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Saturday, September 28, 2013

How the internet got started

        Some thirty years ago , the Rand corporation , the Statess formost cold-blooded war think tank, faced a strange straegic problem. How could the US authrieties succesfully communicate after a nuclear war?         Postnuclear America would need a comand-and-control profits, linked from city to city , suppose to state, base to base . save no matter how throughly that net was armored or protected , its switches and fit would always be vulnerable to the impact of atomic bombs. A nuclear effort would reduce any conceivable meshwork to tatters. And how would the web itself be commanded and controlled ? Any central authority, any network central citadel, would be an obvious and immediate target for man enemy missle. Thecenter of the network would be the very first place to go.         RAND mulled over this puritanic stick in deep military secrecy, and arrived at a daring solution do in 1964.The principles were simpl e . The network itself would be assumed to be unreliable at in solely times . It would be designed from the get-go to tyranscend its all times . It would be designed from the get-go to transcend its obtain unrreliability. All the inspissations from computers in the network would be equal in view to all other nodes , each node with its profess authority to originate , sweep over , and recieve messages.
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The messages would be split into packets, each packet seperatly addressed. apiece packet would begin at some specified source node , and end at some other specified destination node . Each packet would entwin e its way through the network on an individu! al basis.In light up 1969, the first such node was insalled in UCLA. By December 1969, in that respect were 4 nodes on the infant network, which was named arpanet, after its Pentagon sponsor. The four computers could even be programed... If you want to get a full essay, order it on our website: OrderCustomPaper.com

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