Performance Evaluation of Fuzzy-Neural HTTP Request Distribution for Web Clusters

  • Leszek Borzemski
  • Krzysztof Zatwarnicki
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4029)


In this paper we present the performance evaluation of our fuzzy-neural HTTP request distribution algorithm called FNRD, which assigns each incoming request to the server in the Web cluster with the quickest expected response time. The fuzzy mechanism is used to estimate the expected response times. A neural-based feedback loop is used for real-time tuning of response time estimates. To evaluate the system, we have developed a detailed simulation and workload model using CSIM19 package. Our simulations show that FNRD can be more effective than its competitors.


Load Balance Round Robin Server Load Incoming Request Estimation Mechanism 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Leszek Borzemski
    • 1
  • Krzysztof Zatwarnicki
    • 2
  1. 1.Institute of Information Science and EngineeringWroclaw University of TechnologyWroclawPoland
  2. 2.Department of Electrical Engineering and Automatic ControlTechnical University of OpoleOpolePoland

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