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Node-protection and path attribute collection with remote loop free alternates
Node-protection and path attribute collection with remote loop free alternates
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机译:带有远程无循环备用节点的节点保护和路径属性收集
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摘要
An example method includes selecting, by a network device, a remote LFA next hop as an alternate next hop for forwarding network traffic from the network device to a destination, wherein the selected remote LFA next hop provides node protection to a primary next hop node on the shortest path from the network device to the destination. The method includes, for each candidate remote LFA next hop, performing a forward shortest path first (SPF) computation having the respective candidate remote LFA next hop as a root to compute a path segment between the respective candidate remote LFA next hop and the destination, wherein each of the candidate remote LFA next hops is the egress of a respective potential repair tunnel between the network device and candidate remote LFA next hop, and selecting the remote LFA next hop based at least in part on the computed path segments.
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