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Spiral Model

Spiral Model is an evolutionary software process model that couples the iterative nature of prototyping with the controlled and systematic aspects of the linear sequential model.

Spiral model that contains six task regions:



• Customer communication—tasks required to establish effective communication between developer and customer
• Planning—tasks required to define resources, timelines, and other project related information.
• Risk analysis—tasks required to assess both technical and management risks.
• Engineering—tasks required to build one or more representations of the application.
• Construction and release—tasks required to construct, test, install, and provide user support (e.g., documentation and training).
• Customer evaluation—tasks required to obtain customer feedback based on evaluation of the software.

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