NDLI: Automatic synthesis of dynamic fault trees from UML system models

Content Provider	IEEE Xplore Digital Library
Author	Pai, G.J. Dugan, J.B.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Virginia Univ., Charlottesville, VA, USA (Pai, G.J.; Dugan, J.B.)
Abstract	The reliability of a computer-based system may be as important as its performance and its correctness of computation. It is worthwhile to estimate system reliability at the conceptual design stage, since reliability can influence the subsequent design decisions and may often be pivotal for making trade-offs or in establishing system cost. In this paper we describe a framework for modeling computer-based systems, based on the Unified Modeling Language (UML), that facilitates automated dependability analysis during design. An algorithm to automatically synthesize dynamic fault trees (DFTs) from the UML system model is developed. We succeed both in embedding information needed for reliability analysis within the system model and in generating the DFT Thereafter, we evaluate our approach using examples of real systems. We analytically compute system unreliability from the algorithmically developed DFT and we compare our results with the analytical solution of manually developed DFTs. Our solutions produce the same results as manually generated DFTs.
Sponsorship	IEEE Comput. Soc. Tech. Committee on Software Eng. IEEE Reliabiltiy Soc. IBM Microsoft Res. Cigital
Starting Page	243
Ending Page	254
File Size	446114
Page Count	12
File Format	PDF
ISBN	0769517633
ISSN	10719458
DOI	10.1109/ISSRE.2002.1173261
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault trees Unified modeling language Object oriented modeling Power system modeling Information analysis Redundancy Reliability Algorithm design and analysis System analysis and design Architecture description languages
Content Type	Text
Resource Type	Article

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