The present document analyses the aspects with regard to the new interface between Control Plane and User Plane due to the separation of the following EPC nodes: S-GW, P-GW and TDF.
Specifically, the following aspects are to be analysed:
Restoration procedure enhancements for the separated nodes;
Signalling with regards to Load control;
Signalling with regards to Overload control;
Path management and path failure handling.