Acronyms and Terminology
The following table provides information about the acronyms used in the document:
Table 3-1 Acronyms
| Field | Description |
|---|---|
| 5G-AN | 5G Access Network |
| 5GC | 5G Core Network |
| 5G-GUTI | 5G Globally Unique Temporary Identifier |
| 5QI | 5G QoS Identifier |
| 5G-S-TMSI | 5G S-Temporary Mobile Subscription Identifier |
| 5GS | 5G System |
| 5G-EIR | 5G-Equipment Identity Register |
| (R)AN | (Radio) Access Network |
| AMF | Access and Mobility Management Function |
| AUSF | Authentication Server Function |
| CAPIF | Common API Framework for 3GPP northbound APIs |
| HTTPS | Hypertext Transfer Protocol Secure |
| NEF | Network Exposure Function |
| NF | Network Function |
| NRF | Network Repository Function |
| NSI ID | Network Slice Instance Identifier |
| NSSAI | Network Slice Selection Assistance Information |
| NSSF | Network Slice Selection Function |
| Network Slice | A logical network that provides specific network capabilities and network characteristics . |
| Network Slice instance | A set of Network Function instances and the required resources (Example: compute, storage and networking resources) which form a deployed Network Slice. |
| NF service | A functionality exposed by a NF through a service based interface and consumed by other authorized NFs. |
| NSSP | Network Slice Selection Policy |
| PEI | Permanent Equipment Identifier |
| PCF | Policy Control Function |
| PLMN | Public Land Mobile Network |
| QFI | QoS Flow Identifier |
| QoE | Quality of Experience |
| Requested NSSAI | NSSAI provided by the UE to the Serving PLMN during registration. |
| Allowed NSSAI | NSSAI provided by the Serving PLMN during a Registration procedure, indicating the S-NSSAIs values the UE could use in the Serving PLMN for the current registration area. |
| Configured NSSAI | NSSAI provisioned in the UE applicable to one or more PLMNs. |
| SEPP | Security Edge Protection Proxy |
| SBA | Service Based Architecture |
| SBI | Service Based Interface |
| SSC | Session and Service Continuity |
| SSCMSP | Session and Service Continuity Mode Selection Policy |
| SST | Slice/Service type |
| SD | Slice Differentiator |
| SMF | Session Management Function |
| SMSF | Short Message Service Function |
| S-NSSAI | Single Network Slice Selection Assistance Information |
| TA | Tracking Area |
| TAC | Tracking Area Code |
| TAI | Tracking Area Indentifier |
| UDM | Unified Data Management |
| UDR | Unified Data Repository |
| UDSF | Unstructured Data Storage Function |
| UE | User Equipment |