Extreme Programming

  Goal of XP

* To reconcile humanity and productivity
* A software development discipline

The main aim of XP is to reduce the cost of change. In traditional system development methods (like SSADM) the requirements for the system are determined at the beginning of the development project and often fixed from that point on. This means that the cost of changing the requirements at a later stage (a common feature of software engineering projects) will be high.

XP sets out to reduce the cost of change by introducing basic values, principles and practices. By applying XP, a system development project should be more flexible with respect to changes.

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