Search

CN-122028088-A - Disaster recovery method, device, equipment, storage medium and product for 5G private network

CN122028088ACN 122028088 ACN122028088 ACN 122028088ACN-122028088-A

Abstract

The application discloses a 5G private network disaster recovery method, a device, equipment, a storage medium and a product, wherein the method comprises the steps of constructing a data network name DNN for emergency on a 5G core network, signing a public network card by utilizing the DNN, registering target gateway equipment, distributing a public network IP address provided by the DNN to the target gateway equipment, wherein the target gateway equipment is gateway equipment which is connected with a user side access router AR and is provided with the public network card, constructing a general routing encapsulation GRE tunnel pointing to the public network IP address distributed by the target gateway equipment on a 5G private network user plane function UPF, and carrying out disaster recovery through the GRE tunnel when a preset transmission channel of the 5G private network UPF and the user side AR fails. By adopting the embodiment of the application, the complexity of the disaster recovery scheme of the private network can be reduced.

Inventors

  • Chen Ximi
  • ZHU KUI
  • HONG RUJIA
  • XU HUA
  • XU PENGFEI
  • ZHUANG YAN
  • HUANG TING
  • YANG LINBING
  • ZHANG ZHEN
  • YOU JIAMING

Assignees

  • 中国移动通信集团福建有限公司
  • 中国移动通信集团有限公司

Dates

Publication Date
20260512
Application Date
20260203

Claims (10)

  1. 1. The disaster recovery method for the 5G private network is characterized by comprising the following steps of: Constructing a data network name DNN for emergency in a 5G core network; Signing the public network card by using the DNN; registering target gateway equipment, and distributing a public network IP address provided by the DNN to the target gateway equipment, wherein the target gateway equipment is gateway equipment which is connected with a user side access router AR and is provided with the public network card; Constructing a general route encapsulation GRE tunnel pointing to a public network IP address distributed by the target gateway equipment at a 5G private network user plane function UPF; and when the 5G private network UPF and the preset transmission channel of the user side AR fail, disaster recovery is carried out through the GRE tunnel.
  2. 2. The method of claim 1, wherein the GRE tunnel comprises an outer GRE tunnel and an inner GRE tunnel, wherein the outer GRE tunnel multiplexes a 5G public network virtual router forwarding VRF, an exit IP address of the outer GRE tunnel is a public network tunnel IP address of the 5G private network UPF, and an entry IP address of the outer GRE tunnel is a public network IP address allocated to the target gateway device; The inner layer GRE tunnel multiplexes the special VRF of the 5G private network, the exit IP address of the inner layer GRE tunnel is the private network address of the UPF of the 5G private network, the entrance IP address of the inner layer GRE tunnel is the private network address of the target gateway device, and the private network address of the UPF of the 5G private network and the private network address of the target gateway device are in the same private network address section.
  3. 3. The disaster recovery method for a 5G private network according to claim 1, wherein constructing a data network name DNN for emergency in a 5G core network comprises: And configuring the DNN in a network element of a 5G core network, and distributing a public network IP address pool for the DNN, wherein the public network IP address pool comprises at least one public network IP.
  4. 4. The disaster recovery method for a 5G private network according to claim 1, wherein signing the public network card by using the DNN comprises: Signing the DNN at a public network Unified Data Management (UDM) of the public network card; signing the public network IP address provided by the DNN in an authentication, authorization and accounting AAA system shared by the 5G private network to which the public network card belongs.
  5. 5. The 5G private network disaster recovery method of claim 1, further comprising: And publishing on a fireproof wall between a 5G public network UPF and the 5G private network UPF, and opening a route between the public network IP address provided by the DNN and the public network tunnel IP address of the 5G private network UPF.
  6. 6. The 5G private network disaster recovery method of claim 1, further comprising: And switching back to the preset transmission channel by the GRE tunnel after the fault of the preset transmission channel is recovered.
  7. 7. The utility model provides a 5G private network disaster recovery device which characterized in that includes: The first construction module is used for constructing a data network name DNN for emergency in the 5G core network; The signing module is used for signing the public network card by utilizing the DNN; The distribution module is used for registering target gateway equipment and distributing the public network IP address provided by the DNN to the target gateway equipment, wherein the target gateway equipment is gateway equipment which is connected with a user side access router AR and is provided with the public network card; The second construction module is used for constructing a general route encapsulation GRE tunnel pointing to the public network IP address distributed by the target gateway equipment in a 5G private network user plane function UPF; and the disaster recovery module is used for carrying out disaster recovery through the GRE tunnel when the 5G private network UPF and the preset transmission channel of the user side AR are in fault.
  8. 8. A 5G private network disaster recovery device comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the 5G private network disaster recovery method according to any one of claims 1-6 when the computer program is executed.
  9. 9. A computer readable storage medium, wherein the computer readable storage medium comprises a stored computer program, and the computer program controls a device where the computer readable storage medium is located to execute the 5G private network disaster recovery method according to any one of claims 1 to 6 when running.
  10. 10. A computer program product comprising computer program/instructions which, when executed by a processor, implement the 5G private network disaster recovery method according to any one of claims 1 to 6.

