Optimal resource assignment to maximize multistate network reliability for a computer network

Yi-Kuei Lin, Cheng Ta Yeh*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Computer network is a major tool to transmit data in our modern society. How to evaluate and enhance network reliability is thus an important issue for organizations, especially to maximize network reliability. A computer network is a multistate network in which each edge has several possible capacities with a probability distribution and may fail. The multistate network reliability is the probability that the maximal flow is no less than a given demand. From the standpoint of quality management, a further problem is to reassign the existing resources for maximizing multistate network reliability without changing the network topology. Hence, this paper focuses on the resource assignment problem to propose an efficient approach based on the simple genetic algorithm. In which, a resource assignment is represented as a chromosome and the corresponding multistate network reliability is the fitness value of the chromosome. The experimental results show that the proposed algorithm can derive the optimal resource assignment in a reasonable time.

Original languageEnglish
Pages (from-to)2229-2238
Number of pages10
JournalComputers and Operations Research
Volume37
Issue number12
DOIs
StatePublished - 1 Dec 2010

Keywords

  • Genetic algorithm
  • Maximal reliability
  • Multistate network
  • Optimal resource assignment

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