Software Development Life Cycle Vs Waterfall. No phase may begin until the previous phase has been completed and accepted. What is The Waterfall Model.
It was introduced in 1970 by Winston Royce. The Agile and Waterfall are the highly used SDLC Software Development Life Cycle models to develop software or web-based product. It is also referred to as a linear-sequential life cycle modelIt is very simple to understand and use.
As others have said the waterfall model is a software development life cycle model.
Each phase is associated with a deliverable that acts as an input to the subsequent phase of SDLC. Waterfall spiral V-Model rapid prototyping incremental and synchronize and stabilize. No phase may begin until the previous phase has been completed and accepted. As others have said the waterfall model is a software development life cycle model.