A class derived from ComputerSystem that 'is made up of' two or more ComputerSystems which operate together as an atomic, ...

A class derived from ComputerSystem that 'is made up of' two or more ComputerSystems which operate together as an atomic, functional whole to increase the performance, resources and/or RAS (Reliability, Availability and Serviceability) of the component ComputerSystems, related to some aspects of these ComputerSystems.