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Spiral life cycle model
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Spiral lifecycle model
The model
• How does the spiral start?
• How is it concluded when it is appropriate to end early?
• Why does it end so abruptly?
• What happens with the maintenance?
Conclusion
Advantages & disadvantages
Introduction
The model
The spiral model for software engineering is the present’s most realistic model for big scale software and systems development.
The spiral model is a risk oriented lifecycle model that divides a software project in smaller projects.
Whenever the hypothesis fails, the spiral ends.
One of its main advantages is that while costs go up, risks go down.
The only disadvantage that this model presents is that it requires a thorough management and solid knowledge.