![]() ![]() On the one hand, project phases in software development are rarely clearly defined. The benefit of the waterfall model for practical use, however, is controversial. In theory, the waterfall model should create the prerequisites for a fast and cost-effective implementation of projects through careful planning in advance. The knowledge acquired is recorded in requirement or draft documents. The model focuses on the documentation of the process steps. Since each phase concludes with a milestone, the development process is easy to follow. The waterfall model offers a clear organizational structure for development projects, in which the individual project phases are clearly separated from each other. The results of the requirements’ definition include, for example, a requirement specification, a detailed description of how the project requirements are to be met, and a plan for acceptance testing.įinally, the first phase of the waterfall model provides for an analysis of the requirements’ definition, in which complex problems are broken down into small subtasks and appropriate solution strategies are developed. While as-is analyses outline the problem area, the target concept defines which functions and properties the software product must offer in order to meet the requirements. This is followed by a detailed definition of the requirements, which includes an analysis of the current situation and a target concept. The feasibility study provides a requirement specification (a rough description of the requirements), a project plan and the project calculation, as well as an offer for the client, if applicable. In the feasibility study, the software project is assessed in terms of costs, revenue, and feasibility. Every software project begins with an analysis phase that includes a feasibility study and a requirements definition. ![]()
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