These are namely requirements planning, user description, construction, and cutover. There are 4 distinct phases of the Rapid Application Development model. The end product is then built around this finalized design. Afterward, the SRS document is developed and the design is finalized. The process repeats until validation is done by the customer. This feedback is then taken in and changes are made to the prototype before delivering it again to the customer. The process of the RAD Model involves building a prototype and then delivering it to the customer to get the feedback. This is in sharp contrast to the waterfall model, which is the same today as it was during its advent. Though the RAD model appeared during the 1980s, it has evolved ever since. The waterfall model is incapable to accommodate software development projects with evolving requirements.Ī major drawback of the waterfall model is that once the software development process reaches the testing phase, it almost becomes impossible to change the core functionality and features offered by the software under development. The inception of RAD started when software developers started to realize that the traditional waterfall model wasn’t much effective. RAD developers are allowed to make numerous iterations and updates to the project under development without starting the development schedule from scratch each and every time. The Rapid Application Development Model prioritizes rapid prototyping as well as quick feedback overextended development and testing cycles. These include analyzing, designing, coding, testing, implementation, and maintenance. The development of each module of a software development project using the RAD model follows the several basic steps of the waterfall model. All these various modules are ultimately combined to get the final product. What is RAD Model?Īny software development project that is divisible into smaller modules, which are capable to be assigned independently to different teams can be developed using RAD Model. One of the most important highlights of the Rapid Application Development model is the support for powerful development tools, such as C++, Java, Visual Basic, and XML, and techniques it brings to the table. Generally, a project being developed with the RAD Model has a delivery time of 60 to 90 days. The RAD model has a very short development time span. Also known as the RAD model, the software development model favors speed and flexibility over thorough upfront planning. Vijay Singh Khatri | 12 Dec, 2022 What is Rapid Application Development Model (RAD)?įirst proposed by IBM during the 1980s, the Rapid Application Development model is one of the popular SDLC models.
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