RFC 3921, Extensible Messaging and Presence Protocol -LRB- XMPP -RRB- : Instant Messaging and Presence describes instant messaging -LRB- IM -RRB-, the most common application of XMPP.
Le protocole Extensible Messaging and Presence Protocol -LRB- XMPP -RRB- est un protocole de messagerie instantanée.