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Indicator-based inspections: A risk-oriented quality assurance approach for dependable systems

: Elberzhager, Frank; Eschbach, Robert; Kloos, Johannes

Kaiserslautern, 2010, VII, 16 pp.
IESE-Report, 005.10/E
Reportnr.: 005.10/E
Fraunhofer IESE ()
quality assurance; inspection; non-functional requirement; dependability; VIERforES; goal indicator tree

We are surrounded by ever more dependable systems, such us driving assistance systems from the automotive domain or life-supporting systems from the medical domain. Due to their increasing complexity, not only the development of but also the quality assurance for such systems are becoming increasingly difficult. They may cause various degrees of harm to their environment. Hence, in order to reduce risks associated with these systems, development as well as quality assurance normally use risk analysis as a basis for constructive and analytical measures against these risks. One of the aims of quality assurance is fault detection and fault forecasting. In this paper, the authors present indicator-based inspections using Goal Indicator Trees, a novel risk-oriented quality assurance approach for fault detection. It can be used to detect faults of different types, like safety faults or security faults. Starting from typical risk analysis results like FMECA and FTA, the approachsystematically derives quality goals and refines these goals into concrete quality indicators that guide the indicator-based inspection. Quality indicators can be mapped to concrete checklists and concrete inspection goals in order to support inspectors checking artifacts in a fine-grained way with respect to certain quality properties. The approach is explained and demonstrated with respect to the quality property safety, but tends to be generalizable to further quality properties.