Research on public network and private network diversion scheme for 4G/5G users

MA Hongyuan; FENG Zheng; ZHOU Wei; SONG Xuguang; YANG Xiaole

doi:10.11959/j.issn.1000-0801.2024187

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Research on public network and private network diversion scheme for 4G/5G users

Engineering and Application | 更新时间：2024-11-25

- Research on public network and private network diversion scheme for 4G/5G users
- Telecommunications Science Vol. 40, Issue 9, Pages: 176-184(2024)
- 作者机构：
  
  1.中国移动通信集团有限公司，北京 100033
  2.中国移动通信集团设计院有限公司，北京 100080
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2024187
  CLC： TP393
- Received：28 September 2023，
  
  Revised：2024-06-04，
  
  Published：20 September 2024
- 稿件说明：
移动端阅览
马洪源,冯征,周维等.面向4G/5G用户的双域分流方案研究[J].电信科学,2024,40(09):176-184.

MA Hongyuan,FENG Zheng,ZHOU Wei,et al.Research on public network and private network diversion scheme for 4G/5G users[J].Telecommunications Science,2024,40(09):176-184.
马洪源,冯征,周维等.面向4G/5G用户的双域分流方案研究[J].电信科学,2024,40(09):176-184. DOI： 10.11959/j.issn.1000-0801.2024187.

MA Hongyuan,FENG Zheng,ZHOU Wei,et al.Research on public network and private network diversion scheme for 4G/5G users[J].Telecommunications Science,2024,40(09):176-184. DOI： 10.11959/j.issn.1000-0801.2024187.

摘要

面向4G/5G用户同时访问公网业务和专网业务的需求，梳理了业内现有技术方案及其局限性，提出一种网络侧无感分流方案。手机用户终端（user equipment，UE）仅需建立公网IP业务通道，网络检测到用户使用专网业务时，由SMF/PGW-C在网络侧为用户建立专网IP业务通道，分流用户的专网业务；手机终端仅存在一个IP通道传送公网业务和专网业务，在网络侧对应存在一个公网IP通道和一个专网IP通道，并由SMF/PGW-C完成用户侧IP通道与对应网络侧公网IP通道和专网IP通道的映射拼接以及用户IP地址替换，实现用户公网业务与专网业务的分流。该方案既满足双域专网业务需求，又能够实现网络侧对用户的公网业务IP通道和专网业务IP通道的分别管理和计费，且对终端无额外要求。

Abstract

Facing the demand of 4G/5G users accessing public network services and private network services simultaneously

the limitations of the existing technical schemes in the industry were reviewed

and a network-side non-inductive diversion scheme was proposed. It only needed to establish a public network IP service channel by the UE. When the network detected that users used private network services

a private network IP service channel for users on the network side was established by SMF/PGW-C to divert the private network services of users. There was only one IP channel in the mobile phone terminal to transmit public network services and private network services

corresponding to one public network IP channel and one private network IP channel on the network side

and SMF/PGW-C completed the mapping and splicing of the user-side IP channel and the corresponding network-side public network IP channel and private network IP channel

as well as the replacement of the user’s IP address

thus realizing the diversion of the user’s public network services and private network services. This scheme not only meets the demand of dual-domain private network services

but also allows for the separate management and charging of users’public network service IP channels and private network service IP channels by the network side

and has no additional requirements for terminals.

关键词

Keywords

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