What is RAD (Rapid Application Development) Model?
RAD or Rapid Application Development process is an adoption of the waterfall model; it targets at developing software in a short span of time. RAD follow the iterative
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SDLC RAD model has following phases
- Business Modeling
- Data Modeling
- Process Modeling
- Application Generation
- Testing and Turnover
It focuses on input-output source and destination of the information. It emphasizes on delivering projects in small pieces; the larger projects are divided into a series of smaller projects. The main features of RAD model are that it focuses on the reuse of templates, tools, processes, and code.
Different phases of RAD model includes
Phases of RAD model | Activities performed in RAD Model |
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Business Modeling |
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Data Modeling |
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Process Modeling |
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Application Generation |
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Testing and Turnover |
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When to use RAD Methodology?
- When a system needs to be produced in a short span of time (2-3 months)
- When the requirements are known
- When the user will be involved all through the life cycle
- When technical risk is less
- When there is a necessity to create a system that can be modularized in 2-3 months of time
- When a budget is high enough to afford designers for modeling along with the cost of automated tools for code generation
Advantages and Disadvantages of SDLC RAD Model
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