ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
Semi-passive replication and Lazy Consensus
Journal of Parallel and Distributed Computing
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Algorithms for solving agreement problems can be classified in two categories:(1)those relying on failure detectors that we call FD-based ,and (2)those that rely on a Group Membership Service that we call GMS-based .The paper discusses the advantages and limitations of these two approaches,and proposes an extension to the GMS-approach that combines the advantages of both approaches,without their drawbacks. This extension leads us to distinguish between time-triggered suspicions of processes and space-triggered exclusions.