1 code implementation • 4 Apr 2018 • Guy Golan Gueta, Ittai Abraham, Shelly Grossman, Dahlia Malkhi, Benny Pinkas, Michael K. Reiter, Dragos-Adrian Seredinschi, Orr Tamir, Alin Tomescu
SBFT is a state of the art Byzantine fault tolerant permissioned blockchain system that addresses the challenges of scalability, decentralization and world-scale geo-replication.
Distributed, Parallel, and Cluster Computing
5 code implementations • 13 Mar 2018 • Maofan Yin, Dahlia Malkhi, Michael K. Reiter, Guy Golan Gueta, Ittai Abraham
We present HotStuff, a leader-based Byzantine fault-tolerant replication protocol for the partially synchronous model.
Distributed, Parallel, and Cluster Computing
1 code implementation • 4 Dec 2017 • Ittai Abraham, Guy Gueta, Dahlia Malkhi, Lorenzo Alvisi, Rama Kotla, Jean-Philippe Martin
In this note, we observe a safety violation in Zyzzyva and a liveness violation in FaB.
Distributed, Parallel, and Cluster Computing
no code implementations • 1 Nov 2014 • Ittai Abraham, Omar Alonso, Vasilis Kandylas, Rajesh Patel, Steven Shelford, Aleksandrs Slivkins
In this paper we investigate how to devise better stopping rules given such quality scores.
no code implementations • 13 Feb 2013 • Ittai Abraham, Omar Alonso, Vasilis Kandylas, Aleksandrs Slivkins
This model is related to, but technically different from the well-known multi-armed bandit problem.