The V-model represents a software development process (also applicable to hardware development) which may be considered an extension of the waterfall model. Instead of moving down in a linear way, the process steps are bent upwards after the coding phase, to form the typical V shape. The V-Model demonstrates the relationship between each phase of the development life cycle and its associated phase of testing. The horizontal and vertical axes represents time or project completeness (left-to-right) and level of abstraction (coarsest-grain abstraction uppermost), respectively. This model depends on verification and validation phase Software Testing is the most important phase of the Software Development Life Cycle. On most software projects testing activities consume at least 30 percent of the project effort. On safety critical applications, software testing can consume between 50 to 80percent of project effort. Software testing is essential to ensure software quality. Schedule is always running tight during the software system development, thereafter reducing efforts of performing software testing management. In such a situation, improving software quality becomes an impossible mission It is our belief that software industry needs new approaches to promote software testing management. The article discussed the model that already existed, further excavates the parallelism between test stages and maintenance test stages and tries to propose a improved V model. This model makes the software testing pass through the each stage of software development cycle

Author Name: Ravi Shanker Yadav

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Keywords: Acceptance, accuracy, compiling, debugging, model checking, performance, program validation, reliability, security, testing,IJSER

ISSN: 22295518

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