Product forms for availability models

Eric Smeitink, Nico M. van Dijk and Boudewijn R. Haverkort

Applied Stochastic Models and Data Analysis, 1992, vol. 8, issue 4, 283-302

Abstract: This paper shows and illustrates that product form expressions for the steady state distribution, as known for queueing networks, can also be extended to a class of availability models. This class allows breakdown and repair rates from one component to depend on the status of other components. Common resource capacities and repair priorities, for example, are included. Conditions for the models to have a product form are stated explicitly. This product form is shown to be insensitive to the distributions of the underlying random variables, i.e. to depend only on their means. Further it is briefly indicated how queueing for repair can be incorporated. Novel product form examples are presented of a simple series/parallel configuration, a fault tolerant database system and a multi‐stage interconnection network.

Date: 1992
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Persistent link: https://EconPapers.repec.org/RePEc:wly:apsmda:v:8:y:1992:i:4:p:283-302

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