In systems and software engineering, SDLC is the process in which one can change or create information systems along with the methods used when creating such systems. There are various methods that fall under the process of software development, and the software development life-cycle is a concept that forms the foundation for the creation of information systems. When system analysts begin the process of creating information systems, they will use the system development life-cycle. Information systems have become very complex in recent years, and to help cope with implementation process, several models have been created.
Examples of such SDLC models include spiral, incremental, agile software development, waterfall, rapid prototyping and synchronize and stabilizing. Each model has been designed to best fit a situation. There are models designed specifically for lightweight processes, while others focus on larger scale projects. A project could be referred under a project life cycle as well as a systems development life-cycle. These are regarded as two different concepts, as the project life cycle simply focuses on the tasks of the project. The software development life cycle is used to determine the requirements of the project on hand.
For a developer, the SDLC phases are regarded as a check list that they must go through. One of the oldest systems development life-cycle model in the book is the waterfall model, and like so, each stage is different in how it is implemented. The process begins with project planning, where the developers goal is identity the final goals for the project. The system analysis is the next step, where the analysts will consider the end-users requirements. The system design and implantation come next, as this is where the programming is done. The final phase for the software development includes integrating and testing the modules for bugs. Once everything has been accepted, it is put into the market.
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