Natacha
Crooks
Department
of
Electrical
Engineering
and
Computer
Science, UC
Berkeley
In this talk, I will discuss alternative ways to scale the abstraction of a Byzantine fault-tolerant shared log, which have regained popularity with the recent growth of decentralized trust. Specifically, I will present Basil. Basil leverages ACID transactions to scalably implement this abstraction. Unlike traditional BFT approaches, Basil executes non-conflicting operations in parallel and commits transactions in a single round-trip during fault-free executions. Basil improves throughput over traditional BFT systems by four to five times, and is only four times slower than TAPIR, a non-Byzantine replicated system. Basil’s novel recovery mechanism further minimizes the impact of failures: with 30% Byzantine clients, throughput drops by less than 25% in the worst-case.
Bio: Natacha Crooks is an Assistant Professor at UC Berkeley. She works at the intersection of distributed systems and databases with a recent focus on privacy and integrity in transactional datastores. She obtained her PhD from UT Austin in 2019 for which she obtained the Dennis Ritchie Doctoral Dissertation Award.
To join this DSG Seminar Series presentation on Zoom, please register at https://uwaterloo.zoom.us/meeting/register/tJMudO6srD8rE9KURpdyHPE98J_g4ebLZmFU.