Here is probably the shortest available definition: The V-Modell can be described as a derivative of the Waterfall-method; with a major difference: The V-Model requires, that the tests are specified during the development of the architecture, during the design of the software. It's most common in German-speaking countries.
Author
Sebastian Zang
Sebastian Zang has cultivated a distinguished career in the IT industry, leading a wide range of software initiatives with a strong emphasis on automation and corporate growth. In his current role as Vice President Partners & Alliances at Beta Systems Software AG, he draws on his extensive expertise to spearhead global technological innovation. A graduate of Universität Passau, Sebastian brings a wealth of international experience, having worked across diverse markets and industries. In addition to his technical acumen, he is widely recognized for his thought leadership in areas such as automation, artificial intelligence, and business strategy.