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Using Safety Contracts to Guide the Integration of Reusable Safety Elements within ISO 26262

Fulltext:


Publication Type:

Conference/Workshop Paper

Venue:

The 21st IEEE Pacific Rim International Symposium on Dependable Computing


Abstract

Safety-critical systems usually need to comply with a domain-specific safety standard. To reduce the cost and time needed to achieve the standard compliance, reuse of safety-relevant components is not sufficient without the reuse of the accompanying artefacts. Developing reusable safety components out-of-context of a particular system is challenging, as safety is a system property, hence support is needed to capture and validate the context assumptions before integration of the reusable component and its artefacts in-context of the particular system.We have previously developed a concept of strong and weak safety contracts to facilitate systematic reuse of safety-relevant components and their accompanying artefacts. In this work we define a safety contracts development process and provide guidelines to bridge the gap between reuse of safety elements developed out-of-context of a particular system and their integration in the ISO 26262 safety standard. We use a real-world case for demonstration of the process.

Bibtex

@inproceedings{Sljivo4009,
author = {Irfan Sljivo and Barbara Gallina and Jan Carlson and Hans Hansson},
title = {Using Safety Contracts to Guide the Integration of Reusable Safety Elements within ISO 26262},
month = {November},
year = {2015},
booktitle = {The 21st IEEE Pacific Rim International Symposium on Dependable Computing},
url = {http://www.es.mdh.se/publications/4009-}
}