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Unified process (UP) is an architecture-centric, use-case driven, iterative and incremental development process that leverages unified modeling language and is compliant with the system process engineering metamodel. Unified process can be applied to different software systems with different levels of technical and managerial complexity across various domains and organizational cultures.
UP is also referred to as the unified software development process.
Unified process is a refinement of rational unified process. It is an extensible framework that can be customized for specific projects.
This process divides the development process into four phases:
UP has the following major characteristics: