If you're interested in learning more about consensus algorithms, there's a great website that describes many of the variants: http://paxos.systems/ http://paxo

If you're interested in learning more about consensus algorithms, there's a great website that describes many of the variants: http://paxos.systems/ http://paxos.systems/. The author also published an excellent paper on the subject called "Paxos Made Moderately Complex" (http://www.cs.cornell.edu/courses/cs7412/2011sp/paxos.pdf http://www.cs.cornell.edu/courses/cs7412/2011sp/paxos.pdf)