IRC
Protocol for real-time Internet chat and messaging / From Wikipedia, the free encyclopedia
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Internet Relay Chat (IRC) is a text-based chat system for instant messaging. IRC is designed for group communication in discussion forums, called channels,[1] but also allows one-on-one communication via private messages[2] as well as chat and data transfer,[3] including file sharing.[4]
Communication protocol | |
Abbreviation | IRC |
---|---|
Purpose | Instant messaging |
Developer(s) | Jarkko Oikarinen |
Introduction | August 1988; 35 years ago (1988-08) |
Influenced | Not yet superseded IRCv3 (standards process working group) |
OSI layer | Application layer |
Port(s) | 6667, 6697 |
RFC(s) | RFC 1459 |
Internet Relay Chat is implemented as an application layer protocol to facilitate communication in the form of text. The chat process works on a client–server networking model. Users connect, using a client—which may be a web app, a standalone desktop program, or embedded into part of a larger program—to an IRC server, which may be part of a larger IRC network. Examples of programs used to connect include Mibbit, IRCCloud, KiwiIRC, and mIRC.
IRC usage has been declining steadily since 2003, losing 60 percent of its users.[5] In April 2011, the top 100 IRC networks served more than 200,000 users at a time.[6]