A permutation-and-backtrack approach for reliability evaluation in multistate information networks

Shin-Guang Chen and Yi-Kuei Lin

Applied Mathematics and Computation, 2020, vol. 373, issue C

Abstract: Nowadays, people live heavily on information systems to handle their business and schedules. A reliable information system helps people smoothly and efficiently deal with their daily-life affairs. An information system usually consists of connected software and hardware components, and can be modeled by connected graphs. In network theory, such graphs are called multistate information networks. Therefore, the reliability of an information system can be evaluated by network theory, namely network reliability. The most popular approach to evaluate network reliability is the three-stage-approach (TSA), which involves (a) finding all minimal paths (MPs), (b) finding all d-system vectors (d-SVs), and (c) calculating the union probability of d-SVs for reliability. Approaches for creating all MPs has been reported. There is a need for a more efficient approach to generate all d-SVs for such calculation. In this article, an approach based on permutation-and-backtrack facility is proposed to generate all such d-SVs. The efficiency of this approach is generally accepted to be superior to the existing approaches. The proposed approach provides us an efficient, and simple way to speed up TSA as a more powerful tool for evaluating the reliability of multistate information networks.

Keywords: Permutation-and-backtrack; Multistate information network; d-system vector; Minimal path; Network reliability (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:373:y:2020:i:c:s0096300319310161

DOI: 10.1016/j.amc.2019.125024

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