Component-Based Hazard Analysis: Optimal Designs, Product Lines, and Online-Reconfiguration (bibtex)
Reference:
Holger Giese and Matthias Tichy, "Component-Based Hazard Analysis: Optimal Designs, Product Lines, and Online-Reconfiguration", in Proc. of the 25th International Conference on Computer Safety, Security and Reliability (SAFECOMP), Gdansk, Poland, vol. 4166 of Lecture Notes in Computer Science (LNCS), pp. 156–169, Springer Verlag, September 2006.
Abstract:
Software plays an important role in the safety of todays systems and is increasingly used to create system with variants in form of product families or systems with online-reconfiguration in a cost-efficient manner. Therefore, the required hazard analysis has to consider not only a concrete system and its embedded software but also the different software configurations.We present several extensions to an existing component-based hazard analysis approach. At first, our approach permits to identify the optimal design variant w.r.t. the probabilities of the considered hazard. As the number of variants in a product family is often enormous, our approach secondly supports the hazard analysis of a whole product family at once. The analysis identifies the variant or combination of variants with the worst hazard probability. Finally, we show that also the hazards of systems with online-reconfiguration can be analyzed using the presented approach.
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