用于LTE移动回传PTN的L3功能方案  

L3 Function Scheme for PTN of LTE Mobile Backhaul

作　　者：孙捷[1] 杨欢 SUN Jie;YANG Huan(College of Communication Engineering,CUIT,Chengdu 610225,China)

机构地区：[1]成都信息工程大学通信工程学院

出　　处：《成都信息工程大学学报》2019年第6期573-577,共5页Journal of Chengdu University of Information Technology

基　　金：四川省科技计划资助项目(2013GZ0026)

摘　　要：介绍PTN网络用于LTE移动回传时L3功能的必要性。详细说明PTN+CE、L3VPN、IPC这3种L3功能实现方案,分析3种方案中包的格式、包转发和处理流程,比较这3种方案的优缺点及适用范围。此外,还给出L3VPN和IPC的互通方式。The necessity of L3 function for PTN network in LTE mobile backhaul is presented firstly. Then, three L3 function implementation schemes of PTN+CE, L3 VPN and IPC are described in detail. The packet format, packet forwarding and processing flow of the three schemes are subsequently analyzed. And the pros and cons of the three schemes are also compared. In addition, the interworking method between L3 VPN and IPC was given.

关 键 词：移动回传 处理流程 LTE IPC 包转发 互通 适用范围 

分 类 号：TN913.7[电子电信—通信与信息系统]