The evolutionary model is used when the users need to start using the many features instead of waiting for the complete software. It is very useful in a large project where you can easily find a module for step by step implementation.Two most important cases are mentioned below This model also allows for changing requirements as well as all development done into different pieces and maintains all the work as a chunk.Įvolutionary model is useful in many cases. The confidence of the customer increased. These chunks present to the customer one by one. In the evolutionary model, all work divided into smaller chunks. If you want any changes in the software requirements, all changes will be applied within a time. The user feedback is very helpful for the development of the next stage because after the completion of one stage we get the feedback to the user, the user feedback is very essential for the development of the next phase. It is a very suitable model because of user feedbackand other factors that make the model very suitable for the development of complete Software. This model is a combination of incremental and iterative models. For example, the Waterfall model in which all the users are able to get access to the product at the end of each cycle. In this model, all work divided into small chunks or modules. In the evolutionary model, all the work is done during the development phase. The evolutionary model is the model of software engineering.
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