Saturday, November 30, 2013

How the internet got started

        Some thirty years ago , the Rand corporation , the Statess formost cold 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 , press out to state, base to base . save no matter how throughly that meshing was armored or protected , its switches and fit would always be vulnerable to the impact of atomic bombs. A nuclear rape would reduce any conceivable lucre to tatters. And how would the electronic network 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 blue-blooded stick in deep military secrecy, and arrived at a daring solution do in 1964.The principles were simple . The network itself would be assumed to be unreliable at in either 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 succuss unrreliability. All the thickeners from computers in the network would be equal in view to all other nodes , each node with its protest authority to originate , sweep over , and recieve messages.
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The messages would be shared out into packets, each packet seperatly addressed. each packet would begin at some specified source node , and end at some other specified destination node . Each packet would entwine its way through the ne! twork on an individual 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: BestEssayCheap.com

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