All roads lead to Rome: Commuting strategies for product-line reliability analysis

Thiago Castro, André Lanna, Vander Alves, Leopoldo Teixeira, Sven Apel, Pierre Yves Schobbens

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Résumé

Software product line engineering is a means to systematically manage variability and commonality in software systems, enabling the automated synthesis of related programs (products) from a set of reusable assets. However, the number of products in a software product line may grow exponentially with the number of features, so it is practically infeasible to quality-check each of these products in isolation. There is a number of variability-aware approaches to product-line analysis that adapt single-product analysis techniques to cope with variability in an efficient way. Such approaches can be classified along three analysis dimensions (product-based, family-based, and feature-based), but, particularly in the context of reliability analysis, there is no theory comprising both (a) a formal specification of the three dimensions and resulting analysis strategies and (b) proof that such analyses are equivalent to one another. The lack of such a theory hinders formal reasoning on the relationship between the analysis dimensions and derived analysis techniques. We formalize seven approaches to reliability analysis of product lines, including the first instance of a feature-family-product-based analysis in the literature. We prove the formalized analysis strategies to be sound with respect to the probabilistic approach to reliability analysis of a single product. Furthermore, we present a commuting diagram of intermediate analysis steps, which relates different strategies and enables the reuse of soundness proofs between them.

langue originaleAnglais
Pages (de - à)116-160
Nombre de pages45
journalScience of Computer Programming
Volume152
Les DOIs
Etat de la publicationPublié - 15 janv. 2018

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