画像の説明：
5Gネットワークトポロジーの例、UE、RAN、5G Coreの図
Image description：
Example 5G network topology, UE, RAN, 5G Core diagram
[Glossary]
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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