In this session you will have the clarity about UDM Functions.
As a control plane function in the 5G core network, the main functions and responsibilities of UDM are:
1. Generation of 3GPP AKA Authentication Credentials.
2. User Identification Handling (e.g. storage and management of SUPI for each subscriber in the 5G system).
3. Support of de-concealment of privacy-protected subscription identifier (SUCI).
4. Access authorization based on subscription data (e.g. roaming restrictions).
5. UE's Serving NF Registration Management (e.g. storing serving AMF for UE, storing serving SMF for UE's PDU Session).
6. Support to service/session continuity e.g. by keeping SMF/DNN assignment of ongoing sessions.
7. MT-SMS delivery support.
8. Lawful Intercept Functionality (especially in outbound roaming case where UDM is the only point of contact for LI).
9. Subscription management.
10. SMS management.
11. 5G-VN group management handling.
12. Support of external parameter provisioning (Expected UE Behavior's parameters or Network Configuration parameters).
Follow this link for Introduction to 5G.
• Introduction to 5G | W...
Click on the link below for SA vs NSA session
• Introduction to SA(Sta...
Click on the link below to understand about Service Based Architecture, 5G Core Architecture, 5G Standalone Architecture.
• 5G Core Architecture |...
Click on the link below for Access & Mobility Management Function AMF
• 5GC AMF | Access & Mob...
Click on the link below for Session Management Function SMF
• 5GC SMF | Session Man...
Click on the link below for User Plane Function UPF
• 5GC UPF | User Plane F...
Click on the link below for Introduction to Authentication Server Function AUSF
• 5GC AUSF | Authenticat...
Click on the link below for Authentication Server Function AUSF Part 2
• 5GC AUSF (Authenticati...
Link for the same video
• 5GC UDM | Unified Data...
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