Ring Embedding in Faulty (n, k)-star Graphs

  • Authors:
  • Affiliations:
  • Venue:
  • ICPADS '01 Proceedings of the Eighth International Conference on Parallel and Distributed Systems
  • Year:
  • 2001

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Abstract

Abstract: In this paper, we consider the ring embedding problem in faulty (n, k)-star graphs. An (n, k)-star graph is recently proposed as an attractive interconnection network topology and also known as the generalized version of an n-star graph with scalability such that the number of nodes in the graph can be suitably adjustable by two dimensioning parameters n and k. Our scheme is proceeded in top-down style in such a manner that the resulting sub-stars maintain evenly distributed faults. We show that a ring of length n!/(n-k)! -f can be found in an (n, k)-star graph having n!/(n-k)! nodes when the number of faulty nodes f is at most n-3 and n-k =2.