The Queuing Network Analysis Tool (QNAT)

  • Authors:
  • Hema Tahilramani Kaur;D. Manjunath;Sanjay K. Bose

  • Affiliations:
  • -;-;-

  • Venue:
  • MASCOTS '00 Proceedings of the 8th International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems
  • Year:
  • 2000

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Abstract

In this paper, we describe QNAT, a software tool developed at Indian Institute of Technology, Kanpur, India, for the analysis and simulation of queuing networks. Arbitrary configurations of open or closed networks of multi-server queues with infinite or finite capacity, fork-join queues with or without synchronization queues can be analyzed or simulated using QNAT. Queuing Networks with multiple classes of customers may be specified with each class being a closed or an open class independently. If there are finite capacity queues in the system, the type of blocking mechanism - transfer, repetitive service or rejection, can also be specified. For the applications where the accuracy of the results is important, an option to simulate the network is also provided. QNAT has proved to be a useful tool for the design of telecommunication systems, computer networks, modeling of industrial systems, design of banking systems, teaching courses and research on queuing theory etc. 1 QNAT is a user-friendly analysis tool, developed with a Windows based Graphical User Interface (GUI). Mathematica forms the computing platform for QNAT due to its ability to perform symbolic computation.