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Verification and Validation (V&V)- a software testing approach

Verification:

It focuses on PROCESS related activities to ensure that the Products and deliverables meet a specific requirement before the final testing.

Can be done through:

A. Technical review

B. Business review

C. Management review

Simply: Are we building the product in the right way? that is, does the software conform to its specification

verification is the process of checking that the software meets the specification.

 Verification is an example of QA

Validation:

It focuses on PRODUCT related activities, that attempt to determine if the system or project deliverables meet the customer or client's expectations.

Will be done by: Testing.

Simply: Did we build the right product? that is, is the software doing what the user really requires.

Validation is the process of checking whether the specification captures the customer's needs.

 According to the Capability Maturity Model(CMMI-SW v1.1) we can also define validation as The process of evaluating software during or at the end of the development process to determine whether it satisfies specified requirements. [IEEE-STD-610].

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