In
Tim Bray's Keynote Address at RubyWorld Conference 2009, I heard the word I never heard, "pubsubhubbub". What is this? I have searched this word and understood a little.
pubsubhubbub
It's publish/subscribe style feed protocol. This protocol is from 3 entities.
- Publisher ... Publish Atom feed or RSS feed to the Hub
- Subscriber ... Subscribe some feeds from the Hub
- Hub ... Notify feeds between Publisher and Subscriber as push notification
Representative subscriber is
Google Reader. Representative hub is
the sample hub built with pubsubhubbub team. If you want to build and run your own hub with Ruby, you could use
WebGlue. And representative publisher is... your own site. Of course, it's also possible on my site
if I change the feed settings on this site (not yet). Blogger have already embedded meta tag like below:
<link rel='hub' href='http://pubsubhubbub.appspot.com/'/>
And screen capture of actual feed XML is below:
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