Spiral Model

Spiral Model

Phases

• Planning:
  • Estimate the cost.
  • Schedule and resources for the iteration.
  • Understand the system requirements for continuous communication between the system analyst and the customer.
• Risk Analysis:
  • Identify potential risk.
  • Plan and finalize risk mitigation strategy.
• Engineering:
  • Testing, coding, deploying software at the customer site.
• Evaluation:
  • Evaluate the software by customer.
  • Identify and monitor risks such as schedule slippage and cost overrun.