CN-118802485-B - Network element back-cut processing method, device, equipment, medium and program product

CN118802485BCN 118802485 BCN118802485 BCN 118802485BCN-118802485-B

Abstract

The application relates to the technical field of communication and provides a network element back-cut processing method, device, equipment, storage medium and program product, wherein the method is applied to a pool backup network element of a virtual broadband remote access server and comprises the steps of starting a back-cut flow when the recovery of a back-cut user plane fault is detected, and determining a user plane to be switched, the back-cut user plane, the number of users and user list items according to a user access report; the method comprises the steps of issuing user list items to a back-cut user plane, determining switching time length according to the number of users to start a timing task and issuing the timing task to the back-cut user plane, executing the timing task by the back-cut user plane, and enabling the user list items to back-cut the user plane to be switched when the timing time length corresponding to the timing task is reached. And the user table items issued by the control surface are started at fixed time through a time delay mechanism of the fixed-time task, so that when the table items of the callback user surface take effect, the control surface finishes issuing all the table items, realizes quick callback, reduces the callback time length and reduces the influence on the service.

Inventors

TIAN ZHI
WANG CHEN
WANG YIFENG
HUANG SHUHAO
YE JINJING
XIANG MINGJUN
WANG DEXIA

Assignees

中国移动通信集团浙江有限公司
中国移动通信集团有限公司

Dates

Publication Date: 20260512
Application Date: 20240716

Claims (9)

1. The network element back-cut processing method is characterized by being applied to a pool standby network element of a control surface of a virtual broadband remote access server VBRAS, and comprises the following steps: when the fault recovery of the switched-back user plane is detected, a switched-back flow is started, and the user plane to be switched, the switched-back user plane, the number of users and the user list items are determined according to the user access report; issuing the user list item to the cut-back user plane; determining switching time required by back switching according to the number of users to start a timing task, and issuing the timing task to the back switching user plane; the user table item is started to switch back the user plane to be switched when the timing time length corresponding to the timing task is reached, wherein the timing time length is the switching time length; The method comprises the steps of determining switching time length according to the number of users to start a timing task, and further comprises the steps of sending fourth known information to the user plane to be switched, wherein the fourth known information comprises the timing task, executing the timing task by the user plane to be switched, and aging and deleting a user flow table, a Chi Bei address analysis table and a network segment route in a user table item when the timing time length corresponding to the timing task is reached.
2. The network element handover processing method according to claim 1, wherein the user table entry includes a pool address resolution table, a user flow table and a network segment route, and the issuing the user table entry to the handover user plane includes: the pool backup address resolution table in the user table entry is issued to the operation fault management network element of the back-cut user plane; The user management network element sends a first notification message to the user management network element of the control plane, wherein the first notification message is used for notifying the user management network element to add a user flow table; The authentication management network element sends a second notification message to the authentication management network element of the control plane, the second notification message is used for notifying the authentication management network element to add network segment routes, and the authentication management network element sends the network segment routes in the user table entries to the authentication management network element of the back cut user plane according to the second notification message.
3. The network element handover processing method according to claim 1, wherein the issuing the timing task to the handover user plane includes: Sending a third notification message to the operation fault management network element of the back-cut user plane; the third notification message includes the timing task, and the third notification message is used for notifying the operation fault management network element of the back switching user plane to start switching; and the operation fault management network element of the back-cut user plane analyzes the third notification message, acquires the timing task and starts switching.
4. The network element handover processing method according to claim 1, wherein the handover user plane executing the timing task, when a timing duration corresponding to the timing task is reached, enabling the user table entry to handover the user plane to be handed over, includes: The back-cut user plane executes the timing task, when the timing time length corresponding to the timing task is reached, an operation fault management network element in the back-cut user plane enables a pool backup address analysis table and a user flow table in the user table entry, and a sixth notification message is sent to an authentication management network element of the back-cut user plane; And enabling the network segment route in the user table entry by the authentication management network element of the switched user plane according to the sixth notification message, and switching back the user plane to be switched.
5. The network element handover processing method according to claim 1, wherein after the user table entry is issued to the handover user plane, further comprising: sending first configuration information to the back-cut user plane and sending second configuration information to the user plane to be switched; The first configuration information is used for setting the user table entry in the switched user plane as a first priority, and the second configuration information is used for setting the user table entry in the user plane to be switched as a second priority, wherein the second priority is higher than the first priority; Or the first configuration information is used for setting the state of the user table entry in the switched user plane to be invalid, and the second configuration information is used for setting the state of the user table entry in the user plane to be switched to be valid.
6. A network element backcut processing device, comprising: the task starting module is used for starting a back-cut process when the back-cut user plane fault recovery is detected, and determining the user plane to be switched, the back-cut user plane, the number of users and the user list items according to the user access report; The list item issuing module is used for issuing the user list item to the cut-back user plane; The timing back-cut module is used for determining the switching time required by back-cut according to the number of users to start a timing task and issuing the timing task to the back-cut user plane; the user table item is started to switch back the user plane to be switched when the timing time length corresponding to the timing task is reached, wherein the timing time length is the switching time length; The method comprises the steps of determining switching time length according to the number of users to start a timing task, and further comprises the steps of sending fourth known information to the user plane to be switched, wherein the fourth known information comprises the timing task, executing the timing task by the user plane to be switched, and aging and deleting a user flow table, a Chi Bei address analysis table and a network segment route in a user table item when the timing time length corresponding to the timing task is reached.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the network element backcut processing method according to any one of claims 1 to 5 when the program is executed.
8. A non-transitory computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the steps of the network element backcut processing method according to any one of claims 1 to 5.
9. A computer program product comprising a computer program, characterized in that the computer program, when being executed by a processor, implements the steps of the network element backcut processing method according to any one of claims 1 to 5.

