Multi-server retrial model with variable number of active servers

  • Authors:
  • J. R. Artalejo;D. S. Orlovsky;A. N. Dudin

  • Affiliations:
  • Department of Statistics and O.R., Faculty of Mathematics, Complutense University of Madrid, Madrid 28040, Spain;Belarusian State University, Minsk 220050, Belarus;Belarusian State University, Minsk 220050, Belarus

  • Venue:
  • Computers and Industrial Engineering
  • Year:
  • 2005

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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.