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Incompleteness of results for the slow-server problem with an unreliable fast server

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  • Erhun Özkan
  • Jeffrey Kharoufeh

Abstract

Efrosinin (Ann Oper Res 202:75–102, 2013 ) examined the optimal allocation of customers in an $$M/M/2$$ M / M / 2 queueing system with heterogeneous servers differentiated by their service rates and reliability attributes. Specifically, the faster server is subject to partial or complete failures, and the slower server is perfectly reliable. The objective is to determine an optimal allocation policy that minimizes the long-run average number of customers in the system. The purpose of this note is to show that some key arguments in Efrosinin ( 2013 ) related to the optimality of a threshold policy are incomplete. Copyright Springer Science+Business Media New York 2015

Suggested Citation

  • Erhun Özkan & Jeffrey Kharoufeh, 2015. "Incompleteness of results for the slow-server problem with an unreliable fast server," Annals of Operations Research, Springer, vol. 226(1), pages 741-745, March.
    • Handle: RePEc:spr:annopr:v:226:y:2015:i:1:p:741-745:10.1007/s10479-014-1615-5
    DOI: 10.1007/s10479-014-1615-5
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    References listed on IDEAS

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    1. Hsing Paul Luh & Ioannis Viniotis, 2002. "Threshold control policies for heterogeneous server systems," Mathematical Methods of Operations Research, Springer;Gesellschaft für Operations Research (GOR);Nederlands Genootschap voor Besliskunde (NGB), vol. 55(1), pages 121-142, March.
    2. Dmitry Efrosinin, 2013. "Queueing model of a hybrid channel with faster link subject to partial and complete failures," Annals of Operations Research, Springer, vol. 202(1), pages 75-102, January.
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