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05/08/2013 Categories: Introduction to UML. 1 Comment on Software Development Life Cycle

UML is a software development life cycle or process independent language. But to get most out of UML, the software development process should have the following properties:

  • Use case driven
  • Architecture centric
  • Iterative and Incremental

Rational Unified Process (RUP) is a software development process framework developed by Rational Corporation which satisfies the above three properties. The overall software development life cycle can be visualized as shown below:

rational unified process software development life cycle

Critical activities in each phase:


  • Business case is established
  • 20% of the critical use cases are identified


  • Develop the architecture
  • Analyze the problem domain (80% of use cases are identified)


  • Source code
  • User manual
  • Verification and validation of code


  • Deployment of software
  • New releases
  • Training

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