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    18.2 WHAT NETWORK ALGORITHMICS IS ABOUT > 18.2.3 Algorithmic Thinking - Pg. 425

    18.2 What Network Algorithmics Is About Application Kernel VM system Adaptor Incoming packet 425 (receive buffer specification) RDMA (copying) fbufs (protection) ADCs (scheduling) Event-driven servers F I G U R E 18.4 Endnode algorithmics: examples of moving functions in space. Forwarding engine Route processor Previous router Edge router Source (precomputing lookup table) IP Lookups (labels) Tag Switching, MPLS (handling bits, rates) DiffServ, Core Stateless (computing packet size) Path MTU approach to fragmentation F I G U R E 18.5 Router algorithmics: examples of moving functions in space.