Waterfall Model : Waterfall model is same as SDLC with the difference that in waterfall model testing is done by developers only.
Waterfall model was the first software development process model to be introduced. It is also known as Linear Sequential Life Cycle Model. It is very easy to understand and adapt. There is no overlapping between the phases in this model. Every phase must finished before next phase can began.
Applications :
1. For short and simple projects.
2. whenever requirement is not going to change.
Advantages :
1. Easy to adapt and learn.
2. The product is highly stable.
3. Phases are processed and complete one at a time.
Disadvantages :
1. Not suitable for large projects.
2. Not flexible.
3. Downward flow of defect.
4. Back tracking is not possible.
5. Requirement changes in between not possible.
Comments
Post a Comment