Description

Network element back-cut processing method, device, equipment, medium and program product Technical Field The present application relates to the field of communications technologies, and in particular, to a network element handover processing method, apparatus, device, storage medium, and program product. Background The virtual broadband remote access server (Virtual Broadband Remote ACCESS SERVER, VBRAS) with separated Control and transfer comprises a VBRAS Control Plane (VBRAS-Control Plane, VBRAS-CP) and a VBRAS User Plane (VBRAS-User Plane, VBRAS-UP). Communication is achieved between VBRAS-CP and VBRAS-UP via a control plane interface protocol. In the prior art scheme related to VBRAS, pool backup is generally performed on VBRAS-UP by VBRAS-CP, when VBRAS-UP fails, the related service of VBRAS-UP is entirely switched by VBRAS-CP, and when VBRAS-UP fails to recover, the related service is entirely switched back. In the process of carrying out the back cut of VBRAS-UP, user related list items in the original VBRAS-UP, such as a user flow list, a Chi Bei interface ARP (Address Resolution Protocol ) list, network segment route and the like, need to be deleted first, and then the user related list items are added in the back cut VBRAS-UP. Under the current network application condition, the number of users is increased sharply, and when a large number of users need to be switched back integrally, more VBRAS-CPs are necessarily processed and more VBRAS-UP user related list items are deleted and issued, so that the users can switch back and generate packet loss for a long time, and the current network service is influenced. How to reduce the backcut of service damage as much as possible under the condition of a large number of users is a problem which needs to be solved at present. Disclosure of Invention The embodiment of the application provides a network element back-switching processing method, device, equipment, storage medium and program product, which are used for solving the defect that the user plane of a virtual broadband remote access server is back-switched when the number of users is large in the prior art, so that the packet loss is caused for a long time, and the current network service is influenced. The embodiment of the application provides a network element back-cut processing method, which is applied to a pool standby network element of a control surface of a virtual broadband remote access server VBRAS, and comprises the following steps: when the fault recovery of the switched-back user plane is detected, a switched-back flow is started, and the user plane to be switched, the switched-back user plane, the number of users and the user list items are determined according to the user access report; issuing the user list item to the cut-back user plane; Determining switching time length according to the number of users to start a timing task, and issuing the timing task to the back-switching user plane; and the back-cut user plane executes the timing task, and when the timing time length corresponding to the timing task is reached, the user table entry is started to back-cut the user plane to be switched. In one embodiment, the user table entry includes a pool address resolution table, a user flow table and a network segment route, and the issuing the user table entry to the cut-back user plane includes: the pool backup address resolution table in the user table entry is issued to the operation fault management network element of the back-cut user plane; The user management network element sends a first notification message to the user management network element of the control plane, wherein the first notification message is used for notifying the user management network element to add a user flow table; The authentication management network element sends a second notification message to the authentication management network element of the control plane, the second notification message is used for notifying the authentication management network element to add network segment routes, and the authentication management network element sends the network segment routes in the user table entries to the authentication management network element of the back cut user plane according to the second notification message. In one embodiment, the issuing the timing task to the back-cut user plane includes: Sending a third notification message to the operation fault management network element of the back-cut user plane; the third notification message includes the timing task, and the third notification message is used for notifying the operation fault management network element of the back switching user plane to start switching; and the operation fault management network element of the back-cut user plane analyzes the third notification message, acquires the timing task and starts switching. In one embodiment, after the determining the switching duration according to the number of users to start the timing