Iterative & incremental development

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Iterative and incremental development involves repeating a set of activities (cyclic), evaluating output and incrementing. Output of an increment may not necessarily result in an increment. Iteration will help to improve the process. Once the process is improved as expected, an increment is done. Iterative & incremental development helps to determine flaws in the system.

Procedure begins with initial planning of requirements, followed by Analysis and Design, Implementation, Testing, evaluation and deployment. A project control list is used for iteration process which describes all the tasks. This list is revised constantly on analysis. If the outcome of any task is not satisfactory, redesign or reimplementation is done else an increment is done. The cycle should easily be adaptable to modifications. As the iterations increase the system can adapt modifications easily.