Root cause analyses (main principle for Defect prevention)

How does a defect prevention mechanism work? The answer is in a defect prevention cycle (Figure 2). The integral part of the defect prevention process begins with requirement analysis – translating the customer requirements into product specifications without introducing additional errors. Software architecture is designed, code review and testing are done to find out the defects, followed by defect logging and documentation.

defect

The blocks and processes in the gray-colored block represent the handling of defects within the existing philosophy of most of the software industry – defect detection, tracking/documenting and analysis of defects for arriving at quick, short-term solutions.

The processes that form the integral part of the defect prevention methodology are on the white background. The vital process of the defect prevention methodology is to analyze defects to get their root causes, to determine a quick solution and preventive action. These preventive measures, after consent and commitments from team members, are embedded into the organization as a baseline for future projects. The methodology is aimed at providing the organization a long-term solution and the maturity to learn from mistakes.

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