After some googling, I found this description here[1]. It sounds like a straightforward pub-sub server (similar to redis pub/sub?). [1]: http://www.activesta

After some googling, I found this description here[1]. It sounds like a straightforward pub-sub server (similar to redis pub/sub?). [1]: http://www.activestate.com/blog/2013/01/building-paas-ruby