Efficient low-contention asynchronous consensus with the value-oblivious adversary scheduler

Yonatan Aumann; Michael A. Bender

doi:10.1007/s00446-004-0113-4

Efficient low-contention asynchronous consensus with the value-oblivious adversary scheduler

Yonatan Aumann, Michael A. Bender

Department of Computer Science

NSF MRSEC for Polymers at Engineered Interfaces

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

We consider asynchronous consensus in the shared-memory setting. We present the first efficient low-contention consensus algorithm for the weak-adversary-scheduler model. The algorithm achieves consensus in O(nlog ²n) total work and O(log n) (hot-spot) contention, both expected and with high probability. The algorithm assumes the value-oblivious scheduler, which is defined in the paper. Previous efficient consensus algorithms for weak adversaries suffer from Ω(n) memory contention.

Original language	English
Pages (from-to)	191-207
Number of pages	17
Journal	Distributed Computing
Volume	17
Issue number	3
DOIs	https://doi.org/10.1007/s00446-004-0113-4
State	Published - Mar 2005

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abstract = "We consider asynchronous consensus in the shared-memory setting. We present the first efficient low-contention consensus algorithm for the weak-adversary-scheduler model. The algorithm achieves consensus in O(nlog 2n) total work and O(log n) (hot-spot) contention, both expected and with high probability. The algorithm assumes the value-oblivious scheduler, which is defined in the paper. Previous efficient consensus algorithms for weak adversaries suffer from Ω(n) memory contention.",

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Efficient low-contention asynchronous consensus with the value-oblivious adversary scheduler

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