一种5G承载网中接入PTN设备L3VPN实现方案  

A Solution of L3VPN Function for Access PTN Device in 5G Carrier Network

作　　者：孙捷[1] 杨欢 廖鑫 SUN Jie;YANG Huan;LIAO Xin(College of Communication Engineering,Chengdu Univerity of Information and Technology,Chengdu 610225,China)

机构地区：[1]成都信息工程大学通信工程学院,四川成都610225

出　　处：《成都信息工程大学学报》2020年第6期632-636,共5页Journal of Chengdu University of Information Technology

基　　金：四川省高校重点实验室开放课题资助项目(QXXCSYS 201706)

摘　　要：分析5G移动承载网架构及L3VPN功能下沉至边缘接入设备的需求,提出一种对5G承载网接入PTN设备进行简单软件升级实现L3VPN功能的IPC方案,分析该方案核心思想及优势,给出其详细的工作过程、L3VPN包格式及转发处理流程。The architecture of 5 G carrier network and necessity of L3 VPN function sank to edge access device is analyzed firstly.The IPC solution of L3 VPN function is presented,which only need to upgrade software of 5 G carrier network in access to PTN NE..The core thoughts and advantages of IPC solution is analyzed.The IPC working process,L3 VPN packet format and data forwarding flow are detailed described.

关 键 词：5G承载网 分组传送网 IP流分类 三层虚拟专网 虚拟路由转发 

分 类 号：TN929.5[电子电信—通信与信息系统]