Multi-server retrial model with variable number of active servers
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2005
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Pergamon Press, Inc.
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Abstract
This paper deals with a multi-server retrial queueing model in which the number of active servers depends on the number of customers in the system. To this end, the servers are switched on and off according to a multithreshold strategy. For a fixed choice of the threshold levels, the stationary distribution and various performance measures of the system are calculated. In the case of equidistant connection levels, the optimum threshold level is numerically computed.
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The authors would like to thank the referees for their constructive comments on an earlier version of the paper. J. R. Artalejo thanks the support received from the research project BFM2002-02189.