A simple and communication-efficient Omega algorithm in the crash-recovery model
Information Processing Letters
Brief Announcement: A Simple and Quiescent Omega Algorithm in the Crash-Recovery Model
SSS '09 Proceedings of the 11th International Symposium on Stabilization, Safety, and Security of Distributed Systems
Brief announcement: on implementing Omega efficiently in the crash-recovery model
DISC'09 Proceedings of the 23rd international conference on Distributed computing
Communication-efficient leader election in crash-recovery systems
Journal of Systems and Software
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Unreliable failure detectors provide information about process failures. A particular failure detector called Omega has been shown to be the weakest for solving consensus with a majority of correct processes. This work addresses the implementation of Omega in the crash-recovery failure model. Firstly, the definition of Omega is adapted to that model, assuming that processes do not use stable storage. After that, an algorithm implementing Omega under some weak assumptions on communication reliability and synchrony is proposed.