J-P. Martin and L. Alvisi
We present the first consensus protocol that reaches asynchronous Byzantine consensus in two communication steps in the common case. We prove that our protocol is optimal in terms of both number of communication step, and number of processes for 2-step consensus. The protocol can be used to build a replicated state machine that requires only three communication steps per request in the common case.
In Proceedings of the International Conference on Dependable Systems and Networks
Publisher IEEE Computer Society
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