why need process model??

To solve the real problems in an industry setting, a software engineer or a team of engineers, a development strategy that involves the process, methods of take, and tools layer described in Section 2.1 0.1 and the generic phases Section 2.1.2. This approach is often referred to as a process model or a software engineering paradigm. A process model for software engineering are selected based on the nature of the project and apply the techniques and tools used and the controls and deliverables required. In an intriguing paper on the nature of software processes, LBS Raccoon [RAC95] used fractals as the basis for a discussion of the true nature of software processes