, wherein the first message comprises indication information of the first service, determining a target communication tunnel from a communication tunnel corresponding to the first service according to the indication information of the first service and policy information of the first service, sending the first message through the target communication tunnel, or The method comprises the steps of receiving a first message from a first terminal device, wherein the first message comprises ID/address information of a target service CE, determining a target communication tunnel corresponding to the target service CE from a communication tunnel corresponding to the first service according to the ID/address of the target service CE, and sending the first message through the target communication tunnel.
A method for determining service address information, wherein the method is applied to a first terminal device, and the first terminal device performs a first service, and the method comprises: Receiving switching instruction information from first access network equipment, wherein the first switching instruction information comprises address information of the first service, and the switching instruction information is used for instructing the first terminal equipment to switch to second access network equipment according to the address information of the first service; And switching to the second access network equipment based on the address information of the first service.
The method of claim 16, wherein the address information of the first service includes an ID/address of a service computing execution function CE corresponding to at least one target node, the at least one target node is a node providing the first service, wherein the at least one target node includes the second access network device and/or at least one neighboring node, and any one of the target nodes satisfies a preset condition, the preset condition includes that a node has deployed the first service, and a load corresponding to the first service provided by the node is lower than a preset threshold.
The method of claim 16, wherein prior to receiving the handover indication information from the first access network device, further comprising: And sending first measurement information to the first access network equipment, wherein the first measurement information comprises a measurement event, and the first measurement information is used for indicating to measure the signal quality of a neighboring cell of the cell where the first terminal equipment is currently located and the signal quality of the cell where the first terminal equipment is currently located based on the measurement event.
The method according to claim 16, wherein the handover indication information further includes one or more of: The method comprises the steps of indicating information of a first service, identification information of a target cell, dedicated Random Access Channel (RACH) resources, system information of second access network equipment and association information of the RACH and a Synchronous Signal Block (SSB).
The method according to any one of claims 16 to 19, further comprising: and sending a first message to the second access network equipment, wherein the first message comprises the indication information of the first service.

Description

Method and device for determining service address information Technical Field The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for determining service address information. Background In order to solve the problems that the service deployment such as artificial intelligence (ARTIFICIAL INTELLIGENCE, AI) on the computing power is not strong in dynamic performance and can not respond to the movement of a user, network change and the like in time, a novel computing power network architecture (or a computing power system architecture) is proposed at present. In the novel computing network architecture, each network element has control and forwarding capabilities and also has computing capabilities, and computing nodes are deployed in the network. The calculation force can be widely distributed in cloud, side, end and middle network elements, and the calculation force is fused in the network. In the novel network architecture, the control surfaces of the network elements and the computing nodes are pulled through, so that the defect of current computing power fusion can be overcome, and the response movement and the network change can be timely performed. In the computing system, when a terminal is switched between a new service pre-deployment cell and a common connection cell or between different service pre-deployment cells, the computing service of the terminal can not be interrupted when the terminal is switched between the cells. Therefore, how to ensure the continuity of service when a terminal device switches cells is one of the problems that needs to be solved. Disclosure of Invention The application provides a method and a device for determining service address information, which can effectively ensure the service continuity of terminal equipment when the terminal equipment switches cells. In a first aspect, an embodiment of the present application provides a method for determining service address information, where the method may be performed by a first access network device, or may be performed by a chip or a chip system corresponding to the first access network device, which is not limited to this. Taking a first access network device as an example, the method specifically includes that the first access network device sends first switching request information to a second access network device, the first switching request information is used for requesting a first terminal device to switch to the second access network device, the first switching request information includes indication information of a first service of the first terminal device, the first access network device receives first switching confirmation information from the second access network device, the first switching confirmation information includes address information of the first service, the address information of the first service is determined by the second access network device based on the indication information of the first service, the first access network device sends switching indication information to the first terminal device, the first switching indication information includes the address information of the first service, and the switching indication information is used for indicating the first terminal device to switch to the second access network device according to the address information of the first service. Illustratively, the indication information of the first service is an identification ID of the first service. The indication information of the first service may also be a descriptor of the first service, or a corresponding sequence number of the first service, etc. The present application is not particularly limited in terms of the expression form of the indication information of the first service. Illustratively, the first service is an artificial intelligence AI split reasoning (part of end side, part of network side), data processing (data preprocessing, data analysis, etc.), cloud handset, etc. In the embodiment of the application, the first terminal device is accessed to the first access network device before switching, and the second access network device is accessed after switching. In the scheme of the application, the first access network equipment receives first switching confirmation information from the second access network equipment, wherein the first switching confirmation information comprises address information of a first service of the first terminal equipment, the address information of the first service is determined by the second access network equipment based on the indication information of the first service, and the first access network equipment sends switching indication information to the first terminal equipment so as to indicate the first terminal equipment to switch to the second access network equipment based on the address information of the first service, thereby ensuring that the first service can be co