Requirements tracing to support change in dynamically adaptive systems

Kristopher Welsh, Peter Sawyer

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

[Context and motivation] All systems are susceptible to the need for change, with the desire to operate in changeable environments driving the need for software adaptation. A Dynamically Adaptive System (DAS) adjusts its behaviour autonomously at runtime in order to accommodate changes in its operating environment, which are anticipated in the system?s requirements specification. [Question/Problem] In this paper, we argue that Dynamic Adaptive Systems? requirements specifications are more susceptible to change than those of traditional static systems. We propose an extension to i* strategic rationale models to aid in changing a DAS. [Principal Ideas/Results] By selecting some of the types of tracing proposed for the most complex systems and supporting them for DAS modelling, it becomes possible to handle change to a DAS? requirements efficiently, whilst still allowing artefacts to be stored in a Requirements Management tool to mitigate additional complexity. [Contribution] The paper identifies different classes of change that a DAS? requirements may be subjected to, and illustrates with a case study how additional tracing information can support the making of each class of change.
Original languageEnglish
Title of host publicationRequirements Engineering: Foundation for Software Quality
PublisherSpringer
Pages59-73
Number of pages15
ISBN (Print)9783642020490
DOIs
Publication statusPublished - 2009

Publication series

NameLecture Notes in Computer Science
PublisherSpringer
Volume5512
ISSN (Print)0302-9743

Fingerprint

Adaptive systems
Specifications
Large scale systems

Cite this

Welsh, K., & Sawyer, P. (2009). Requirements tracing to support change in dynamically adaptive systems. In Requirements Engineering: Foundation for Software Quality (pp. 59-73). (Lecture Notes in Computer Science; Vol. 5512). Springer. https://doi.org/10.1007/978-3-642-02050-6_6
Welsh, Kristopher ; Sawyer, Peter. / Requirements tracing to support change in dynamically adaptive systems. Requirements Engineering: Foundation for Software Quality. Springer, 2009. pp. 59-73 (Lecture Notes in Computer Science).
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Welsh, K & Sawyer, P 2009, Requirements tracing to support change in dynamically adaptive systems. in Requirements Engineering: Foundation for Software Quality. Lecture Notes in Computer Science, vol. 5512, Springer, pp. 59-73. https://doi.org/10.1007/978-3-642-02050-6_6

Requirements tracing to support change in dynamically adaptive systems. / Welsh, Kristopher; Sawyer, Peter.

Requirements Engineering: Foundation for Software Quality. Springer, 2009. p. 59-73 (Lecture Notes in Computer Science; Vol. 5512).

Research output: Chapter in Book/Report/Conference proceedingChapter

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AB - [Context and motivation] All systems are susceptible to the need for change, with the desire to operate in changeable environments driving the need for software adaptation. A Dynamically Adaptive System (DAS) adjusts its behaviour autonomously at runtime in order to accommodate changes in its operating environment, which are anticipated in the system?s requirements specification. [Question/Problem] In this paper, we argue that Dynamic Adaptive Systems? requirements specifications are more susceptible to change than those of traditional static systems. We propose an extension to i* strategic rationale models to aid in changing a DAS. [Principal Ideas/Results] By selecting some of the types of tracing proposed for the most complex systems and supporting them for DAS modelling, it becomes possible to handle change to a DAS? requirements efficiently, whilst still allowing artefacts to be stored in a Requirements Management tool to mitigate additional complexity. [Contribution] The paper identifies different classes of change that a DAS? requirements may be subjected to, and illustrates with a case study how additional tracing information can support the making of each class of change.

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Welsh K, Sawyer P. Requirements tracing to support change in dynamically adaptive systems. In Requirements Engineering: Foundation for Software Quality. Springer. 2009. p. 59-73. (Lecture Notes in Computer Science). https://doi.org/10.1007/978-3-642-02050-6_6