Performance Modeling and Evaluation of E-Business Systems

  • Authors:
  • Giovanna Ferrari;Paul Ezhilchelvan;Isi Mitrani

  • Affiliations:
  • University of Newcastle, UK;University of Newcastle, UK;University of Newcastle, UK

  • Venue:
  • ANSS '06 Proceedings of the 39th annual Symposium on Simulation
  • Year:
  • 2006

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Abstract

A general model of an E-business system comprising an Application Server and a Database engine is analyzed and evaluated. Incoming jobs, once admitted for processing, compete for the available resources. Database accesses are of different types and are subject to time-outs. An efficient approximate solution is provided; its accuracy is evaluated by comparing the model estimates with those obtained from simulations. The effect of several controllable parameters on the performance of the system is examined in a series of numerical and simulation experiments.