Fig, 5G RAN (Radio Access Network) and Core Network

Image description:
Example 5G network topology, UE, RAN, 5G Core diagram

UE: User Equipment
DN: Data Network

[Glossary] RAN domain
RAN: Radio Access Network
RU: Radio Unit
DU: Distributed Unit
CU: Centralized Unit

[Glossary] Core Domain
UPF: User Plane Function
AMF: Access and Mobility management function
SMF: Session Management Function
AUSF: Authentication Server Function
NSFF: Network Slice Selection Function
NEF: Network Exposure Function
NRF: Network Repository Function
PCF: Policy Control Function
UDM: Unified Data Management
AF: Application Function

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