This essay defines project management methodology and compares Agile and Waterfall methodologies. It highlights the advantages and disadvantages of each, noting Agile's iterative and flexible approach versus Waterfall's sequential and rigid structure. The essay also discusses how each methodology relates to the project lifecycle, emphasizing Agile's suitability for complex projects and Waterfall's simplicity for smaller ones. The agile development process is very useful for project life cycle because this process promotes the development iterations in the project life cycle. Agile project lifecycle involves many software developments such as adaptive software development, DAD, agile modeling, scrum, Kanab, extreme programming, DSDM, and lean software development. Agile project lifecycle involves the construction, production, concept, and retirement phases. The waterfall project life cycle involves some steps such as requirements, system design, implementation, testing, deployment of system and maintenance.
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