Revisiting Fast Practical Byzantine Fault Tolerance

December 04, 2017 Β· Declared Dead Β· πŸ› arXiv.org

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Authors Ittai Abraham, Guy Gueta, Dahlia Malkhi, Lorenzo Alvisi, Rama Kotla, Jean-Philippe Martin arXiv ID 1712.01367 Category cs.DC: Distributed Computing Citations 114 Venue arXiv.org Last Checked 4 months ago
Abstract
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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