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The Waterfall model is a heavyweight process characterized by comprehensive documentation at each process step. In practice, as each stage unfolds, it yields new insights into previous phases, necessitating revisions at earlier stages. Furthermore, it becomes challenging to establish a proposed budget and schedule without a preliminary examination of the requirements and tentative design.
However, the Waterfall model faces several practical issues, rendering it infrequently used. While it offers advantages such as process visibility, quality control, and cost monitoring at each step, it falls short in terms of flexibility. The detailed design and implementation phases often uncover gaps in the initial requirements, prompting modifications during the project’s development.
Agile development represents a lightweight approach characterized by minimal documentation created throughout the process, rooted in the Agile Manifesto’s principles for software development, emphasizing working software, customer feedback, and adaptability to change. The project’s development unfolds through numerous sprints, each culminating in thoroughly tested code. Following each sprint, the code may be released individually or combined with code from other sprints for subsequent releases, contributing to a larger code base.
Agile development excels in continuously enhancing a system within its established architecture, minimizing resource wastage and enhancing adaptability to changes. It delivers high-quality software solutions swiftly. Nonetheless, minor disadvantages persist; for instance, higher-level teams must establish an overall architecture and coordinate sprint activities, and predictability can be compromised as Agile heavily relies on flexibility and adaptability.
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