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A framework for adapting service-oriented applications based on functional/extra-functional requirements tradeoffs

Authors:
Raffaela Mirandola
Pasqualina Potena
Elvinia Riccobene
Patrizia Scandurra

Keywords: Service-oriented applications; software adaptation and evolution; extra-functional adaptation patterns

Abstract:
This paper introduces an adaptation framework for service-oriented applications based on trade-offs between functional and extra-functional (e.g., availability, performance, and adaptation cost) requirements. The framework relies on an optimization method for adaptation space exploration based on the combined use of meta-heuristic search techniques and of functional and extra-functional patterns (e.g., architectural design patterns and tactics). A formal service-oriented component model, called SCA-ASM, is also adopted for the specification and functional analysis of service-oriented applications. Through a sample application, we exemplify the methodology with emphasis on the use of extra-functional patterns.

Pages: 118 to 123

Copyright: Copyright (c) IARIA, 2011

Publication date: October 23, 2011

Published in: conference

ISSN: 2308-4235

ISBN: 978-1-61208-165-6

Location: Barcelona, Spain

Dates: from October 23, 2011 to October 29, 2011