A Multimodeling Approach for Quality-Driven Architecture Derivation
Product architecture derivation is a crucial activity in software product line (SPL) development since an inadequate decision during the architecture design directly impacts the quality of the product under development. Although some methods for architect
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bstract Product architecture derivation is a crucial activity in software product line (SPL) development since an inadequate decision during the architecture design directly impacts the quality of the product under development. Although some methods for architecture derivation have been proposed in the last few years, there is still a need for approaches that model the impact among architectural design decisions and quality attributes and use this information to drive the derivation of high- quality product architectures. In this paper, we present an approach for integrating quality attributes in early stages of the SPL lifecycle. The approach is based on a multimodel that explicitly represents the product line from multiple viewpoints (e.g., variability, functional, and quality) and the relationships among them, as well as on a derivation process that makes use of this multimodel to derive a product architecture with the required quality attributes from the product line architecture. The feasibility of the approach is illustrated using a case study on the automotive domain.
1 Introduction A software product line (SPL) is a set of software-intensive systems that share a common, managed set of features developed from a common set of core assets in a prescribed way [7]. Software product line engineering (SPLE) aims to develop E. Insfran (*) • S. Abrahão • J. González-Huerta • I. Ramos ISSI Research Group, Universitat Politècnica de València, Camino de Vera s/n, Valencia, Spain e-mail: [email protected]; [email protected]; [email protected]; [email protected] J.D. McGregor Department of Computer Science, Clemson University, 312 McAdams Hall, Clemson, SC, USA e-mail: [email protected] H. Linger et al. (eds.), Building Sustainable Information Systems: Proceedings 205 of the 2012 International Conference on Information Systems Development, DOI 10.1007/978-1-4614-7540-8_16, © Springer Science+Business Media New York 2013
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these systems by taking advantage of the massive reuse of core assets in order to improve time to market and product quality. Software product line development has characteristics, which distinguish it from the development of individual products. In SPL development there is a product line architecture, which includes the variations needed to cover the different products, and the product architectures, which are instances of the product line architecture achieved by exercising variation mechanisms. However, in those cases where levels of quality attributes that fall outside the original specification of the product line are needed (and cannot be achieved by the product line variation mechanisms), some architectural transformations may be applied when deriving a product architecture to ensure that these levels of quality attributes are met [3]. Although several methods for architecture derivation using multiples viewpoints have been proposed in the last few years (e.g., [2, 4, 9, 16]), there is still a need for approaches that model the impact among architectural
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