Byzantine fault tolerance is important because it can be used to implement highly-available systems that tolerate arbitrary behaviorfrom faulty components. This paper presents a detailed performance evaluation of BFT, a state-machine replication algorithm that tolerates Byzantine faults in asynchronous systems. Our results contradict the common belief that Byzantine fault tolerance is too slow to be used in practice – BFT performs well so that it can be used to iniplenient real systems. We implemented a replicated NFS file system using BFT that performs 2% faster to 24% slower than production implementations of the NFS protocol that are not fault-tolerant.<\/p>\n","protected":false},"excerpt":{"rendered":"
Byzantine fault tolerance is important because it can be used to implement highly-available systems that tolerate arbitrary behaviorfrom faulty components. This paper presents a detailed performance evaluation of BFT, a state-machine replication algorithm that tolerates Byzantine faults in asynchronous systems. 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