Chapter1-history - Internet history 1961-1972 Early...

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Introduction Internet history q 1961: Kleinrock - queueing theory shows effectiveness of packet-switching q 1964: Baran - packet-switching in military nets q 1967: ARPAnet conceived by Advanced Research Projects Agency q 1969: first ARPAnet node operational q 1972: v ARPAnet public demo v NCP (Network Control Protocol) first host-host protocol v first e-mail program v ARPAnet has 15 nodes 1961-1972: Early packet-switching principles 1-117
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q 1974: TCP/IP v Robert Kahn & Vinton Cerf v Protocol : “language” for devices v Scalable way to connect hosts v Became part of “Internet” in 1983 q 1985 – 1995: NSFNET v Academic research network v Not for commercial activities until 1990s! v Three tiered structure v Backbone had 14 nodes by 1991 1972-1980: Internetworking, new and proprietary nets
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Introduction q 1983: deployment of TCP/IP q 1982: smtp e-mail protocol defined q 1983: DNS defined for name- to-IP-address translation q 1985: ftp protocol defined q 1988: TCP congestion control q new national networks: Csnet, BITnet, NSFnet, Minitel q 100,000 hosts connected to confederation of networks 1980-1990: new protocols, a proliferation of networks Internet history 1-119
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