What are the drawbacks of the Waterfall methodology?

 Disadvantages of Waterfall model:

  • This model is not suitable for complex project.
  • Need to wait till each phase gets complete.
  • Every phase depends on the previous phase.
  • If there is defect in Requirement phase that may continue in later phases.
  • Testing will start only after coding phase.
  • Frequent changes on the requirements are not allowed.
  • Suitable for small size project.


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