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Although detailed information is typically scarce during a project's early phases, developers frequently need to make key decisions about trade-offs among quality requirements. Developers in many fields-including systems, hardware, and software engineering-routinely make such decisions on the basis of a shallow of the situation or on past experience, which might be irrelevant to the current a consequence, developers can get locked into what is ultimately an inferior design or pay a significant price to reverse such earlier decisions later in the process. By coarsely quantifying relevant factors, a risk-assessment model helps hardware and software engineers make trade-offs among quality requirements early in development.
Date of Publication: March-April 2008