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Discovering Architectures from Running Systems

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5 Author(s)
Schmerl, B. ; Sch. of Comput. Sci., Carnegie Mellon Univ., Pittsburgh, PA ; Aldrich, J. ; Garlan, D. ; Kazman, R.
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One of the challenging problems for software developers is guaranteeing that a system as built is consistent with its architectural design. In this paper, we describe a technique that uses runtime observations about an executing system to construct an architectural view of the system. In this technique, we develop mappings that exploit regularities in system implementation and architectural style. These mappings describe how low-level system events can be interpreted as more abstract architectural operations and are formally defined using colored Petri nets. In this paper, we describe a system, called DiscoTect, that uses these mappings and we introduce the DiscoSTEP mapping language and its formal definition. Two case studies showing the application of DiscoTect suggest that the tool is practical to apply to legacy systems and can dynamically verify conformance to a preexisting architectural specification

Published in:

Software Engineering, IEEE Transactions on  (Volume:32 ,  Issue: 7 )

Date of Publication:

July 2006

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