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An Autonomic Middleware Solution for Coordinating Multiple QoS Controls

  • Yan Liu
  • Min’an Tan
  • Ian Gorton
  • Andrew John Clayphan
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5364)

Abstract

Adaptive self-managing applications can adapt their behavior through components that monitor the application behavior and provide feedback controls. This paper outlines an autonomic approach to coordinate multiple controls for managing service quality using executable control models. In this approach, controls are modeled as process models. Moreover, controls with cross-cutting concerns are provisioned by a dedicated process model. The flexibility of this approach allows composing new controls from existing control components. The coordination of their dependencies is performed within a unified architecture framework for modeling, deploying and executing these models. We integrate the process modeling and execution techniques into a middleware architecture to deliver such features. To demonstrate the practical utilization of this approach, we employ it to manage fail-over and over-loading controls for a service oriented loan brokering application. The empirical results further validate that this solution is not only sensitive to resolving cross-cutting interests of multiple controls, but also lightweight as it incurs low computational overhead.

Keywords

Process Engine Business Logic Business Process Modeling Autonomic Computing Multiple Control 
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 2008

Authors and Affiliations

  • Yan Liu
    • 1
  • Min’an Tan
    • 2
  • Ian Gorton
    • 3
  • Andrew John Clayphan
    • 2
  1. 1.National ICT Australia, NSWAustralia
  2. 2.University of New South WalesAustralia
  3. 3.Pacific Northwest National LaboratoryU.S.A.

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