Professor Leonard Kleinrock shows off a refrigerator-sized router. It’s hard to appreciate that this mess of pipes that’s turned all of us into nerds that salivate over videos about the birth of internet, – all began with a modest, military-sanctioned hook-up between two computers, one in UCLA, the other at Stanford University. The first of those computers, the Internet’s first router, or “switch” — or, really, Interface Message Processor — was built in Cambridge by military contractor BB&N and shipped to UCLA. The big box was packed with an SDS Sigma-7 host computer, power supply, storage and lots of wires, linked to its cousin at Stanford by a collection of data lines:
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