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Spiral Model

Spiral Model

  • It is an iterative model, which consists of "risk analysis" phase where a detailed study would be conducted by the "domain" and "technology" experts, in analyzing the risk in implementing the software.
  • Risk analysis can be done only after the complete requirements are collected and documented.
  • Risk analysis phase will decide whether to continue with further implementations or not.

Advantages of Spiral Model

  • It supports huge complex and mission Critical projects, in which domain and 
  • Technical implementations are very complex
  • It supports dynamic requirements.

Disadvantages of Spiral Model

  • It is a very huge time consuming and expensive process.
  • The success rate of the project is completely dependent on the risk analysis phase.
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