RFC 5023 The Atom Publishing Protocol
http://tools.ietf.org/html/rfc5023
"The Atom Publishing Protocol (AtomPub) is an application-level protocol for publishing and editing Web resources. The protocol is based on HTTP transfer of Atom-formatted representations."
Jabber chat rooms for IETF working groups | 2006-03-29 | BitWorking
http://bitworking.org/news/Jabber_chat_rooms_for_IETF_working_groups
"It appears that the IETF is now hosting Jabber based rooms for each of the working groups."