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Practitioners' Perspectives on Change Impact Analysis for Safety-Critical Software - A Preliminary Analysis
RISE., Swedish ICT, SICS, Security Lab.ORCID-id: 0000-0001-7879-4371
Carlos III University of Madrid, Spain.
Blekinge Institute of Technology, Sweden.
2016 (engelsk)Inngår i: Computer Safety, Reliability, and Security: SAFECOMP 2016 Workshops / [ed] Amund Skavhaug, Jérémie Guiochet, Erwin Schoitsch, Friedemann Bitsch, 2016, 11, Vol. 9923, s. 346-358Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Safety standards prescribe change impact analysis (CIA) during evolution of safety-critical software systems. Although CIA is a fundamental activity, there is a lack of empirical studies about how it is performed in practice. We present a case study on CIA in the context of an evolving automation system, based on 14 interviews in Sweden and India. Our analysis suggests that engineers on average spend 50-100 hours on CIA per year, but the effort varies considerably with the phases of projects. Also, the respondents presented different connotations to CIA and perceived the importance of CIA differently. We report the most pressing CIA challenges, and several ideas on how to support future CIA. However, we show that measuring the effect of such improvement solutions is non-trivial, as CIA is intertwined with other development activities. While this paper only reports preliminary results, our work contributes empirical insights into practical CIA.

sted, utgiver, år, opplag, sider
2016, 11. Vol. 9923, s. 346-358
Serie
Lecture Notes in Computer Science (LNCS), ISSN 0302-9743 ; 9923
Emneord [en]
change impact analysis, safety-critical systems, case study research
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-24554DOI: 10.1007/978-3-319-45480-1_28Scopus ID: 2-s2.0-84988421903ISBN: 978-3-319-45479-5 (tryckt)ISBN: 978-3-319-45480-1 (digital)OAI: oai:DiVA.org:ri-24554DiVA, id: diva2:1043639
Konferanse
5th International Workshop on Next Generation of System Assurance Approaches for Safety-Critical Systems (SASSUR 2016), September 20-23, 2016, Trondheim, Norway
Prosjekter
ORIONTilgjengelig fra: 2016-10-31 Laget: 2016-10-31 Sist oppdatert: 2020-01-31bibliografisk kontrollert

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