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An Integral Equation Approach to the M/G/2 Queue

Author

Listed:
  • C. Knessl

    (Northwestern University, Evanston, Illinois)

  • B. J. Matkowsky

    (Northwestern University, Evanston, Illinois)

  • Z. Schuss

    (Tel Aviv University, Tel Aviv, Israel)

  • C. Tier

    (University of Illinois at Chicago, Chicago, Illinois)

Abstract

We study the stationary distribution of the number of customers in M/G/2 queueing systems. The two servers are allowed to have different service time distributions. We include the elapsed service times of the customers presently served as supplementary variables and obtain the forward equations satisfied by the joint stationary distribution of the number of customers and the elapsed service times. Using a sequence of transformations, we reduce the problem of determining the marginal probabilities of the number of customers present to the solution of a pair of coupled integral equations. When the servers are identical, only a single integral equation must be solved. The solution of the integral equation(s), and with it the stationary distribution of the number of customers, is constructed for several specific service time densities (e.g., Erlang, hyperexponential, and deterministic).

Suggested Citation

  • C. Knessl & B. J. Matkowsky & Z. Schuss & C. Tier, 1990. "An Integral Equation Approach to the M/G/2 Queue," Operations Research, INFORMS, vol. 38(3), pages 506-518, June.
    • Handle: RePEc:inm:oropre:v:38:y:1990:i:3:p:506-518
    DOI: 10.1287/opre.38.3.506
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    Cited by:

    1. Berezhkovskii, A.M. & Zitserman, V.Yu., 1992. "Multidimensional activated rate processes with slowly relaxing mode," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 187(3), pages 519-550.
    2. Müller, Reinhard & Talkner, Peter & Reimann, Peter, 1997. "Rates and mean first passage times," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 247(1), pages 338-356.

    More about this item

    Keywords

    queues: length distribution in M/G/2;

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