Analysis of a Queueing System with Mixed Service Discipline

Alexander Dudin (), Sergei Dudin () and Olga Dudina ()
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Alexander Dudin: Belarusian State University
Sergei Dudin: Belarusian State University
Olga Dudina: Belarusian State University

Methodology and Computing in Applied Probability, 2023, vol. 25, issue 2, 1-19

Abstract: Abstract In this paper, we analyse a queueing model with two types of requests arriving in a marked Markov arrival process. Type-1 requests require a constant service rate, while type-2 requests admit a flexible service rate. Mixed service discipline is considered. It is defined as follows. The number of type-1 requests that can be processed by the system simultaneously is restricted. Type-2 requests receive service according to the classical processor sharing discipline and use all currently available (not occupied by type-1 requests) system bandwidth. Type-2 requests can be impatient and leave the system without receiving complete service. The system behavior is described by a multidimensional Markov chain. The infinitesimal generator of this chain is derived. The transparent ergodicity condition is obtained, and the stationary performance measures of the system are computed. A numerical example is presented, including consideration of the problem of choosing the optimal values of the system bandwidth and its share dedicated to the service of type-1 requests.

Keywords: Streaming and elastic traffic; Marked Markov arrival process; Processor sharing; Impatience; Ergodicity condition; 68M20; 60K25; 90B22 (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11009-023-10042-1

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