|Appears in Collections:
|Computing Science and Mathematics eTheses
|Software development and continual change: A programmers attitude problem.
|Harwood, Philip Andrew
|University of Stirling
|Software fonns around a requirement. Defining this requirement is often regarded as the hardest part of software engineering. The requirement however has an additional complexity as, once defined, it will change with time. This change of requirement can come either from the user, or from the rapid advances in 'computer' technology. How then can software succeed to continue to remain 'current' both in tenns of requirements and technology in this forever changing environment? This thesis examines the issues surrounding 'change' as applied to software and software engineering. Changing requirements are often deemed a 'curse' placed upon software engineers. It has been suggested, however, that the problems associated with change exist only in the attitude of software engineers. This is perhaps understandable considering the training methods and tools available to supposedly 'help' them. The evidence shows that quality of management and experience of personnel involved in development contribute more significantly to the success of a development project than any technical aspect. This unfortunately means that the process is highly susceptible to staff turnover which, if uncontrolled, can lead to pending disaster for the users. This suggests a 'better' system would be developed if 'experience' was maintained at a process level, rather that at an individual level. Conventional methods of software engineering are based upon a defined set of requirements which are detennined at the beginning of the software process. This thesis presents an alternative paradigm which requires only a minimal set of requirements at the outset and actively encourages changes and additional requirements, even with a mature software product. The basis of this alternative approach is the fonn of the 'requirements specification' and the capturing and re-use of the 'experience' maintained by the software process itself.
|Thesis or Dissertation
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