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A user-friendly dependability evaluation tool

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4 Author(s)
Hecht, H. ; SoHaR Incorp., Beverly Hills, CA, USA ; Tai, A.T. ; Trivedi, K.S. ; Chruscicki, A.J.

In order to permit users with little analytic background to evaluate dependability, modeling tools require a user-friendly front end. With this motivation, we have developed a software tool referred to as SDDS for “Software Dependability for Distributed Systems.” In particular, we have designed and implemented a graphical user interface (GUI) based on a “user-language”-basic building blocks representing system components and/or subsystems. Therefore, the user can specify his/her dependability model at a high level. SDDS then translates the high-level specification into a representation that can be automatically solved by the underlying modeling engines SHARPE or SPNP (both from Trivedi, a Professor at Duke University). The translation and solution processes are transparent to the user. We first illustrate the design of SDDS. We then describe, from a software engineering perspective, how SDDS can be utilized effectively for evaluation and improvement of system design

Published in:

Aerospace and Electronics Conference, 1996. NAECON 1996., Proceedings of the IEEE 1996 National  (Volume:2 )

Date of Conference:

20-23 May 1996

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