对于网络拓扑变化所引起链路故障，采用反向链路故障通告和局部路由恢复相结合的策略进行修复。
The link failure due to dynamic topology can be restored by reverse error report and partial reroute scheme.
发生停机故障时，请将报警纪录通告 NILES或其代理。
Please send this inconvenience report to NILES or the representation for a machine failure.
选择节点可以是多播中通告了成员资格的那些节点或受故障影响的分支上的下游设定数量的跳。
The select nodes may be those nodes that have advertised membership in the multicast or a set number of hops downstream on the branch affected by the failure.
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