Managing Software Requirements: A Unified Approach

Chapter 32. Validating the System

Key Points

• Validation is the process of confirming that the implemented system conforms to the requirements established for it.

• Acceptance testing validates the system within the customer's environment and usage scenarios.

• Quality can be achieved by testing not simply against implementation but must include testing against requirements and actual customer usage.

The IEEE (1994) defines validation as

"the process of evaluating a system or component during or at the end of the development process to determine whether it satisfies specified requirements" (IEEE 1012-1986, §2, 1994).

In other words, use validation to confirm that the implemented system conforms to the requirements we've established.

But this definition doesn't ...