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Complexity Analysis: Data Plane For interface-specific FIBs, no changes required - only different information in FIB. For non-interface-specific FIBS, need to look at the results of forwarding decision and decide based on the primary out-going interface and incoming interface whether to send traffic to primary or alternate. Requires additional comparison for determination Has potential requirement to read a second forwarding result. No more look-up complexity than uRPF, VRFs, Policy-based forwarding, etc. |