Evolution management of extra-functional properties in component-based embedded systems

Authors:
Antonio Cicchetti;Federico Ciccozzi;Thomas Leveque;Severine Sentilles
Affiliations:
Mälardalen University, Västerås, Sweden;Mälardalen University, Västerås, Sweden;Mälardalen University, Västerås, Sweden;Mälardalen University, Västerås, Sweden
Venue:
Proceedings of the 14th international ACM Sigsoft symposium on Component based software engineering
Year:
2011

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Abstract

As software complexity increases in embedded systems domain, component-based development becomes increasingly attractive. A main challenge in this approach is however to analyze the system's extra-functional properties (such as timing properties, or resource requirements), an important step in a development of embedded systems. Analysis of such properties are computational and time consuming, and often difficult. For this reason reuse of the results of the analysis is as important as the reuse of the component itself, especially in case of modifications of the context in which the component is used. This paper presents concepts and mechanisms that allow to automatically discover whether a property value is still valid when related components evolve: a value context language is proposed to formally define the validity conditions and identify possible threats.