System Development Life Cycle

Structured project management techniques (such as an SDLC) enhance management's control over projects by dividing complex tasks into manageable sections. Segmenting projects into logical control points (phases) allows managers to review project phases for successful completion before allocating resources to subsequent phases.

The number of phases within a project's life cycle is based on the characteristics of a project and the employed project management methodology. A five-step process may only include broadly defined phases such as prepare, acquire, test, implement, and maintain. Typical software development projects include initiation, planning, design, development, testing, implementation, and maintenance phases. Some organizations include a final, disposal phase in their project life cycles.

The activities completed within each project phase are also based on the project type and project management methodology. All projects should follow well-structured plans that clearly define the requirements of each project phase.


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Alternative Development Methodologies