Describing Resource Architectures
A resource architecture comprises equipment, IT and organizational resources required for operation of a complex infrastructure (system).
Communications between these components are represented by service interactions and the equipment means supporting these service interactions are the communication channels.

A resource architecture is the combination of physical and organizational assets configured to supply a capability.
Services offered by the system to its users are represented by service points. Service points are physically supported by communication ports that enable access to communication means of the system.