Evolutionary prototyping model

Evolutionary prototyping model is a software development lifecycle model in which software prototype created for demonstration and requirements elaboration. Evolutionary prototyping model includes the four main phases:
  • Definition the basic requirements
  • Creating the working prototype
  • Verification of the working prototype
  • Changing or elaboration the requirements

  • Evolutionary prototyping model allows create working software prototypes fast and may be applicable to projects where:
  • System requirements early are not known in advance
  • Creating fundamentally new software
  • Developers are not confident in software architecture and algorithms

  • Advantages
    • The model can be used when the requirements cannot or will not be specified.
    • The user can experiment with the system to improve the requirements.
    • Use of the method is exploratory in nature and therefore constitutes a high-risk endeavor. Strong management is required.
    • This method is used as an excuse for hacking to avoid documenting the requirements or design, even if they are well understood.
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