Component-Based Hazard Analysis: Optimal Designs, Product Lines, and Online-Reconfiguration (bibtex)
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.
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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