Last Updated: 2009-06-11
The base specifications of the Extensible Messaging and Presence Protocol (XMPP) formalize the core protocols developed within the Jabber open-source community in 1999. They were produced by the IETF's XMPP Working Group and published as RFCs 3920 and 3921 in October 2004.
Note: Updated versions of RFC 3920 and RFC 3921 are currently being worked on in the IETF via the re-formed XMPP WG. Consult rfc3920bis and rfc3921bis for the most accurate, up-to-date protocol definitions, and join the firstname.lastname@example.org list to participate in the revision process.
|RFC 3920||XMPP Core||see rfc3920bis
Text | HTML
|XML streams, SASL, TLS, stringprep profiles, stanza semantics|
|RFC 3921||XMPP IM||see rfc3921bis
Text | HTML
|XMPP extensions for basic instant messaging and presence|
|RFC 3922||XMPP CPIM||Text | HTML||Mapping XMPP to the IETF's CPIM specifications|
|RFC 3923||XMPP E2E||Text | HTML||End-to-end signing and object encryption for XMPP|
|RFC 4854||XMPP URN||Text | HTML||A Uniform Resource Name (URN) tree for use in XMPP extensions|
|RFC 4979||XMPP ENUM||Text | HTML||IANA registration of an Enumservice (see RFC 3761) for XMPP|
|RFC 5122||XMPP URI||Text | HTML||A Uniform Resource Identifier (URI) scheme for XMPP (this specification corrects several errors in RFC 4622)|
In addition to the RFCs, there are many XMPP extensions defined in the XEP series produced by the XMPP Standards Foundation, and several XMPP-related Internet-Drafts are currently under consideration within the IETF.