NDLI: ARRL: A criterion for compositional safety and systems engineering: A normative approach to specifying components

Content Provider	IEEE Xplore Digital Library
Author	Verhulst, E. Sputh, B.H.C.
Copyright Year	2013
Description	Author affiliation: Altreonic NV, Linden, Belgium (Verhulst, E.; Sputh, B.H.C.)
Abstract	Safety engineering standards define rigorous and controllable processes for system development. Nevertheless, safety standards differences from distinct domains are non-negligible. We focus in particular on the aviation, automotive and railway standards, all related to the transportation market. We argue that the Safety Integrity Levels are not sufficient to be used as a top level requirement for developing a safety critical system. We argue that Quality of Service is a more generic criterion that takes the trustworthiness as perceived by users into deeper account. In addition safety engineering standards provide very little guidance on how to compose safe systems from components, while this is the established engineering practice. We develop a novel normative concept called Assured Reliability and Resilience Level as a criterion that takes the industrial practice into account and show how it complements the Safety Integrity Level concept. An important difference is that it requires a component to carry a contract and the supporting evidence. ARRL can make a significant contribution to foster cross-domain safety engineering.
Starting Page	37
Ending Page	44
File Size	533448
Page Count	8
File Format	PDF
ISBN	9781479925520
DOI	10.1109/ISSREW.2013.6688861
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Compositional safety Trustworthiness Quality of service Standards Quality of Service Automotive engineering Vehicles Safety engineering Safety Integrity Level Assured Reliability and Assurance Level Rail transportation Safety Reliability
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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