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"Toward Accessibility Enhancement of Dependability Modeling
Techniques and Tools", Computer-Aided Design, Test and Evaluation for Dependability
Workshop, Beijing, China, July, 1996
Fast turnaround time in dependability evaluation is crucial for efficient fault-tolerant
system design and dependability of the resulting product since timely feedbacks
will allow more iterations for design modification under the constraints of project
schedule. Therefore, it is highly desirable to enable system designers to handle
and control dependability modeling processes themselves, instead of turning over
the problems to reliability/quality-assurance personnel. Although various dependability
evaluation techniques and tools have been developed in the last two decades, no
adequate attention has been paid regarding how to enable system designers with minimal
analytic background to easily employ these techniques and tools. In this paper,
we report our experiences on accessibility enhancement for off-the-shelf modeling
techniques and tools. In particular, we discuss our approaches to the development
of a user-friendly dependability-evaluation workbench which is intended to lead
the user to exploit the features and capabilities of the modeling tool SHARPE.
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