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Optimal time broadcasting in faulty star networks

  • Aohan Mei
  • Feng Bao
  • Yukihiro Hamada
  • Yoshihide Igarashi
Regular Papers
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1151)

Abstract

This paper investigates fault-tolerant broadcasting in star networks. We propose a non-adaptive single-port broadcasting scheme in the n-star network such that it tolerates n — 2 faults in the worst case and completes the broadcasting in O(n log n) time. The existence of such a broadcasting scheme was not known before. A new technique, called diffusing- and -disseminating, is introduced to design our broadcasting scheme. This technique is useful to improve the efficiency of broadcasting in star networks. We analyze the reliability of the broadcasting scheme in the case where faults are randomly distributed in the n-star network. The broadcasting scheme in the n-star network can tolerate (n!)* random faults with a high probability, where α is any constant less than 1.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • Aohan Mei
    • 1
  • Feng Bao
    • 1
  • Yukihiro Hamada
    • 1
  • Yoshihide Igarashi
    • 1
  1. 1.Department of Computer ScienceGunma UniversityKiryuJapan

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