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What are the four phases of the Unified Process ?
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Answer Posted / dahi - hr
Four Process Phases
The Unified Process consists of cycles that may repeat over
the long-term life of a system. A cycle consists of four
phases: Inception, Elaboration, Construction and Transition.
Each cycle is concluded with a release, there are also
releases within a cycle. Let's briefly review the four
phases in a cycle:
* Inception Phase - During the inception phase the core
idea is developed into a product vision. In this phase, we
review and confirm our understanding of the core business
drivers. We want to understand the business case for why the
project should be attempted. The inception phase establishes
the product feasibility and delimits the project scope.
* Elaboration Phase - During the elaboration phase the
majority of the Use Cases are specified in detail and the
system architecture is designed. This phase focuses on the
"Do-Ability" of the project. We identify significant risks
and prepare a schedule, staff and cost profile for the
entire project.
* Construction Phase - During the construction phase the
product is moved from the architectural baseline to a system
complete enough to transition to the user community. The
architectural baseline grows to become the completed system
as the design is refined into code.
* Transition Phase - In the transition phase the goal is
to ensure that the requirements have been met to the
satisfaction of the stakeholders. This phase is often
initiated with a beta release of the application. Other
activities include site preparation, manual completion, and
defect identification and correction. The transition phase
ends with a postmortem devoted to learning and recording
lessons for future cycles.
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