A diameter-constrained network reliability model to determine the probability that a communication network meets delay constraints

  • Authors:
  • Louis Petingi

  • Affiliations:
  • Computer Science Department, College of Staten Island, City University of New York, Staten Island, N.Y.

  • Venue:
  • WSEAS TRANSACTIONS on COMMUNICATIONS
  • Year:
  • 2008

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Abstract

In this paper we provide a summary of results and applications pertaining a Diameter-constrained Network reliability model. Classical network reliability models measure the probability that there exist end-to-end paths between network nodes, not taking into account the length of these paths. For many applications this is inadequate because the connection will only be established or attain the required quality if the distance between the connecting nodes does not exceed a given value. The Diameter-constrained reliability of a network (DCR) introduced recently considers not only the underlying topology, but also imposes a bound on the diameter, which is the maximum distance between the nodes of the network. We present a synopsis of the known results and applications of the DCR for networks that can either be modeled by directed as well as undirected graphs. Moreover important combinatorial and computational properties of this reliability measure are discussed. As the DCR subsumes the classical reliability measure (i.e., where no distance constraints are imposed on the paths connecting the nodes), as a by-product we prove well-known classical results.