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During this phase, developers write code according to the design specifications, adhere to coding standards and best practices, and create unit tests for individual components.
- Verification
- Testers rigorously evaluate the system by executing test cases based on requirements, performing integration and system testing, identifying and reporting bugs, and verifying bug fixes and retesting.
- After testing is complete, the team:
- Prepares the production environment
Migrates data if needed
Deploys the system to users
Provides user training and documentation.
Maintenance and support
After the system is deployed, ongoing activities include:Monitoring system performanceAddressing user-reported issues
Implementing minor enhancements
Providing technical support to users.
Each phase in the waterfall process must be completed before the next phase can begin. This approach ensures that all necessary documentation is created and minimises the risk of overlooking important requirements. It can be inflexible if requirements change mid-project. The
sequential nature
of waterfall requires meticulous planning and clear communication throughout the development lifecycle.
Benefits of the waterfall method
Waterfall project management is a sequential and linear approach to executing tasks, and it has several advantages. Let’s discuss each one of them:Clear project structure and timelineThe sequential nature of waterfall provides:
Phases with clearly defined start and end points
A planned structure with a timeline for when the work is to be completedMilestones that are easily communicated to stakeholders.Comprehensive documentation
Waterfall methodology advocates comprehensive documentation, leading to well-defined project requirements and specifications, detailed design documents for future reference and valuable historical records for similar projects.
