
tcpip40.com
TCP/IP 40th AnniversaryThree Billion People use TCP/IP. Y the early 1970s, the practice of connecting once stand-alone computers together into general-purpose computer networks was barely five years old. But already there were more than half a dozen such networks: ARPANet, NPL Mark I, CYCLADES, and so on. ARPA itself was in the process of commissioning two more; the Packet Radio Network (PRNET), and the Satellite Network (SATNET). But there was a big problem: none of these networks could talk to each other! It would be three y...
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