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Optimal Admission Control for a QoS-Aware Service-Oriented System

  • Marco Abundo
  • Valeria Cardellini
  • Francesco Lo Presti
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6994)

Abstract

In the service computing paradigm, a service broker can build new applications by composing network-accessible services offered by loosely coupled independent providers. In this paper, we address the admission control problem for a a service broker which offers to prospective users a composite service with a range of different Quality of Service (QoS) classes. We formulate the problem as a Markov Decision Process (MDP) problem with the goal of maximizing the broker revenue while guaranteeing non-functional QoS requirements to its already admitted users. To assess the effectiveness of the MDP-based admission control, we present experimental results where we compare the optimal decisions obtained by the analytical solution of the MDP with other policies.

Keywords

Admission Control Markov Decision Process Service Level Agree Composite Service Service Broker 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Marco Abundo
    • 1
  • Valeria Cardellini
    • 1
  • Francesco Lo Presti
    • 1
  1. 1.DISPUniversità di Roma “Tor Vergata”Italy

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