Software Development Life Cycle

Summary

The systems and software that make up a system‐of‐systems are developed by different organizations, using different development cycles. There are various software development cycles, called Software Development Life Cycle. Some systems‐of‐systems lend themselves very well to sequential developments, such as the construction of a bridge or a tunnel: as long as the work is not finished, the service is unusable. Sequential cycles are composed of waterfall cycle and V‐cycle. Incremental development principle is to split the development into several deliveries, each delivery representing a major evolution compared to the previous version, the addition of new functionalities. Agile development cycles are iterative and incremental cycles, the objective of which is to pragmatically and incrementally develop a system. The acquisition of system‐of‐systems subsystems and equipment must also consider the test environments that will qualify the system‐of‐systems, whether during the initial design or during future developments.