What is Software Development Life Cycle (SDLC)?

The Software Development Life Cycle (SDLC) is a conceptual model used in project management that describes the stages involved in an information system development project, from initial feasibility study through maintenance of the completed application. It provides a structured approach to software development, aiming to produce high-quality software that meets or exceeds customer expectations, reaches completion within times and cost estimates, and works effectively and efficiently in the current and planned information technology infrastructure. Common SDLC models include Waterfall, Agile, Iterative, Spiral, and V-Model, each with its own set of processes and suitable for different project types and complexities.