Chapter 1. Networking, Availability, and VRRP

Each of us touches one place and understands the whole in that way.[*]

[*] Mevlana Jelalluddin Rumi, “Elephant in the Dark,” translated by Coleman Barks. In Rumi, The Essential Rumi. New York: Harper San Francisco, 1995.

Networking has so many different aspects. Each one of us understands and describes it in the way it touches us. For the hardware engineer, it is the ASIC to switch the cell, the line card to relay the frame. For the software developer, it is a checksum calculation to implement, an embedded algorithm to debug. For the protocol designer, it is a message format to define, a field type to specify. For the mathematician, it is queues to optimize, the shortest path to calculate. For the ...

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