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Deterministic, constant space, self-stabilizing leader election on uniform rings

  • Gene Itkis
  • Chengdian Lin
  • Janos Simon
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 972)

Abstract

Self-stabilizing leader election protocols elect a single processor, leader, even when initiated from an arbitrary (e.g. faulty) configuration. Deterministic self-stabilizing leader election is impossible even on rings, if the number of processors is composite, no matter what computational resources are available to the processors. Moreover, it remains impossible even if the number of processors is prime, but each processor has less than log(n −1) bits of memory and the ring is unidirectional (i.e. each processor sees only itself and its clockwise neighbor). We show, however, that the deterministic self-stabilizing leader election is possible even if the processors are of constant size if the rings are bi-directional. More precisely, we present a deterministic uniform and constant space leader election protocol for prime sized rings under a central demon.

Key words

Fault Tolerant Finite Automata Leader Election Ring Se If-Stabilization 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Gene Itkis
    • 1
  • Chengdian Lin
    • 2
  • Janos Simon
    • 2
  1. 1.Computer Science Dept.TechnionHaifaIsrael
  2. 2.Computer Science Dept.University of ChicagoChicagoUSA

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