Simple bounds for closed queueing networks

  • Authors:
  • Arie Harel;Su Namn;Jacob Sturm

  • Affiliations:
  • Department of Mathematics, National University of Singapore, Lower Kent Ridge Road, Singapore 119260 E-mail: harel@math.nus.edu.sg;Department of Management Information Systems, Hannam University, Taeduk-Gu, Taejon, Korea E-mail: namn@eve.hannam.ac.kr;Department of Mathematics and Computer Science, Rutgers University, Newark, NJ 07102, USA E-mail: sturm@andromeda.rutgers.edu

  • Venue:
  • Queueing Systems: Theory and Applications
  • Year:
  • 1999

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Abstract

Consider a closed Jackson type network in which each queue has a single exponential server. Assume that N customers are moving among k queues. We establish simple closed form bounds on the network throughput (both lower and upper), which are sharper than those that are currently available. Numerical evaluation indicates that the improvements are significant.