On-Line Change Detection for Resource Allocation in Service-Oriented Systems

  • Jakub M. Tomczak
Part of the IFIP Advances in Information and Communication Technology book series (IFIPAICT, volume 372)


In this paper, an on-line change detection algorithm for resource allocation in service-oriented systems is presented. The change detection is made basing on a dissimilarity measure between two estimated probability distributions. In our approach we take advantage of the fact that streams of requests in service-oriented systems can be modeled by non-homogenous Poisson processes. Thus, for Bhattacharyya distance measure and Kullback-Leibler divergence analytical expressions can be given. At the end of the paper a simulation study is presented. The aim of the simulation is to demonstrate an effect of applying adaptive approach in resource allocation problem.


change detection Bhattacharyya distance Kullback-Leibler divergence Poisson process 


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Copyright information

© IFIP International Federation for Information Processing 2012

Authors and Affiliations

  • Jakub M. Tomczak
    • 1
  1. 1.Institute of Computer ScienceWrocław University of TechnologyWrocławPoland

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