Traditional IPv4 routing is summarized as "All routing is a vacation spot pushed process". whilst a router appears to be like at an IPv4 packet it cares merely in regards to the vacation spot deal with within the header of the packet. It makes use of this vacation spot handle to come to a decision on the place to ahead the packet. yet what in order to course packetsdifferently based not just at the vacation spot addresses but in addition on different packet fields similar to resource deal with, IP protocol, delivery protocolports or maybe packet payload?This is coverage Routing and this e-book tells you ways to do it.

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