| 摘要 |
An apparatus and method is described for computing repair path information around a failure component in a data communications network having a components nodes and links therebetween. Where, according to a routing protocol, a node sends to a neighbor node a metric indicative of reachability of a destination node, the protocol requiring differentiated action by the node if the route to the destination node includes the neighbor node, the apparatus is arranged to compute a repair path to the destination node via candidate nodes comprising only neighbor nodes to the apparatus not requiring differentiated action relative to the apparatus.
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