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Tactical Service Selection with Runtime Aspects

  • Rene Ramacher
  • Lars Mönch
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8274)

Abstract

The quality of service (QoS) of a service composition is addressed by a QoS-aware service selection. In the presence of sophisticated service charging models a cost-minimized service selection can be obtained related to a number of requests expected for a service composition in a predefined planning horizon. A service selection that is used to execute requests throughout an entire planning horizon is called tactical. The majority of service selection models assume a deterministic service execution and therefore the need for runtime adaptions of a service composition to react on service failures or deviating QoS values is neglected. The challenge that is addressed with this paper is to develop a tactical service selection approach that anticipates runtime adaptions of a service composition. It is shown that the tactical service selection can be efficiently combined with an existing service reconfiguration method to achieve both runtime-related goals and tactical objectives.

Keywords

QoS-aware Service Selection Uncertain QoS Distributed Decision Making 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Rene Ramacher
    • 1
  • Lars Mönch
    • 1
  1. 1.Enterprise-wide Software SystemsUniverity of HagenHagenGermany

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