The internet maintained by multi lateral or bilateral agreements and the technicak specification (Protocol describes the transfer of data between circuits). These protocol were formed basesd on discussion Internet Engineering Task Force (IETF), which is open to the public. The Agency issued a document know as the RFC (Request fot Comments). Part of the Foundation of the Internet Standard RFC (Internet Standard), by the Internet Architecture board (IAB Internet Architecture Board). Internet protocol that are commonly used are such, IP, TCP, UDP, DNS, PPP, SLIP, ICMP, POP3, IMAP, SMTP, HTTP, SSH, Telnet, LDAP, and SSL.
Some of the popular service on the Internet that use the protocol above, is an email/electronic mail, Usenet, newgroups, file sharing(File Sharing), the WWW (Wrold Wide Web), Gopher, session access, WAIS, Fingeer, IRC, MUD, and TILL. In btween all this email/electronic mail and the World Wide Web is more often used, and more service are bulit, such as the berdasarkannya mailing listand weblogs. The Internet allows the existence of current service(Real time service), such as web radio and webcasts, which can be accessed through the world. In addition on this oveer the Internet it is possible to sommunicate directly between teo or more people through an instant messaging program such as camfrog, Pidgin (Gaim), Trilian, Kopete, Yahoo! Messenger, MSN massenger, Window Live massenger, Twitter, Facebbok, and other
Some popular Internet service that are based on closed systems (Proprietary System), is like IRC, ICQ, AIM, CDDB, and Guntella.


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