Protocol stacks between the UE and the 5GC
Protocol stacks between the UE and the 5GC
Control plane protocol stack
The NAS protocol comprises a NAS - MM and a NAS - SM components.
NAS-SM
NAS-MM
User plane protocol stack
The PDU layer corresponds to the PDU carried between the UE and the data network over the PDU session. GTP-U assists multiplexing traffic of different PDU sessions.