The classic approach to software development
is the WATERFALL methodology.
The waterfall model of the software development process is a linear sequential flow and is one of the earliest SDLC approaches.
When using this model, companies usually complete one phase before starting to work on the next step.
The advantage of the waterfall methodology is that it allows the company to plan each phase in detail so that the project schedule and budget can be computed at the start of the project.
The disadvantage of the model is time, and effort is spent in the early stages gathering the requirements, writing documentation, and creating the design whereas with agile more value is put into meeting the objectives at the beginning of the project.
Although there are different types of the System Development Life Cycle The waterfall model was often used in companies where a more traditional process was needed.
There are several ways to develop a software, one is the waterfall the other is Agile.
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Last update 12/6/2016