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In software project management, software testing, and software engineering, verification and validation (V&V) is the process of checking that a software system meets specifications and that it fulfills its intended purpose.It may also be referred to as software quality control.It is normally the responsibility of software testers as part of the software development lifecycle.
" On the other hand, software validation is: "Was X what we should have built? " Building the right product implies creating a Requirements Specification that contains the needs and goals of the stakeholders of the software product.
If such artifact is incomplete or wrong, the developers will not be able to build the product the stakeholders want.
This is a form of "artifact or specification validation".
Building the product right implies the use of the Requirements Specification as input for the next phase of the development process, the design process, the output of which is the Design Specification.
Then, it also implies the use of the Design Specification to feed the construction process.
Every time the output of a process correctly implements its input specification, the software product is one step closer to final verification.
If the output of a process is incorrect, the developers are not building the product the stakeholders want correctly.
This kind of verification is called "artifact or specification verification".
Software validation checks that the software product satisfies or fits the intended use (high-level checking), i.e., the software meets the user requirements, not as specification artifacts or as needs of those who will operate the software only; but, as the needs of all the stakeholders (such as users, operators, administrators, managers, investors, etc.).
There are two ways to perform software validation: internal and external.
During internal software validation it is assumed that the goals of the stakeholders were correctly understood and that they were expressed in the requirement artifacts precise and comprehensively.Tags: Adult Dating, affair dating, sex dating