Rational Unified Process (RUP)

Updated 06 Sep 2026

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What it is
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  an object-oriented, iterative-and-incremental process framework originally developed by Rational Software (now IBM)
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Phases
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  inception — determine the project's vision and feasibility
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  elaboration — analyze and design the system in more detail
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  construction — implement and test the system
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  transition — deliver and refine the software for end users
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Strengths / weaknesses
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  iterative and incremental, with strong documentation and flexibility
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  complex, documentation-heavy, requires a trained team, and can be expensive
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Related
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  Waterfall Model
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  Incremental Development

Linked references 2