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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 , , , , , [5].

1975 , DCA ( ). , TCP/IP (Transmission Control Protocol/Internet Protocol /Internet-).

. DARPA . 1979 TCP/IP , DARPA . (ICCB), 1983 , (IAB - Internet Activities Board).

1983 TCP/IP (MIL STD), (), APRANET .

Internet, APRANET : MILNET ( ) (DDN) ( ) APRANET. Internet , [5].

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) , , , . ( Telnet), WWW.

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, , , Home Banking ( 㗓-). , . . , , , [1].

, - Internet . . , , : , , IP- Internet? , Internet, . , , , , . , , Internet, , . 1995 . Citicorp 40 ! ( , , - Internet , Citicorp.)

. Internet, , , , [1].

, : Internet , , -. , . . , , , . , . , .

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. : , , ?, 40% . , , 20%. . !

, - , DOS . DOS . , , ( , ), . , , , . . . : -- , .

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- , . CERT Coordination Center 1995 . 2521 . , Computer Security Institute (CSI), 500 , 1991 . 48,9%, , , 66 . .

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