Large deviations of sojourn times in processor sharing queues

  • Authors:
  • Michel Mandjes;Bert Zwart

  • Affiliations:
  • Aff1 Aff2;Department of Mathematics & Computer Science, Eindhoven University of Technology, Eindhoven, The Netherlands 5600 MB

  • Venue:
  • Queueing Systems: Theory and Applications
  • Year:
  • 2006

Quantified Score

Hi-index 0.00

Visualization

Abstract

This paper presents a large deviation analysis of the steady-state sojourn time distribution in the GI/G/1 PS queue. Logarithmic estimates are obtained under the assumption of the service time distribution having a light tail, thus supplementing recent results for the heavy-tailed setting. Our proof gives insight into the way a large sojourn time occurs, enabling the construction of an (asymptotically efficient) importance sampling algorithm. Finally our results for PS are compared to a number of other service disciplines, such as FCFS, LCFS, and SRPT.