Non-functional requirements analysis: deficiencies in structured methods |
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| Affiliation: | 1. Cranfield School of Management, Cranfield University, Bedfordshire MK43 0AL, UK;2. CSC, Computer Sciences Corporation, Spectrum Point, 279 Farnborough Road, Farnborough, Hampshire GU14 7LS, UK;1. Department of Orthopaedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China;2. Guangdong Provincial Key Laboratory of Bone and Cartilage Regenerative Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China;1. Department of Pediatrics, University of Colorado Denver, Aurora, CO;2. Department of Pediatrics, University of Utah, Salt Lake City, UT;3. Department of Emergency Medicine, University of California Davis School of Medicine, Davis, CA;4. Department of Pediatrics, University of California Davis School of Medicine, Sacramento, CA;5. Department of Emergency Medicine, Helen DeVos Children''s Hospital, Grand Rapids, MI;6. Department of Emergency Medicine, University of Rochester, Rochester, NY;7. Department of Pediatrics, Howard County Hospital, Columbia, MD;8. Department of Pediatrics, Children''s Hospital of Michigan, Detroit, MI;9. Department of Surgery, University of Maryland, Baltimore, MD;10. Department of Surgery, University of Michigan, Ann Arbor, MI;11. Department of Emergency Medicine, Children''s National Medical Center, Washington, DC;12. Department of Pediatrics, Columbia University Medical Center, New York, NY |
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| Abstract: | This paper examines some deficiencies in structured systems development methods that have the effect of overlooking non-functional requirements. Evidence from four case studies shows that non-functional requirements are often overlooked, questioning users is insufficient, methodologies do not help in the elicitation of non-functional requirements and there is a lack of consensus about the meaning and utility of non-functional requirements. Some lessons are drawn from the domain of real time systems development. Finally a framework is advanced for taking a stakeholder approach to the conflict and organisational change issues associated with the elicitation stage of requirements analysis. |
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