Planning MPLS domain in IP MAN,with such methods as flow share and network copy,APDP,MPLS rapid reroute,and VRRP,time to recover network breakdown is shortened.

• 在IP城域网中规划MPLS域,通过流量分担和网络备份、APDP、MPLS快速重路由、VRRP等方法,加快了网络故障恢复的时间。