Randomized consensus in expected O(n2) total work using single-writer registers

  • Authors:
  • James Aspnes

  • Affiliations:
  • Yale University

  • Venue:
  • DISC'11 Proceedings of the 25th international conference on Distributed computing
  • Year:
  • 2011

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Abstract

A new weak shared coin protocol yields a randomized waitfree shared-memory consensus protocol that uses an optimal O(n2) expected total work with single-writer registers despite asynchrony and process crashes. Previously, no protocol was known that achieved this bound without using multi-writer registers.