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1 TRISKELL - Reliable and efficient component based software engineering IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, Inria Rennes – Bretagne Atlantique 2 VALORIA - Laboratoire de Recherche en Informatique et ses Applications de Vannes et Lorient

Abstract : Modeling self-adaptive applications is a difficult task due to the complex relationships they have with their environments. Designers of such applications strive to model accurately a few re-configuration possibilities deemed to be the most relevant with respect to environmental changes. This deliberate restriction of the variability space is cumbersome and may unnecessarily reject interesting re-configuration possibilities. We employ software product-line techniques to properly cover the whole variability space of a self-adaptive application. This variability space is partitioned across three dimensions. Functional variability is modeled through a feature diagram whose features are realized by a set of components to be deployed on a platform. Topological variability is modeled via an UML collaboration excluding irrelevant configurations. Platform variability is modeled through constraints to be satisfied by configurations. For each dimension, we exhibit properties capturing the environment. Our modeling approach is illustrated on a web-server example.

Autor: Gilles Perrouin - Franck Chauvel - Julien Deantoni - Jean-Marc Jézéquel -



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