: . , , .
(maillists) , . , -, .
, , . , , () , , . - , , Usenet, , . Usenet , WWW.
World Wide Web (WWW, Web W3) , . WWW , . : , , , , .
WWW . FTP , . - (, ) - , : ftp, gopher, Usenet, .. , .
FTP World Wide Web . , , , , .
(Electronic mail, E-mail) ; (off-line).
. , , ( , , , ..) , , ; ; , ; ; ; .
. : . . . . . , .
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on-line. off-line. , . , .
1995 Dial-IP, .. TCP/IP . , SLIP (Serial Line Internet Protocol) PPP (Point-to-Point Protocol).
- , . . IP- , IP- . IP- . () IP- , . . , , () (), . , IP.
, , - ; RealAudio ( , ); , ; .
, , IP-, IP . IP- , , : 194.85.120.66 IP- : . , , , - InterNIC (Internet Network Information Center) . . , IP- , IP-. , , . 224, 16 777 216. 1.0.0.0 126.0.0.0. , . 216, 65536 . 128.0.0.0 191.255.0.0. , . 28, 256. 192.0.1.0 223.255.255.0. , IP- 194.85.120.66, 0.0.0.66 - 194.85.120.0. IP-. , , 127.0.0.1 . .
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IP-, (Domain host name). , IP-, (), Internet, .