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Construction and Execution of Adaptable Applications Using an Aspect-Oriented and Model Driven Approach

  • Sten A. Lundesgaard
  • Arnor Solberg
  • Jon Oldevik
  • Robert France
  • Jan Øyvind Aagedal
  • Frank Eliassen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4531)

Abstract

Constructing and executing distributed applications that can adapt to their current operating context, in order to maintain or enhance Quality of Service (QoS) attribute levels, are complex tasks. Managing multiple, interacting QoS features is particularly difficult since these features tend to be distributed across the system and tangled with other features. The crosscutting nature of QoS features can make them difficult to evolve, and it can make it complicated to dynamically optimize with respect to provided QoS during execution. Furthermore, it complicates efficient construction of application variants that differ in their QoS characteristics to suit various execution contexts. This paper presents an aspect-oriented and model driven approach for constructing and a QoS-aware middleware for execution of QoS-sensitive applications. Aspect-oriented modeling techniques are used to separate QoS features from primary application logic, and for efficient specification of alternative application variants. Model driven engineering techniques are used to derive run-time representations of application variants from platform independent models. The developed middleware chooses the best variant according to the current operating context and the available resources.

Keywords

Forward Error Correction Composite Service Aspect Model Model Drive Engineer Application Variant 
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

© IFIP International Federation for Information Processing 2007

Authors and Affiliations

  • Sten A. Lundesgaard
    • 1
  • Arnor Solberg
    • 2
  • Jon Oldevik
    • 2
  • Robert France
    • 3
  • Jan Øyvind Aagedal
    • 2
  • Frank Eliassen
    • 1
  1. 1.Simula Research Laboratory, Network and Distributed Systems, P.O. Box 134, N-1325 LysakerNorway
  2. 2.SINTEF, ICT, P.O. Box 124, N-0314 OsloNorway
  3. 3.Colorado State University, Fort Collins, CO-80532USA

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