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ARPA (Advanced Research Projects Agency) - (DOD), DARPA (Defense Advanced Research Projects Agency). ( ) ARPANET (Advanced Research Projects Agency NETwork).
1969 . : UCLA - , , - . , NCP - Network Control Protocol.
ARPANET , , , , , .
1975 , DCA ( ). , TCP/IP (Transmission Control Protocol/Internet Protocol — /Internet-).
«Internet», APRANET : MILNET ( ) — (DDN) ( ) APRANET. Internet , .
ARPANET . 1985 . (National Science Foundation, NSF) ARPANET NSFNET (the National Science Foundation NETwork – ), NASA . - , , .
() . , , «» , , . , , , NSFNET Internet backbone ( «backbone» «», « »).
, , DARPA/NSF, TCP/IP, , , .
NSFNET . , , . NSF - , , . – 1985 .
NSF , , . "" 1983 .
1993 NSF , . NSF « » (NAP), . 1994 NSF NAP -, -, , . NSF Ameritech, PacBell, Sprint MFS Datanet. , MAE-West, MFS Dananet .
NSFNET , NAP . “” World Wide Web (WWW) – ,
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