CU-CP
The CU-CP, or Central Unit - Control Plane, is responsible for the handling of control plane messaging, specifically, the control plane part of the PDCP protocol. In the CU-CP,...
CU-UP
The CU-UP, or Central Unit - User Plane, is responsible for the handling of user plane messaging. Specifically the user plane aspect of the PDCP and SDAP protocols. In the...