Tags

links:
– https://www.nanog.org/meetings/nanog49/presentations/Sunday/mpls-nanog49.pdf

– http://www.tcpipguide.com/free/t_IPMessageReassemblyProcess.htm

summary:

– 1 time destination lookup at the edge vs lkup next hop at every routers

– longest match takes more processing

– possible fragmentation possible at intermediate hops

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