Verifying and validating software requirements and design specifications

It is entirely possible that a product passes when verified but fails when validated.

This can happen when, say, a product is built as per the specifications but the specifications themselves fail to address the user's needs.

Software validation ensures that "you built the right thing".

For a new development flow or verification flow, validation procedures may involve modeling either flow and using simulations to predict faults or gaps that might lead to invalid or incomplete verification or development of a product, service, or system (or portion thereof, or set thereof).This is done through dynamic testing and other forms of review.Verification and validation are not the same thing, although they are often confused.In few days back we have seen article about “V-Model”.In the V Model Software Development Life Cycle, based on requirement specification document the development & testing activity is started.

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