What is SDLC PROCESS

It means continous iteration of development and testing throughout Software Development Life Cycle(SDLC) of project. Here iterative approach is choosen and software build is delivered after each iteration.The customer is able to see the result after each iteration and tell his comments.
This is one of the advantages of agile development.The disadvantage is that requirements are not freezed before.Hence it is difficult to estimate the resources and development cost.
The final build has all features required for the project.