Validation and derived requirements are intimately related: the purpose of validation is to show that derived requirements are correct and complete, and the purpose of identifying derived requirements is to identify which requirements must be validated. Thus a discussion of either topic must by necessity discuss the other, since neither can exist in isolation.
The DO-254 definition of a derived requirement can be paraphrased as a requirement that is created as the result of the hardware design process. This definition is somewhat ambiguous, which often leads to confusion and questions: How does the design process create derived requirements? What are the characteristics of derived requirements? How are derived ...
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