Design of a Circuit-Switched Highly Fault-Tolerant k-ary n-cube

  • Authors:
  • Baback A. Izadi;Füsun Özgüner

  • Affiliations:
  • -;-

  • Venue:
  • ICPP '97 Proceedings of the international Conference on Parallel Processing
  • Year:
  • 1997

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Abstract

In this paper, we present a strongly fault-tolerant design for the k-ary n-cube multiprocessor and examine its reconfigurability. Our design augments the k-ary n-cube with (k/j)^n spare nodes; each set of j^n regular nodes is connected to a spare node and the spare nodes are interconnected as a (k/j)-ary n-cube. Our approach utilizes the circuit-switched capabilities of the communication modules of the spare nodes to tolerate a large number of faulty nodes and faulty links without any performance degradation. Both theoretical and simulation results are presented.