Abstract
We consider a multi-server queuing system that can be useful for solving the problem of reaching a trade-off between energy saving considerations and quality of customer’s service by the use of so-called backup servers. A backup server joins to the service of a customer in case the timer installed at the service beginning moment on the main server expires. Such service organization allows to avoid too much delays in the system in conditions of reasonable energy savings. The system under consideration can also be considered as a model of an unreliable system where in the case of a failure of a main server a customer is serviced by a back-up server. In this case, the time set on the timer is interpreted as the time before the breaking-down of a main server. The behavior of the system is described by two-dimensional continuous time Markov chain which is successfully analysed in this paper.
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Acknowledgments
This work has been financially supported by the Russian Science Foundation and the Department of Science and Technology (India) via grant No 16-49-02021 (INT/RUS/RSF/16) for the joint research project by the V.A. Trapeznikov Institute of Control Problems of the Russian Academy Sciences and the CMS College Kottayam.
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Klimenok, V., Dudin, A., Shumchenia, U. (2018). A Multi-server Queueing System with Backup Servers. In: Dudin, A., Nazarov, A., Moiseev, A. (eds) Information Technologies and Mathematical Modelling. Queueing Theory and Applications. ITMM WRQ 2018 2018. Communications in Computer and Information Science, vol 912. Springer, Cham. https://doi.org/10.1007/978-3-319-97595-5_10
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DOI: https://doi.org/10.1007/978-3-319-97595-5_10
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