Acronyms
The following table provides information about the acronyms used in the document:
Table - Acronyms and Terminologies
| Field | Description |
|---|---|
| 3GPP | 3rd Generation Partnership Project |
| 5GC | 5G Core Network |
| 5GS | 5G System |
| 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. |
| AMF | Access and Mobility Management Function |
| API | Application Programming Interface |
| ASM | Aspen Service Mesh |
| CNC | Cloud Native Core |
| Configured NSSAI | NSSAI provisioned in the UE applicable to one or more PLMNs. |
| DB | Database |
| DNN | Data Network Name |
| EANAN | Empty Authorized NSSAI Availability Notification |
| EGW | Egress Gateway |
| eMBB | enhanced Mobile Broadband |
| EPC | Evolved Packet Core. It is a framework for providing converged voice and data on a 4G Long-Term Evolution (LTE) network. |
| EPS | Evolved Packet System. It is a Mobility Management (EMM) protocol that provides procedures for the control of mobility when the User Equipment (UE) uses the Evolved UMTS Terrestrial Radio Access Network (E-UTRAN). EPS is a combination of E-UTRAN, EPC and UE. |
| FQDN | Fully Qualified Domain Name |
| GR | Georedundant |
| H-NSSF | Home NSSF |
| HPLMN | Home Public Land Mobile Network |
| HTTPS | Hypertext Transfer Protocol Secure |
| IE | Information Element |
| KPI | Key Performance Indicator |
| MIoT | Massive Internet of Things |
| NF | Network Function |
| NRF | Oracle Communications Cloud Native Core, Network Repository Function |
| NS | Network Slice. A logical network that provides specific network capabilities and network characteristics. |
| NSI | Network Slice Instance |
| NSI ID | Network Slice Instance Identifier |
| NSS | Network Switching Subsystem |
| NSSAI | Network Slice Selection Assistance Information |
| NSSF | Oracle Communications Cloud Native Core, Network Slice Selection Function |
| NWDAF | Network Data Analytics Function |
| ONSSAI | Optimized NSSAI Availability Data Encoding feature |
| PEI | Permanent Equipment Identifier |
| PLMN | Public Land Mobile Network |
| PDU | Protocol Data Unit |
| RAN | Radio Access Network |
| Requested NSSAI | NSSAI provided by the UE to the serving PLMN during registration. |
| Restricted S-NSSAI | This is an information element (IE) that contains restricted S-NSSAI(s) per PLMN for a Tracking Area(TA). If the restricted SNssai is not present, no restricted S-NSSAI is applicable to the TA. If present, this IE (restrictedSnssai) is included only by the NSSF. |
| SCP | Oracle Communications Cloud Native Core, Service Communication Proxy |
| SEPP | Oracle Communications Cloud Native Core, Security Edge Protection Proxy |
| SBA | Service Based Architecture |
| SBI | Service Based Interface |
| SSC | Session and Service Continuity |
| SST | Slice or Service type |
| SD | Slice Differentiator |
| SMF | Session Management Function |
| S-NSSAI | Single Network Slice Selection Assistance Information |
| SUMOD | Subscription Modification |
| Subscribed S-NSSAI | 5G uses this as a default when the UE does not send a Requested NSSAI |
| SUPI | Subscription Permanent Identifier |
| TA | Tracking Area |
| TAC | Tracking Area Code |
| TAI | Tracking Area Identifier |
| UDM | Unified Data Management |
| UDR | Oracle Communications Cloud Native Core, Unified Data Repository |
| UE | User Equipment |
| URLLC | Ultra-Reliable Low Latency Communications |
| V-NSSF | Visited NSSF |
| VPLMN | Visited Public Land Mobile Network |