NDLI: Reliability modeling of the MARS system: a case study in the use of different tools and techniques

Content Provider	IEEE Xplore Digital Library
Author	Kantz, H. Trivedi, K.
Copyright Year	1991
Description	Author affiliation: Inst. fur Tech. Inf., Tech Univ., Wien, Austria (Kantz, H.)
Abstract	Analytical reliability modeling is a promising method for predicting the reliability of different architectural variants and to perform trade-off studies at design time. However, generating a computationally tractable analytic model implies in general an abstraction and idealization of the real system. Construction of such a tractable model is not an exact science, and as such, it depends on the modeler's intuition and experience. This freedom can be used in formulating the same problem by more than one approach. Such a N-version modeling approach increases the confidence in the results. In this paper, we analyze the MARS architecture with the dependability evaluation tools SHARPE and SPNP, employing several different techniques including: hierarchical modeling, stochastic Petri nets, folding of stochastic Petri nets, and state truncation. The authors critically examine these techniques for their practicability in modeling complex fault-tolerant computer architectures.
Starting Page	268
Ending Page	277
File Size	720210
Page Count	10
File Format	PDF
ISBN	0818622857
DOI	10.1109/PNPM.1991.238793
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1991-12-02
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mars Computer aided software engineering Stochastic processes Petri nets Power system modeling Performance analysis Analytical models Computer architecture Fault tolerance Fault tolerant systems
Content Type	Text
Resource Type	Article

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