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evolutionary project
subject			fact

evolutionary project	has definition A software project to modify an existing system
	involves modifying an existing system
	is more common than green field project
	is a subtopic of 1.6 - Software Engineering Projects
	is a kind of software project
software project	does not have economy of scale as it gets larger due to the increasingly large amount of co-ordination involved
	is often completed behind schedule and over budget, or are not completed at all
	often has problem failure to stick to cost and time because of the inherent complexity of software, the relative immaturity of software engineering and its technologies, lack of knowledge and experience on the part of software engineers, the inherent human tendency towards over-confidence, , and pressure to offer excessively low prices and short development times in order to obtain contracts or make sales
	should not be undertaken without a sound domain analysis

Kinds of evolutionary project :

• adaptive project (3 facts)
• corrective project (3 facts)
• enhancement project (3 facts)
• reengineering project (3 facts)