How is plan driven development different from agile development?

How is plan driven development different from agile development ?

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There is not a binary and mutually-exclusive distinction between “Agile” and “Waterfall” as many people seem to think.

  • Plan-driven approach starts with a plan and measure success by how well the development adheres to the plan with regards to scope, budget, and timeline.
  • An adaptive (Agile) approach emphasizes flexibility and adaptivity and more of a rolling wave planning approach to further define the plan as the project is in progress.