The Waterfall methodology is a software development methodology that is based on the sequential-linear approach of software development. In the case of the Waterfall model, all the software development activities are divided into different phases namely – Requirement Gathering & Analysis, System Design, Implementation, Testing, Deployment, and Maintenance. All these phases are performed sequentially in the given order.
Agile Methodology is based on an incremental-iterative approach where the requirements of the complex projects are divided into smaller iterations involving collaboration between the different stakeholders of the project. In each iteration, a deliverable is developed, tested, and demonstrated to the client.
1. Waterfall follows a sequential approach while Agile follows an incremental approach to software development.
2. Requirements are required to be frozen before development whereas requirements are expected to get changed during the course of development.
3. Testing is performed after the development phase in Waterfall while it can be performed concurrently in the case of Agile.
4. The project is divided into different phases in the Waterfall model whereas the same is divided into different sprints in the case of Agile.
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