The traditional (waterfall) approach emphasizes extensive documentation upfront, aiming to produce a complete set of specifications and designs before development begins. This provides clear requirements but can be inflexible to changes.
In contrast, the Agile approach evolves requirements during development, focusing on adaptability and real-time feedback, which reduces the overhead of maintaining detailed requirements documents and removes redundant work. However, this can lead to drawbacks such as scope creep, where uncontrolled changes expand the project's scope, and compromised traceability, making it harder to track requirements and impacting long-term maintenance. Despite Agile's flexibility, it's important to incorporate a Requirements Engineering (RE) framework to ensure essential requirements are defined before development.
Difference between traditional (waterfall) approach and agile approach is level and type of documentation
an incremental or waterfall-style project - aim to produce set of complete before solution specification and design
Agile–
evolving the requirements during development - much of the detail is not specified in advance
definition of the requirements necessary before development important to still use the RE framework
Advantage - reduces the maintenance overhead of managing detailed requirements document; removes redundant work
Drawbacks - could lead to scope creep; traceability could be compromised – impacting maintenance..explain this in a short answer
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