Phases of RUP

There is a total of five phases of the life cycle of RUP:

1. Inception
2. Elaboration
3. Construction
4. Transition
5. Production

1. Inception –
   • Communication and planning are the main ones.
   • Identifies the scope of the project using a use-case model allowing managers to estimate costs and time required.
   • Customers’ requirements are identified and then it becomes easy to make a plan for the project.
   • The project plan, Project goal, risks, use-case model, and Project description, are made.
   • The project is checked against the milestone criteria and if it couldn’t pass these criteria then the project can be either canceled or redesigned.
2. Elaboration –
   • Planning and modeling are the main ones.
   • A detailed evaluation and development plan is carried out and diminishes the risks.
   • Revise or redefine the use-case model (approx. 80%), business case, and risks.
   • Again, checked against milestone criteria and if it couldn’t pass these criteria then again project can be canceled or redesigned.
   • Executable architecture baseline.
3. Construction –
   • The project is developed and completed.
   • System or source code is created and then testing is done.
   • Coding takes place.
4. Transition –
   • The final project is released to the public.
   • Transit the project from development into production.
   • Update project documentation.
   • Beta testing is conducted.
   • Defects are removed from the project based on feedback from the public.
5. Production –
   • The final phase of the model.
   • The project is maintained and updated accordingly.

Rational Unified Process (RUP) is a framework for software engineering processes. RUP is an Iterative and incremental approach to improving problem knowledge through consecutive revisions. It is an architecture-centric and use-case-driven approach that manages risk and is flexible to change. RUP incrementally improves an effective solution through repeated iterations.