Appendix B. Agile concepts from a phase perspective
Many people learn software development from a phase perspective, performing each phase in a series. Common phases are analysis, requirements, design, development, testing, and delivery. Agile software development isn't performed in a series, but it can be modeled in a serial fashion to make it easier to envision the process.
Overview of the phases
Let's begin with a quick overview of the phases. Figure 1 shows all the phases and their relationship to each other.
At first glance, the diagram resembles a waterfall development process. In reality, it's a diagram of an agile process. The gates help define the phases and also act as circuit breakers for the project, supporting risk management in every ...
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