Communication networks are usually modeled the following way:
This plane supports the transport function i.e. the forwarding of traffic-units to end-point(s). The User-plane provides transport for the Control and Management planes.
This plane supports the control of the User-Plane with regards to the following aspects:
- Topology ( virtual )
- Resources ( access etc.)
This plane supports the management of the User and Control planes. The management functionality includes (see also FCAPS):