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Performability Evaluation of Gracefully Degradable Systems.

Lindemann, Christoph W.

In: Proceedings of the 32nd Midwest Symposium on Circuits and Systems, 1989, Champaign, IL, USA, pages 424-427. Piscataway, NJ, USA: IEEE Service Center, 1990.

Abstract: A method for evaluating the performability of repairable degradable systems based on combining generalized stochastic Petri nets and product-form queuing networks models is presented. The method takes into consideration the transient behavior during a change in the system structure. A hierarchical decomposition method is used to reduce the computational effort for the solution. Since it is assumed that all tasks in the system belong to a single class, the aggregation of a submodel to a flow-equivalent transition leads to an exact solution.

Keywords: performability evaluation (of) repairable degradable system; generalized stochastic net; queueing network; hierarchical decomposition.


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