Introducing Control and Structure in Software Prototyping
Software prototyping is emerging as an attractive software development paradigm in which a series of executable prototypes are constructed and users are encouraged to exercise with such prototypes in a live environment in order to solicit their overall requirements. In spite of these benefits, p...
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| Main Author: | |
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| Format: | Thesis |
| Language: | English English |
| Published: |
1992
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| Online Access: | http://psasir.upm.edu.my/id/eprint/8566/1/FSAS_1992_1_A.pdf http://psasir.upm.edu.my/id/eprint/8566/ |
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| Summary: | Software prototyping is emerging as an attractive software
development paradigm in which a series of executable prototypes
are constructed and users are encouraged to exercise with such
prototypes in a live environment in order to solicit their
overall requirements. In spite of these benefits, prototyping
is not free from pitfalls. A major problem of software
prototyping is the lack of explicit guidelines to control
prototype iterations which tend to continue infinitely in a
volatile environment. The problem is further aggravated by the
unavailability of a suitable framework, within which to develop
prototype systems in a manageable and flexible manner.
Therefore, current practice of prototyping lacks in discipline.
This study is directed to address these critical issues of
prototyping. The primary goal is to develop a strategy to
control and to suggest a framework to manage software
prototyping. A scheme called 'User satisfaction Method' which
relates the degree of user satisfaction with the prototype's
capability in clarifying user requirements is developed that
provides rationale guidelines in deciding when to cease
prototype iterations. To complement this scheme, a framework
for structured prototyping, which is called 'State-Structured
Transition' model is also developed. The framework considers
each prototype 'version' as a 'state' and suggests that the
transitions from one state to another need to be performed
using structured principles.
In order to verify the applicability of such a framework
and scheme, a case study has been undertaken. The results
obtained confirm that 'User Satisfaction Scheme' can be
adopted as a surrogate to control prototyping process. The
research findings further establish that the framework of
structured prototyping ensures smooth transition from one
prototype version to another. Therefore, the 'User
Satisfaction Scheme' should be adopted in conjunction with the
framework of 'Structured Prototyping' in order to successfully
control and manage software prototyping. |
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