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Software Engineering for Self-Adaptive Systems pp 201–222Cite as

Model-Driven Assessment of QoS-Aware Self-Adaptation

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Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 5525))

Abstract

One of the main goals of a self-adaptable software system is to meet the required Quality of Service (QoS) by autonomously modifying its structure/behavior in response to changes in the supporting infrastructure and surrounding physical environment. A key issue in the design and development of such system is the assessment of their effectiveness, both in terms of their ability to meet the required QoS under different operating conditions, and in terms of the costs involved by the reconfiguration process, which could outweigh the benefit of the reconfiguration. This paper introduces an approach to support this assessment, with a focus on performance and dependability attributes. Our approach is based on the idea of defining a model transformation chain that maps a “design oriented” model of the system to an “analysis oriented” model that lends itself to the application of a suitable analysis methodology. We identify some key concepts that should be present in the design model of a dynamically adaptable system, and show how to devise a transformation from such a model to a target analysis models, focusing in particular on models of component or service oriented systems.

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Author information

Authors and Affiliations

  1. Dipartimento di Informatica, Sistemi e Produzione, Università di Roma “Tor Vergata”, Italy

    Vincenzo Grassi & Enrico Randazzo

  2. Dipartimento di Elettronica e Informazione, Politecnico di Milano, Italy

    Raffaela Mirandola

Authors
  1. Vincenzo Grassi
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  2. Raffaela Mirandola
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  3. Enrico Randazzo
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Editor information

Editors and Affiliations

  1. Department of Computer Science and Engineering, Michigan State University, 3115 Engineering Building, MI 48824-1226, East Lansing, USA

    Betty H. C. Cheng

  2. Computing Laboratory, Canterbury, University of Kent, CT2 7NF, Kent, UK

    Rogério de Lemos

  3. Hasso Plattner Institute for Software Systems Engineering Prof.-Dr., Helmert-Str. 2-3, 14482, Potsdam, Germany

    Holger Giese

  4. Dipartimento di Informatica, Università dell’Aquila, 67100, L’Aquila, Italy

    Paola Inverardi

  5. Department of Computing, Imperial College, 180 Queen’s Gate, SW7 2BZ, London, UK

    Jeff Magee

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Grassi, V., Mirandola, R., Randazzo, E. (2009). Model-Driven Assessment of QoS-Aware Self-Adaptation. In: Cheng, B.H.C., de Lemos, R., Giese, H., Inverardi, P., Magee, J. (eds) Software Engineering for Self-Adaptive Systems. Lecture Notes in Computer Science, vol 5525. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02161-9_11

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  • DOI: https://doi.org/10.1007/978-3-642-02161-9_11

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-02160-2

  • Online ISBN: 978-3-642-02161-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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