Description

Disaster recovery method, device, equipment, storage medium and product for 5G private network Technical Field The present application relates to the field of communications technologies, and in particular, to a disaster recovery method, apparatus, device, storage medium, and product for a 5G private network. Background The 5G private network is a private communication network customized for specific industries, and provides high-reliability, low-delay and high-safety services through an independent/hybrid networking architecture and combining technologies such as network slicing, edge computing and the like, so that scene requirements of industrial control, intelligent medical treatment and the like are met. The disaster tolerance is a core requirement of the 5G private network, can ensure that the network can be rapidly switched and restored when accidents such as natural disasters, equipment faults and the like are encountered, ensure service continuity, avoid huge loss caused by data loss and service stagnation, improve the stability and reliability of the network, and protect navigation for the safe operation of the 5G private network, thereby being a key for ensuring the service quality of the 5G private network and the benefit of users. The prior art is mainly oriented to the 4G internet of things design, if the method is directly applied to a single transmission private line disaster recovery scene of a 5G private network, intermediate equipment such as a private line gateway and a wireless router needs to be additionally deployed, so that the private line gateway needs to convert an IP address, and the complexity of the private network disaster recovery scheme is increased. Disclosure of Invention The application provides a 5G private network disaster recovery method, a device, equipment, a storage medium and a product, which are used for solving the problem that in the prior art, intermediate equipment such as a private line gateway, a wireless router and the like are required to be additionally deployed, so that the private line gateway is required to convert an IP address, thereby increasing the complexity of a private network disaster recovery scheme. In order to achieve the above objective, an embodiment of the present application provides a disaster recovery method for a 5G private network, including: Constructing a data network name DNN for emergency in a 5G core network; Signing the public network card by using the DNN; registering target gateway equipment, and distributing a public network IP address provided by the DNN to the target gateway equipment, wherein the target gateway equipment is gateway equipment which is connected with a user side access router AR and is provided with the public network card; Constructing a general route encapsulation GRE tunnel pointing to a public network IP address distributed by the target gateway equipment at a 5G private network user plane function UPF; and when the 5G private network UPF and the preset transmission channel of the user side AR fail, disaster recovery is carried out through the GRE tunnel. The GRE tunnel comprises an outer layer GRE tunnel and an inner layer GRE tunnel, wherein the outer layer GRE tunnel multiplexes a 5G public network virtual route forwarding VRF, the outlet IP address of the outer layer GRE tunnel is the public network tunnel IP address of the 5G private network UPF, and the inlet IP address of the outer layer GRE tunnel is the public network IP address allocated to the target gateway equipment; The inner layer GRE tunnel multiplexes the special VRF of the 5G private network, the exit IP address of the inner layer GRE tunnel is the private network address of the UPF of the 5G private network, the entrance IP address of the inner layer GRE tunnel is the private network address of the target gateway device, and the private network address of the UPF of the 5G private network and the private network address of the target gateway device are in the same private network address section. As an improvement of the above solution, the constructing a data network name DNN for emergency in the 5G core network includes: And configuring the DNN in a network element of a 5G core network, and distributing a public network IP address pool for the DNN, wherein the public network IP address pool comprises at least one public network IP. As an improvement of the above solution, signing the public network card by using the DNN includes: Signing the DNN at a public network Unified Data Management (UDM) of the public network card; signing the public network IP address provided by the DNN in an authentication, authorization and accounting AAA system shared by the 5G private network to which the public network card belongs. As an improvement of the above solution, the method further includes: And publishing on a fireproof wall between a 5G public network UPF and the 5G private network UPF, and opening a route between the public network IP addr