The spiral process proposed by Barry Boehm is known for its unique feature for risk management.
•As its name implies, the development process looks like a spiral, as shown in figure.
•Each cycle of the spiral is aimed at enhancing a certain aspect of the system under development, for example, functionality, performance, or quality.
•The system evolves incrementally as the model iterates the spiral cycles.
•Each cycle of the spiral selectively executes some of the following steps: