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. The Atom format is documented in the Atom Syndication Format.
Another thing to note is that with XMPP, you won't need an Atom feed, pushing individual Atom entries is all you have to do. This lead me to conclude that the "feed" is a construct specific to HTTP, or even client/server polling in general. I am hence gla