Advantages & Disadvantages of the Spiral Model

11 Mar

Advantages of Spiral model:

  • High amount of risk analysis hence, avoidance of Risk is enhanced.
  • Good for large and mission-critical projects.
  • Strong approval and documentation control.
  • Additional Functionality can be added at a later date.
  • Software is produced early in the software life cycle. 

Disadvantages of Spiral model:

  • Can be a costly model to use.
  • Risk analysis requires highly specific expertise.
  • Project’s success is highly dependent on the risk analysis phase.
  • Doesn’t work well for smaller projects.

 When to use Spiral model:

  • When costs and risk evaluation is important
  • For medium to high-risk projects
  • Long-term project commitment unwise because of potential changes to economic priorities
  • Users are unsure of their needs
  • Requirements are complex
  • New product line
  • Significant changes are expected (research and exploration)

 

Source:

http://istqbexamcertification.com

4 Responses to “Advantages & Disadvantages of the Spiral Model”

  1. sad112759089 March 11, 2013 at 12:14 pm #

    Good clear concise points made!

    • sad111373846 March 11, 2013 at 1:36 pm #

      Thanks, I hope this helps you in your study for the exam

  2. sad111708665 March 11, 2013 at 1:36 pm #

    A very strong post! Good luck with your project 😄😄

  3. sad112540853 March 13, 2013 at 7:59 pm #

    brilliant blog, easy to read and understand😀

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