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The Evolutionary Development Model is a software development model that involves the iterative development of a software product, with an emphasis on evolving the product over time to meet changing requirements. In this model, the development process is broken down into a series of smaller iterations or releases, with each iteration delivering a working version of the software product.
The Evolutionary Development Model typically involves the following steps:
- Requirements gathering: In this stage, the software requirements are identified and analyzed. This involves understanding the needs of the users, the business requirements, and any technical requirements that the software must meet.
- Rapid Prototyping: In this stage, a basic version of the software is designed and developed. The prototype is typically a simplified version of the final software product, and it may not have all of the features and functionality of the final version. The prototype is developed rapidly, and it is used to obtain user feedback and refine the design.
- Iterative Development: In this stage, the software is developed in a series of small iterations or releases. Each iteration delivers a working version of the software product, which is tested to identify any problems or issues. Feedback obtained from users is used to refine the design and improve the software in the next iteration.
- Release and Maintenance: In this stage, the software is released to the production environment. This involves installing the software, configuring the environment, and ensuring that the software is ready for use. The software is then maintained to ensure that it continues to meet the user’s needs.
The Evolutionary Development Model is a useful model for developing software when the requirements are not well-defined or are likely to change over time. The model allows for the quick identification of problems and issues, and it enables developers to refine the design based on user feedback. The model also allows for the development of a software product that meets the changing needs of users over time. However, the Evolutionary Development Model can be time-consuming and expensive, and it requires a high level of expertise and experience to implement effectively.