Draft: PubSubHubbub Core 0.3 -- Working DraftAbstract An open, simple, web-scale pubsub protocol, along with an open source reference implentation targetting Google App Engine. Notably, however, nothing in the protocol is centralized, or Google- or App Engine-specific. Anybody can play. As opposed to more developed (and more complex) pubsub specs like Jabber Publish-Subscribe (Millard, P., Saint-Andre, P., and R. Meijer, “Publish-Subscribe,”
