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Towards a taxonomy of technical debt for COTS-intensive cyber physical systems
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2019 (English)In: 17th Annual Conference on Systems Engineering Research (CSER), Elsevier, 2019, Vol. 153, p. 108-117Conference paper, Published paper (Refereed)
Abstract [en]

Most existing studies addressing COTS obsolescence issues in Cyber-Physical Systems (CPSs) have strong emphasis on the sustainment phases. We have identified a gap on methods, processes, and tools for effective COTS risk analysis in the early systems acquisition phases. To fill the gap, this study proposes a taxonomy of COTS-related technical debt in order to support early identification, communication, and assessment of obsolescence risks in CPS system engineering life cycles. The taxonomy contributes to the identification of seven key types of COTS technical debt according to systematic signs discoverable during early COTS activities, which may contribute to obsolescence in later phases. These seven types of COTS technical debt include COTS functionality mismatch, performance mismatch, interoperability difficulty, versioning frequency, documentation and support readiness, and limitation on system evolution. It is expected that such notions will help to increase the efficiency of COTS-based CPS development, readiness, and sustainment, through more informed COTS decision-making to avoid expensive and unaffordable obsolescence issues in the envisioned systems sustainment phases.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 153, p. 108-117
Series
Procedia Computer Science, ISSN 1877-0509 ; 153
Keywords [en]
acquisition, commercial off-the-shelf (COTS), cyber physical system, metrics, obsolescence, technical debt
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:kth:diva-266084DOI: 10.1016/j.procs.2019.05.061Scopus ID: 2-s2.0-85074996175OAI: oai:DiVA.org:kth-266084DiVA, id: diva2:1381139
Conference
17th Annual Conference on Systems Engineering Research, CSER 2019; The National Press Club, Washington; United States; 3 April 2018 through 4 April 2018
Note

QC 20191220

Available from: 2019-12-20 Created: 2019-12-20 Last updated: 2019-12-20Bibliographically approved

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Törngren, Martin

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