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Practitioners' Perspectives on Change Impact Analysis for Safety-Critical Software: A Preliminary Analysis
SICS Swedish ICT AB, SWE.
Univ Carlos III Madrid, ESP.
Blekinge Institute of Technology, Faculty of Computing, Department of Software Engineering.
2016 (English)In: COMPUTER SAFETY, RELIABILITY, AND SECURITY, SAFECOMP 2016, 2016, p. 346-358Conference paper, Published paper (Refereed)
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 h 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.

Place, publisher, year, edition, pages
2016. p. 346-358
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 9923
Keywords [en]
Change impact analysis, Safety-critical systems, Case study research
National Category
Software Engineering
Identifiers
URN: urn:nbn:se:bth-13556DOI: 10.1007/978-3-319-45480-1_28ISI: 000387734000031ISBN: 978-3-319-45479-5 (print)OAI: oai:DiVA.org:bth-13556DiVA, id: diva2:1054852
Conference
SAFECOMP Conference, SEP 20-23, 2016, Trondheim, NORWAY
Available from: 2016-12-09 Created: 2016-12-09 Last updated: 2018-01-13Bibliographically approved

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Wnuk, Krzysztof

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf