What are the advantages and disadvantages of V-model?

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  • Jun 15th, 2006


advantages of v model r

1. Proactive defect tracking i.e defects r found at early stages even may be in the development phase before application is tested.

2. avoids the downward flow of the defect

3. reduces the cost for fixing the defect since defects will be found in early stages

4. it is a fast method


requires more people to work

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  • Aug 17th, 2006

Disadvantage of  V-Model :

  1. It is not proposed for short term projects as it require reviews at each stage.

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  • Apr 27th, 2008

V-Model advantages:

It is also called as verification and validation Model.
This means the verification and validation will be done side by side.
It emphasis the strict process flow to develop a quality product.
The errors occurred in any phase will be corrected in that phase itself.

V-Model disadvantages:

It needs lot of resources and money.
It needs an established process to implement.
It can be implemented by only some big companies.

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  • Oct 26th, 2015

Many companies are using V-model because we can find defects or bugs in early stages. Each and every phase has reviews and inspection. So that we can guess software process going in right path or not, all requirements covered or not, architect designed with all requirements or not like the way Project manager can inspect. So that can achieve higher success rate than water fall model. It is best suitable for medium size projects.

Disadvantages :
Less flexible.
If at all find any major defect at ending stages, to fixing that defect is difficult and expansive.
It is not suitable for long run projects and unclear requirements if having the project.

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