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Finding the Right Number of Servers in Real-World Queuing Systems

Author

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  • Winfried K. Grassmann

    (Department of Computational Science, University of Saskatchewan, Saskatoon, Saskatchewan 57N 0W0, Canada)

Abstract

Real-life queuing problems tend to be complex and ill-defined, and exact mathematical approaches are therefore illusory. This has to be taken into account when one wants to determine the right number of servers in a real-life queuing system, a problem of considerable practical importance. We suggest a number of approaches to find the number of servers. These approaches are both simple and flexible enough to cover a wide variety of queuing situations. Most of these approaches are based on the normal distribution, and their derivation is similar to the one used in one-period inventory models. Formulas based on classical queuing equations are also discussed.

Suggested Citation

  • Winfried K. Grassmann, 1988. "Finding the Right Number of Servers in Real-World Queuing Systems," Interfaces, INFORMS, vol. 18(2), pages 94-104, April.
    • Handle: RePEc:inm:orinte:v:18:y:1988:i:2:p:94-104
    DOI: 10.1287/inte.18.2.94
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    Cited by:

    1. Alfonso J. Pedraza-Martinez & Sameer Hasija & Luk N. Van Wassenhove, 2020. "Fleet Coordination in Decentralized Humanitarian Operations Funded by Earmarked Donations," Operations Research, INFORMS, vol. 68(4), pages 984-999, July.
    2. Heemskerk, M. & Mandjes, M. & Mathijsen, B., 2022. "Staffing for many-server systems facing non-standard arrival processes," European Journal of Operational Research, Elsevier, vol. 296(3), pages 900-913.
    3. Robert M. Saltzman & Vijay Mehrotra, 2001. "A Call Center Uses Simulation to Drive Strategic Change," Interfaces, INFORMS, vol. 31(3), pages 87-101, June.

    More about this item

    Keywords

    queues; philosophy of modeling;

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