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The weakest failure detector to solve nonuniform consensus

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Abstract

We determine the weakest failure detector to solve nonuniform consensus in any environment, i.e., regardless of the number of faulty processes. Together with previous results, this closes all aspects of the following question: What is the weakest failure detector to solve (uniform or nonuniform) consensus in any environment?

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Authors and Affiliations

  1. One Microsoft Way, Microsoft Corporation, Redmond, WA, 98052, USA

    Jonathan Eisler

  2. Department of Computer Science, University of Toronto, Toronto, ON, M5S 3G4, Canada

    Vassos Hadzilacos & Sam Toueg

Authors
  1. Jonathan Eisler
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  2. Vassos Hadzilacos
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  3. Sam Toueg
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Additional information

Research supported in part by the Natural Sciences and Engineering Council of Canada.

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Eisler, J., Hadzilacos, V. & Toueg, S. The weakest failure detector to solve nonuniform consensus. Distrib. Comput. 19, 335–359 (2007). https://doi.org/10.1007/s00446-006-0019-4

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  • DOI: https://doi.org/10.1007/s00446-006-0019-4

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