A Software or Systems Development Life Cycle diagram shows stages such as discovery, requirements, design, build, test, deployment and operation. It clarifies activities, decisions and responsibilities across delivery.
How to use this tool
Define purpose and scope
Define the lifecycle’s purpose and scope.
Identify stages and decisions
Identify the stages, activities and decision points.
Add inputs and outputs
Add responsibilities, inputs and outputs.
Validate with stakeholders
Validate the lifecycle with delivery stakeholders.
References & further reading
Royce, W. W. (1970). “Managing the Development of Large Software Systems.” Proceedings of IEEE WESCON, 1–9.