Software development is about building useful systems, not generating reams of documents. The V-Model helps the development team apply focus to what documents are useful and why.
The V-model offers a framework that clarifies the relationships between requirements, specifications, and testing. This paper discusses the benefits of the V-Model in a variety of differing development processes including waterfall and agile.
Now I need to finish the 1,000 word draft in order to fully submit it...