电信科学 ›› 2020, Vol. 36 ›› Issue (11): 165-173.doi: 10.11959/j.issn.1000-0801.2020264

• 运营技术广角 • 上一篇    下一篇

MPLS VPN业务VRRP回程路由设计

王皓轮   

  1. 中国移动通信集团福建有限公司福州分公司,福建 福州 350001
  • 修回日期:2020-06-21 出版日期:2020-11-20 发布日期:2020-12-09
  • 作者简介:王皓轮(1984- ),男,博士,中国移动通信集团福建有限公司福州分公司工程师,主要研究方向为城域网运维及优化、IP网络技术应用与演进

Design of backhaul routes in VRRP networks of MPLS VPN

Haolun WANG   

  1. Fuzhou Branch of China Mobile Fujian Communications Fujian Co.,Ltd.,Fuzhou 350001,China
  • Revised:2020-06-21 Online:2020-11-20 Published:2020-12-09

摘要:

城域网扁平化演进中,为提高MPLS L3VPN业务接入的可靠性,将OLT设备规划为VRRP分支节点,可能产生回程路由陷阱。提出两种各自独立的回程路由切换方法,一种是基于OLT可达性检测的严格型方法,另一种是基于路由优先级的简化型方法。实验结果表明,回程路由切换时延为2~8 s。上述回程路由切换方法,能有效避免VRRP回程路由陷阱,增强业务可靠性。

关键词: MPLSVPN, VRRP, 回程路由, BGP

Abstract:

In the process of flattening metropolitan area network,in order to improve the reliability of MPLS L3VPN services,OLT devices can be planned as VRRP branch nodes.This design could probably induce traps of backhaul routes.Two separate methods of switching backhaul routes were proposed.One is a strict method based on checking the reachability of OLT devices,the other is a simplified method based on the priority of routes.The experimental results show that,handover latency is between 2~ 8 s.These proposed methods of switching backhaul routes,can effectively prevent traps of backhaul routes,and improve the reliability of services.

Key words: MPLS VPN, VRRP, backhaul route, BGP

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