Advantages And Disadvantages Of The Waterfall Methodology

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TRIARQ Healthcare Agile development is not a methodology in itself. It is an umbrella term that describes several agile methodologies. At the signing of Agile Manifesto in 2001, these methodologies included Scrum, XP, Crystal, FDD, and DSDM. Since then, lean practices have also emerged as a valuable agile methodology and so are included under the agile development umbrella. Most agile development methods break product development work into small increments that minimize the amount of up-front planning and design. Iterations are short time frames that typically last from one to four weeks. Iteration involves a cross-functional team working in all functions: planning, analysis, design, coding, unit testing, and acceptance testing. At the end of the iteration, a …show more content…

The waterfall methodology stresses meticulous record keeping. Having such records allows for the ability to improve upon the existing program in the future. 2. With the waterfall methodology, the client knows what to expect. They’ll have an idea of the size, cost, and timeline for the project. They’ll have a definite idea of what their program will do in the end. 3. In the case of employee turnover, waterfall’s strong documentation allows for minimal project impact. • Disadvantages of the Waterfall Methodology 1. Once a step has been completed, developers can’t go back to a previous stage and make changes. 2. Waterfall methodology relies heavily on initial requirements. However, if these requirements are faulty in any manner, the project is doomed. 3. If a requirement error is found, or a change needs to be made, the project has to start from the beginning with all new code. 4. The whole product is only tested at the end. If bugs are written early, but discovered late, their existence may have affected how another code was written. Additionally, the temptation to delay thorough testing is often very high, as these delays allow short-term wins of staying

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