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Issue No. 04 - July/August (2001 vol. 18)
ISSN: 0740-7459
pp: 29-33
Developers sometimes use design diversity- producing two or more units, or variants, aimed at delivering the same services through separate designs and realizations-to check the dynamic behavior of their software during execution. Some say it's a waste of resources that might be better spent on the original design. This author describes a case study that analyzed work hours spent on variant design in an industrial development environment over a seven-year period. The results show that the costs did not double by developing a second variant.

K. Kanoun, "Real-World Design Diversity: A Case Study on Cost," in IEEE Software, vol. 18, no. , pp. 29-33, 2001.
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