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Study of a Controllable Queueing System with Unreliable Heterogeneous Servers

  • Stochastic Systems
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Abstract

We consider a two-channel Markov queueing system with unreliable heterogeneous servers and a common queue. The claims are distributed among the servers with a threshold control policy. According to this policy, a server with the smaller average usage cost must be busy if the system itself is not empty, and the other server is used if the number of customers in the queue exceeds a certain threshold. We analyze the system in stationary mode. We present a method for computing the probabilities of system states and expressions for average performance and reliability characteristics. For the problem of minimizing average losses per unit of time, we obtain a heuristic formula that approximately computes the optimal threshold policy and proposes a method for computing the stationary distribution of the claim waiting time in the system.

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Authors and Affiliations

  1. Trapeznikov Institute of Control Sciences, Russian Academy of Sciences, Moscow, Russia

    D. V. Efrosinin, M. P. Farkhadov & N. V. Stepanova

Authors
  1. D. V. Efrosinin
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  2. M. P. Farkhadov
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  3. N. V. Stepanova
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Correspondence to D. V. Efrosinin.

Additional information

Original Russian Text © D.V. Efrosinin, M.P. Farkhadov, N.V. Stepanova, 2018, published in Avtomatika i Telemekhanika, 2018, No. 2, pp. 80–105.

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Efrosinin, D.V., Farkhadov, M.P. & Stepanova, N.V. Study of a Controllable Queueing System with Unreliable Heterogeneous Servers. Autom Remote Control 79, 265–285 (2018). https://doi.org/10.1134/S0005117918020066

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  • DOI: https://doi.org/10.1134/S0005117918020066

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