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논문 기본 정보

자료유형
학술저널
저자정보
김응성 (경기과학기술대학교) 김진홍 (배재대학교) 김정식 (경기과학기술대학교)
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한국지식정보기술학회 한국지식정보기술학회 논문지 한국지식정보기술학회 논문지 제16권 제4호
발행연도
2021.8
수록면
685 - 692 (8page)

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A good architectural design allows to capture the overall complexity of large, distributed systems at a higher level of abstraction. This is especially important for reconfigurable systems where the architectural configuration is subject to changes at runtime. When designing such a dynamic architecture, the software architect has to bring the functional business requirements and the available communication and reconfiguration mechanisms of the intended target platform in line. As it is a complex task to incorporate these often diverging requirements into the architectural model, we propose a stepwise approach similar to the MDA initiative. We start with a platform-independent model capturing the business requirements and add platform-specific details in a later step. For each level of platform abstraction and associated platform, we define an architectural style which describes the characteristics of the platform. This way, conformance to the architectural style entails consistency between model and the underlying platform. Besides run-time configurations of components and connections, architectural models also comprise the description of processes that control the communication and reconfiguration behavior. To provide operational semantics, we formalize architectural models as graphs and architectural styles as graph transformation systems. Due to the stepwise procedure, we also have to ensure the mutual consistency between models at different levels of abstraction. For this purpose, we define formal refinement criteria which require that both structural and behavioral properties are preserved at the lower level of abstraction.

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