Subsystem integration proceeds according to the Work Product: Integration Build Plan, in which the order
of Implementation Element and implementation subsystem
integration has been planned. If a subsystem is large, a subsidiary Integration Build Plan may have been
created specifically for the subsystem.
It is recommended that you integrate the implemented classes (implementation elements) incrementally bottom-up in the
compilation-dependency hierarchy. At each increment you add one, or a few elements to the system.
If two or more implementers are working in parallel on the same subsystem, their work is integrated through
a subsystem integration workspace, into which the implementers deliver elements from their private
development workspaces, and from which the integrator will construct builds.
If a team of several individuals works in parallel on the same subsystem, it is important that the team
members share their results frequently, not waiting until late in the process to integrate the team's work.
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