Difference between Agile and Waterfall
While talking about these two terms; Agile and Waterfall, one thing that always struck our mind is Project Management. In terms of IT, it’s all about following Software Development Life Cycle (SDLC) to go through the initiation till the delivery of a project. A Business Analyst has to ensure that the best approach is followed for the kind of project they are handling.
Embracing the sophisticated development approach based on the type of project, there are two different project development methodologies that help a Business Analyst handle the development process efficiently; Agile and Waterfall.
Agile vs Waterfall in Software Development
| Agile Methodology | Waterfall Methodology |
| With this approach, the inputs from the stakeholders are required through the entire project development process. | With this approach, the input is required only before the initiation of the project/phase. |
| The changes are entertained during the development process and the requirement changes can be handled easily. | The changes in this process are entertained only upon the completion of the project/phase and not during the development process. |
| This methodology is well suited for complex or time taking projects where requirements may or may not be clear. | This methodology is well suited for smaller projects with a limited set of features and less complexity involved. |
| The testing process can be executed during the development process to find any bugs or errors in the existing code. | The testing process is executed only when the project/phase is completed by the development team. |
| The Agile Methodology is considered to be flexible due to its nature of engaging testing during the development process. | The Waterfall Methodology is considered to be a structured development process as testing can be engaged only once the project/phase is accomplished. |
| The team size involved in Agile is usually small to speed up the development process without much dependency. | The team size involved in Waterfall is usually large. |
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