BFT
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Reading Group. ByShard: Sharding in a Byzantine Environment
Our 93rd paper in the reading group was “ByShard: Sharding in a Byzantine Environment” by Jelle Hellings, Mohammad Sadoghi. This VLDB’21 paper talks about sharded byzantine systems and proposes an approach that can implement 18 different multi-shard transaction algorithms. More specifically, the paper discusses two-phase commit (2PC) and two-phase locking (2PL) in a byzantine environment.…
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Reading Group. Basil: Breaking up BFT with ACID (transactions)
Our 89th paper in the reading group was “Basil: Breaking up BFT with ACID (transactions)” from SOSP’21 by Florian Suri-Payer, Matthew Burke, Zheng Wang, Yunhao Zhang, Lorenzo Alvisi, and Natacha Crooks. I will make this summary short. We had a quick and improvised presentation as well. Unfortunately, this time around, it was not recorded. The…
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Reading Group. XFT: Practical Fault Tolerance beyond Crashes
In the 57th reading group meeting, we continued looking at byzantine fault tolerance. In particular, we looked at “XFT: Practical Fault Tolerance beyond Crashes” OSDI’16 paper. Today’s summary & discussion will be short, as I am doing it way past my regular time. The paper talks about a fault tolerance model that is stronger than…
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Reading Group. chainifyDB: How to get rid of your Blockchain and use your DBMS instead
Our recent meeting focused on Blockchains, as we discussed “chainifyDB: How to get rid of your Blockchain and use your DBMS instead” CIDR’21 paper. The presentation by Karolis Petrauskas is available here: The paper argues for using existing and proven technology to implement a permissioned blockchain-like system. The core idea is to leverage relational SQL-99…
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