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Concerns
ARCH.097 Evaluate subsystem boundary options against the architectural tradeoff criteria
ARCH.098 Define selected subsystem option
ARCH.118 Identify implementation constraints on the subsystem solution
In Capella this corresponds to a PAB diagram, but this should not be modelled in the main model because Capella is not designed to cope with modelling alternative architectures side-by-side.
Mandatory viewpoint:
4. Modelling Rules for Physical Architecture#ModRules_VE_PhyComponent
4. Modelling Rules for Physical Architecture#ModRules_VE_PhyActor
4. Modelling Rules for Physical Architecture#ModRules_VS_AMOD-080