Requirements Traceability Matrix
Ideally, the software must completely satisfy the set of requirements. From design, each requirement must be addressed in every single document in the software process. The documents include the HLD, LLD, source codes, unit test cases, integration test cases and the system test cases. In a requirements traceability matrix, the rows will have the requirements. The columns represent each document. Intersecting cells are marked when a document addresses a particular requirement with information related to the requirement ID in the document. Ideally, if every requirement is addressed in every single document, all the individual cells have valid section ids or names filled in. Then we know that every requirement is addressed. If any cells are empty, it represents that a requirement has not been correctly addressed.
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