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DT: PLSN Doc: draft-zinin-microloop-analysis-00.txt Pros: Easy to understand (route metric-based) Const convergence time Works with any topology changes Allows SRLGs Eliminates ~90% of 2-hop loops Coverage similar to FRR Can be augmented with OFIB or tunnels to get 100% Cons Coverage less than 100% Looped traffic may congest loop-free Asymmetric link costs require stricter safety condition (downstream BF) |