Throughputs in processor sharing models for integrated stream and elastic traffic

Litjens, Remco and Berg van den, Hans and Boucherie, Richard J. (2008) Throughputs in processor sharing models for integrated stream and elastic traffic. Performance Evaluation, 65 (2). pp. 152-180. ISSN 0166-5316

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Abstract:	We present an analytical study of throughput measures in processor sharing queuing systems with randomly varying service rates, modelling e.g. a communication link in an integrated services network carrying prioritised fixed rate stream traffic and rateadaptive elastic traffic. A number of distinct throughput measures for the elastic traffic are defined, analysed and compared under various system conditions, both by analytical means and simulation. It is concluded that the call-average throughput, which is most relevant from the user point of view but typically hard to analyse, is very well approximated by the newly proposed so-called expected instantaneous throughput, which is readily obtained from the system’s steady state distribution.
Item Type:	Article
Copyright:	© 2008 Elsevier
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Stochastic Operations Research (SOR)
Link to this item:	http://purl.utwente.nl/publications/62020
Official URL:	http://dx.doi.org/10.1016/j.peva.2007.05.002
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