Papers › Revisiting Fast Practical Byzantine Fault Tolerance
Revisiting Fast Practical Byzantine Fault Tolerance
Ittai Abraham, Guy Gueta, Dahlia Malkhi, Lorenzo Alvisi, Rama Kotla, Jean-Philippe Martin
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In this note, we observe a safety violation in Zyzzyva and a liveness violation in FaB. To demonstrate these issues, we require relatively simple scenarios, involving only four replicas, and one or two view changes. In all of them, the problem is manifested already in the first log slot.
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