This memo defines the core features of the Extensible Messaging and Presence Protocol (XMPP), a protocol for streaming Extensible Markup Language (XML) elements in order to exchange structured information in close to real time between any two network endpoints. While XMPP provides a generalized, extensible framework for exchanging XML data, it is used mainly for the purpose of building instant messaging and presence applications that meet the requirements of RFC 2779. [STANDARDS-TRACK]
This memo describes extensions to and applications of the core features of the Extensible Messaging and Presence Protocol (XMPP) that provide the basic instant messaging (IM) and presence functionality defined in RFC 2779. [STANDARDS-TRACK]
This memo describes a mapping between the Extensible Messaging and Presence Protocol (XMPP) and the Common Presence and Instant Messaging (CPIM) specifications. [STANDARDS-TRACK]