At Software Co, each waterfall project is taken through
the following four stages: Elaboration, Implementation,
Stabilization, and Transition.
Once the requirements have been defined and agreed upon, the project scope is fixed. Any additional featuresin the course of the development are processed according to the change control procedure and estimated separately.
Each project phase — such as Elaboration, Implementation, Stabilization, and Transition — is executed only after the previous one has been fully completed. Project phases do not overlap.
Documentation can either be provided by the customer, or produced during the elaboration stage. All documentation needs to be comprehensive and clear for all parties before the actual implementation can begin.
Waterfall is a great choice for short-term projects when system requirements and the applied technology are both well-understood.
In waterfall, each phase has well-defined deliverables linked to specific milestones, which makes scheduling and resourcing easier to manage.
Waterfall’s linear nature means it’s easier to stay on budget, which could be a critical requirement for some projects.
The artifacts produced during the Elaboration phase dramatically facilitate product customization, enhancement, and maintenance down the road.
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