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Approximations for Markovian multi-class queues with preemptive priorities |
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| Authors: | Matthieu van der Heijden Aart van Harten |
| Institution: | a Faculty of Business, Public Administration and Technology, Department of Operational Methods for Production and Logistics, University of Twente, P.O. Box 217, 7500 AE Enschede, Netherlands b EURANDOM, Eindhoven University of Technology, Netherlands |
| Abstract: | We discuss the approximation of performance measures in multi-class M/M/k queues with preemptive priorities for large problem instances (many classes and servers) using class aggregation and server reduction. We compared our approximations to exact and simulation results and found that our approach yields small-to-moderate approximation errors. |
| Keywords: | Multi-channel queues Preemptive priorities Approximations |
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