Agile SDLC model could be a combination of unvarying and progressive method models with specialize in method ability and client satisfaction by fast delivery of operating wares. Agile strategies break the merchandise into tiny progressive builds. These builds square measure provided in iterations. Scrum is a subset of Agile. It is a light-weight method framework for agile development, and also the most widely-used one. A “process framework” may be a explicit set of practices that has got to be followed so as for a method to be the framework. (For example, the commencement method framework needs the employment of development cycles referred to as Sprints, the XP framework needs combine programming, and then forth.) “Lightweight” implies that the overhead of the method is