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requirements analysis
subject			fact

requirements analysis	has definition The process of deciding on the requirements of a software system
	determines the responsibilities of a system
	has risk misunderstanding and lack of understanding of the domain or the real problem Requirements can change rapidly, resulting in requirements 'churn' attempting to do too much which occurs when inadequate boundaries have been placed on the problem or the solution, or when those boundaries are not respected It may be hard to reconcile conflicting sets of requirements It is hard to state requirements precisely
	has typical mistake over-constraint
	has part modelling
	has part use case analysis
	includes defining the problem to be solved and what software will be created to solve it
	is a subtopic of 4.6 - Some Techniques for Gathering and Analyzing Requirements
	is part of requirements and specification
	is performed after domain analysis
	is a kind of analysis
	never stops
	should continue throughout the life of a software system
process	see also process^2