Networks with Small Stretch Number

  • Authors:
  • Serafino Cicerone;Gabriele Di Stefano

  • Affiliations:
  • -;-

  • Venue:
  • WG '00 Proceedings of the 26th International Workshop on Graph-Theoretic Concepts in Computer Science
  • Year:
  • 2000

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Abstract

In a previous work, the authors introduced the class of graphs with bounded induced distance of order k, (BID(k) for short) to model non-reliable interconnection networks. A network modeled as a graph in BID(k) can be characterized as follows: if some nodes have failed, as long as two nodes remain connected, the distance between these nodes in the faulty graph is at most k times the distance in the non-faulty graph. The smallest k such that G ∈ BID(k) is called stretch number of G. In this paper we give new characterization, algorithmic, and existence results about graphs with small stretch number.