Research note: Self-stabilizing byzantine asynchronous unison

  • Authors:
  • Swan Dubois;Maria Potop-Butucaru;Mikhail Nesterenko;Sébastien Tixeuil

  • Affiliations:
  • UPMC Sorbonne Universités & Inria, France;UPMC Sorbonne Universités & Inria, France;Kent State University, USA;UPMC Sorbonne Universités & Institut Universitaire de France, France

  • Venue:
  • Journal of Parallel and Distributed Computing
  • Year:
  • 2012

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Abstract

We explore asynchronous unison in the presence of systemic transient and permanent Byzantine faults in shared memory. We observe that the problem is not solvable under a less than strongly fair scheduler or for system topologies with maximum node degree greater than two. We present then a self-stabilizing Byzantine-tolerant solution to asynchronous unison for chain and ring topologies under the central strongly fair daemon. Our algorithm has minimum possible containment radius and optimal stabilization time.