WATERFALL
Methodology
The waterfall model is a breakdown of project activities into linear sequential phases, where each phase depends on the deliverables of the previous one and corresponds to a specialisation of tasks. The approach is typical for certain areas of engineering design.
Requirement Analysis
Exact requirements are analyzed
Design
Solution is designed to meet the requirements
Implementation
Start implementing the required fix
Testing
All changes are quality checked and tested to make sure it adheres to the clients requirements.
Installation
All changes are installed into production environment
Maintenance
All changes are monitored for ongoing maintenance/improvement