Slowdown in the M / M / 1 discriminatory processor-sharing queue

Sing Kong Cheung, Bara Kim, Jeongsim Kim

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We consider a queue with multiple K job classes, Poisson arrivals, and exponentially distributed required service times in which a single processor serves according to the discriminatory processor-sharing (DPS) discipline. For this queue, we obtain the first and second moments of the slowdown, which is a measure for queueing fairness. We then provide numerical examples and discuss aspects of the slowdown in the DPS queue.

Original languageEnglish
Pages (from-to)586-605
Number of pages20
JournalPerformance Evaluation
Volume65
Issue number8
DOIs
Publication statusPublished - 2008 Jul

Bibliographical note

Funding Information:
For the first author this work has been funded by the cooperation agreement between the Korea Science and Engineering Foundation (KOSEF), and the Netherlands Organization for Scientific Research (NWO). For the second author this research was supported by the MIC (Ministry of Information and Communication), Korea, under the ITRC (Information Technology Research Center) support program supervised by the IITA (Institute of Information Technology Assessment). For the second and the third authors this work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD) (KRF-2006-312-C00470).

Keywords

  • Discriminatory processor-sharing
  • Egalitarian processor-sharing
  • Fairness
  • M / M / 1 queue
  • Slowdown

ASJC Scopus subject areas

  • Software
  • Modelling and Simulation
  • Hardware and Architecture
  • Computer Networks and Communications

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