Availability analysis of repairable n-server ni-replicated systems

Availability analysis of repairable n-server ni-replicated systems

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Article ID: iaor1996598
Country: United Kingdom
Volume: 46
Issue: 6
Start Page Number: 747
End Page Number: 752
Publication Date: Jun 1995
Journal: Journal of the Operational Research Society
Authors: ,
Keywords: maintenance, repair & replacement
Abstract:

This paper develops an exact closed-form expression for the steady-state availability of a repairable, n-server system in which the ith server contains ni identical, reconfigurable, breakdown-prone units. The approach, which follows from the Markov chain balance equations and the recursive properties of Hessenberg matrix determinants, is simpler than previously proposed matrix geometric approaches, and can readily be adapted to the availability analysis of more complicated structures. The paper illustrates this by computing the steady-state availability of a mixed parallel-serial gracefully degrading replicated system.

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