September SIGACT Distributed Computing Column
September 9, 2010, 4:20 pm
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The September SIGACT distributed computing column is now available at Technion and at MIT.  This month Valerie and I contributed a survey on scalable Byzantine Agreement – Marko Vukolic considers BA for cloud computing providers.  Idit’s intro to the column is below.

“After almost 30 years of research on Byzantine Agreement (BA), the problem continues to be relevant and to re-invent itself in new ways. This column discusses two new research directions that further push the scale of BA. It suggests new domains where BA can, and perhaps should, be deployed.  First, our main contribution, by Valerie King and Jared Saia, argues for running BA in setting with a large number of nodes (or processors). Valerie and Jared survey new BA protocols whose communication complexity is scalable in the number of participating processors. This, they argue, enables their deployment in larger-scale domains for which BA was considered infeasible before. The second contribution, by Marko Vukolic, considers another emerging domain for BA. It calls for wider-scale deployment of BA protocols, not among many processors, but rather over multiple cloud computing providers.

The column ends with a short announcement about Morgan Claypool’s new monograph series on Distributed Computing Theory, edited by Nancy Lynch.

Many thanks to Valerie, Jared, and Marko for sharing their insights!”

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