A Study on Constructing Reliable Software Architecture

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Architectural design plays an important role in developing reliable software systems. However, it is not easy to design a consistent architecture having an appropriate abstraction level and implement a program faithful to the design. To deal with this problem, we propose the notion of fluid design abstraction, a design approach in which an appropriate abstraction level can be captured by the convergence of fluid moving between design and implementation. To support fluid design abstraction, we provide the followings: 1) an architectural interface mechanism for specifying abstraction, 2) metrics for measuring an abstraction level, and 3) abstraction-aware traceability check between design and code.