Life Cycle Management

System Development Life Cycle

What Is The System Development Life Cycle?

System Development Life Cycle

The system development life cycle refers to the systematic processes and stages for information system design. This approach closely parallels the software development life cycle in terms of the formal processes and stages of development. A number of system development life cycle models have been developed to meet the needs of organizations including: waterfall, fountain, spiral, build and fix and rapid prototyping. Irrespective of the model used, the basic classification stages of the product development life cycle remain the same.

The project planning and feasibility stage of the system development life cycle is characterized by scoping and bounding the system project requirements. This includes stakeholder identification and an outline of the project goals and objectives. The system development life cycle charter is developed to articulate the project deliverables and to provide a project plan.

System Development Life Cycle

The systems analysis and design stage of the system development life cycle focuses on defining the functions and end user requirements. This can include identifying hardware dependencies and requirements. Business rules and procedures are established. This stage can include the development of screen layouts and pseudo code for the production and development stage.

The implementation stage of the system development life cycle requires the practical manifestation of the system architectural and coding requirements of the system. Software programmers go to work at this stage to interpret the business rules and pseudo code to bring the project to life. This will include initial requirements testing and the checks and balances to ensure the project meets the original intended scope.

The integration and testing stage of the system development life cycle requires the implementation of the testing procedures in the project plan. This can include usability and functionality testing. Bug reporting, system improvements and any feedback from beat testing is collated for and provided to the systems development team who integrate the suggested improvements.

The acceptance stage of the system development life cycle is where the project is deployed in the real life business environment and project hand over takes place. This can include an initial post release phase where the system is monitored for compliance, robustness and functional acceptance. Teams that were part of the development phase are streamlined at this stage.

The maintenance stage of the system development life cycle allows for the ongoing monitoring, systematic checking and ongoing performance monitoring that forms part of the support structure of the developed system. This can include build updates, bug fixes and designated improvements that can manifest as the result of real life deployment.

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