Rapid application development

As a result, knowledge gained from the development process itself can feed back to the requirements and design of the solution.

[1] Plan-driven approaches attempt to rigidly define the requirements, the solution, and the plan to implement it, and have a process that discourages changes.

Boehm and other subsequent RAD approaches emphasized developing prototypes as well as or instead of rigorous design specifications.

These practitioners, and those like them, helped RAD gain popularity as an alternative to traditional systems project life cycle approaches.

The rapid prototyping approach of RAD was a key tool to help users and analysts "think out of the box" about innovative ways that technology might radically reinvent a core business process.

Successful projects that included ANZ Bank, Lend Lease, BHP, Coca-Cola Amatil, Alcan, Hong Kong Jockey Club and numerous others.