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In the words of Fred Brooks: "The hardest single part of building a software
system is deciding precisely what to build. No other part of the conceptual work is as
difficult as establishing the detailed technical requirements…No other part of the
work so cripples the resulting system if done wrong. No other part is as difficult to
rectify later."
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Normally requirements evolve as projects
progress. This means that the IT needs to enable subsequent change without inordinate
amounts of work. Likewise the requirements framework needs to enable changes. If the
requirements documentation cannot progress in lock step with the implementation then it
means the ability to guage the completion and deliverables associated with the
implementation will be lost. Requirements need to support extensibility and change just as
an implementation. The requirements management practices used by Digital Substrate
Technologies enable this flexibility and thus enable the requirements to be equally
applicable across the life of the implementation and provide the means for effective
management. |
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