Position Paper: BFT: the Time is Now

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Executive Summary

Data centers strive to provide reliable access to the data and services that they host. This reliable access requires the hosted data and services hosted by the data center to be both consistent and available. Byzantine Fault Tolerance (BFT) replication offers the promise of services that are consistent and available despite arbitrary failures by a bounded number of servers and an unbounded number of clients. This position paper is simple: BFT is on the verge of becoming a practical reality - but clearing the last hurdles will require to rethink, once again, how BFT systems must be designed and implemented.

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