History
Jeremie Miller began working on the Jabber technology in 1998 and released the first version of the jabberd server on January 4, 1999. The early Jabber community focused on open-source software, mainly the jabberd server (e.g., version 1.0 in May 2000, version 1.2 in October 2000, and version 1.4 in February 2001), but its major outcome proved to be the development of the XMPP protocol.
The early Jabber protocol, as developed in 1999 and 2000, formed the basis for XMPP as published in RFC 3920 and RFC 3921 (the primary changes during formalization by the IETF's XMPP Working Group were the addition of TLS for channel encryption and SASL for authentication). Note that RFC 3920 and RFC 3921 have been superseded by RFC 6120 and RFC 6121, published in 2011.
The first IM service based on XMPP was Jabber.org, which has operated continuously since 1999 and has offered free accounts to users of XMPP. From 1999 until February 2006, the service used jabberd as its server software, at which time it migrated to ejabberd (both of which are free software application servers). In January 2010, the service migrated to the proprietary M-Link server software produced by Isode Ltd.
In August 2005, Google introduced Google Talk, a combination VoIP and IM system that uses XMPP for instant messaging and as a base for a voice and file transfer signaling protocol called Jingle. (The initial launch did not include server-to-server communications; Google enabled that feature on January 17, 2006). Google has since added video functionality to Google Talk, also using the Jingle protocol for signaling.
In January 2008, AOL introduced experimental Extensible Messaging and Presence Protocol (XMPP) support for its AOL Instant Messenger (AIM) service, allowing AIM users to communicate using the standardized, open-source XMPP. However, in March 2008, this service was discontinued. As of May 2011, AOL offers limited XMPP support.
In September 2008, Cisco Systems acquired Jabber, Inc., the creators of the commercial product Jabber XCP.
In February 2010, the social-networking site Facebook opened up its chat feature to third-party applications via XMPP. The Facebook developers' site notes that Facebook Chat does not actually run an XMPP server internally, but merely presents an XMPP interface to clients; consequently, some server-side features like roster editing cannot be done via XMPP.
Similarly, in December 2011, Microsoft released an XMPP interface to its Microsoft Messenger service. Skype also provides limited XMPP support. However, these are not native XMPP implementations.
Read more about this topic: Extensible Messaging And Presence Protocol
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