Difference between a subsystem and a component

uml modeling
WebMonster picture WebMonster · May 6, 2010 · Viewed 16.3k times · Source

I would like to ask what is the difference between a subsystem and a component in the UML sense?

Answer

Bruce picture Bruce · May 6, 2010

I have to agree with Preet, but practically, a subsystem is larger than a component. I use components for libraries (either bought, pillaged, or built) and subsystems for a part of the whole system that performs a given integrated function. For example, in a blood processing device, the centrifuge driver and control would be a component. The integrated blood suction regulation (which includes safety mechanisms, motor control, user control, and communications) would be a subsystem.

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