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Atomic broadcast is an important communication primitive often used to implement state-machine replication. Despite the large number of atomic broadcast algorithms proposed in the literature, few papers have discussed how to turn these algorithms into efficient executable protocols. Our main contribution, Ring Paxos, is a protocol derived from Paxos. Ring Paxos inherits the reliability of Paxos and can be implemented very efficiently. We report a detailed performance analysis of Ring Paxos and compare it to other atomic broadcast protocols.
Date of Conference: June 28 2010-July 1 2010