What is the need for Requirements traceability?

What is the Requirements Traceability Matrix ?

Requirements Traceability Matrix is a testing artifact that keeps track of all the user requirements and the details of the test cases mapped to each of those requirements. It serves as a documented proof that all the requirements have been accounted for and validated to achieve their end purpose.

Requirements traceability Requirements traceability is the ability to describe and follow the life of a business/technical requirement in both, forward and backward, directions (i.e., from its origins, through its development and specification, to its subsequent deployment and use, and through periods of ongoing refinement and iteration in any of these phases) – Source Wikipedia Requirements traceability provides a context to the development team and sets expectations & goals for the testing team.

Requirements tracing is bi-directional.

What is a typical Requirements traceability life cycle?

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