Activity: Integrate the System








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Activity: Integrate the System















This activity integrates implementation subsystems to create a new consistent version of the overall system.








DescriptionWork Breakdown StructureTeam AllocationWork Product Usage








Relationships



Parent Activities


Implementation






Description



The integrator integrates the system, in accordance with the integration build plan, by adding the delivered implementation subsystems into the system integration workspace and creating builds. Each build is then integration tested by a tester. After the last increment, the build can be completely system tested by a tester.



Properties



Event Driven


Multiple Occurrences


Ongoing


Optional


Planned


Repeatable



Staffing



Integration is typically carried out by a single person (for a small project on which the build process in simple) or a small team (for a large project on which the build process is complex). The integrators need experience in software build management, configuration management, and experience in the programming language in which the components to be integrated are written. Because integration often involves a high degree of automation, expertise in operating system shell or scripting languages and tools like 'make' (on Unix) or 'ant' (for Java) is also essential.



Usage



Usage Guidance Integration work is typically automated to a large degree, with manual effort required when the build breaks. A frequent strategy is to perform automated nightly builds and some automated testing (usually at the unit level), allowing for frequent feedback from the build process.





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