| 5G | Fifth Generation |
| 5GC | 5G Core |
| 5QI | 5G Quality Indicator |
| AI | Artificial Intelligence |
| AMBR | Aggregate Maximum Bit Rate |
| AMF | Access and Mobility management Function |
| API | Application Programming Interface |
| ASIC | Application Specific Integrated Circuit |
| B2B | Business-to-Business |
| B2C | Business-to-Customer |
| BSS | Business Support System |
| CN | Core Network |
| CSMF | Communication Service Management Function |
| CU | Centralized Unit |
| DN | Data Network |
| DRB | Dedicated Radio Bearer |
| DSCP | DiffServ Code Point |
| DU | Distributed Unit |
| DWDM | Dense WDM |
| E2E | end-to-end |
| eCPRI | Enhanced Common Public Radio Interface |
| EPC | Evolved Packet Core |
| Flex-E | Flexible Ethernet |
| Flex-O | Flexible Optical Transport Network |
| FPGA | Field Programmable Gate Array |
| GBR | Guaranteed Bit Rate |
| GSMA | GSM Alliance |
| GST | Generic network Slice Template |
| IaaS | Infrastructure as a Service |
| IOC | Information Object Class |
| L4S | Low Latency, Low Loss, Scalable throughput |
| LSP | Label Switched Path |
| MANO | Management and Orchestration |
| MBR | Maximum Bit Rate |
| MDAS | Management Data Analytics Service |
| MPLS | Multiple Protocol Label Switching |
| MW | Microwave |
| near-RT RIC | near-Real Time RIC |
| NEF | Network Exposure Function |
| NEST | Network Slice Type |
| NFV | Network Functions Virtualization |
| NFVO | NFV Orchestrator |
| NG-RAN | Next Generation RAN |
| non-RT RIC | Non-Real Time RIC |
| NPN | Non-Public Network |
| NR | New Radio |
| NRM | Network Resource Model |
| NSA | Non Standalone |
| NSaaS | Network Slice as a Service |
| NSCAF | Network Slice Access Control Function |
| NSD | Network Service Descriptor |
| NSI | Network Slice Instance |
| NSMF | Network Slice Management Function |
| NSSAI | Network Slice Selection Assistance Information |
| NSSI | Network Slice Subnet Instance |
| NSSMF | Network Slice Subnet Management Function |
| NSST | Network Slice Subnet Template |
| NST | Network Slice Template |
| NWDAF | Network Data Analytics Function |
| OAM | Operation, Administration and Maintenance |
| OS | Operation System |
| OSS | Operations Support System |
| PCE | Path Computation Element |
| PCF | Policy Control Function |
| PDU | Packet Data Unit |
| PLMN | Public Land Mobile Network |
| PNI-NPN | Public Network Integrated NPN |
| PoC | Proof of Concept |
| PoP | Point of Presence |
| PRB | Physical Radio Block |
| RAN | Radio Access Network |
| RIC | RAN Intelligent Controller |
| ROADM | Reconfigurable Optical Add-Drop Multiplexer |
| RRM | Radio Resource Management |
| RU | Radio Unit |
| S-NSSAI | Single Network Slice Selection Assistance Information |
| SA | Standalone |
| SBA | Service Based Architecture |
| SBMA | Service Based Management Architecture |
| SD | Slice Differentiation |
| SD-WAN | Software Defined WAN |
| SDN | Software Defined Networking |
| SDO | Standards Development Organization |
| SDTN controller | Software Defined Transport Network Controller |
| SLA | Service Level Agreement |
| SMF | Session Management Function |
| SNPN | Standalone NPN |
| SR | Segment Routing |
| SST | Slice/Service Type |
| T-NSC | Transport Network Slice Controller |
| TAC | Tracking Area Code |
| TAI | Tracking Area Identifier |
| TE | Traffic Engineering |
| TN | Transport Network |
| TSN | Time Sensitive Network |
| UE | User Equipment |
| UPF | User Plane Function |
| URSP | UE Resource Selection Policy |
| VLL | Virtual Leased Line |
| VNF | Virtualized Network Function |
| VPLS | Virtual Private LAN Service |
| VPN | Virtual Private Network |
| VPRN | Virtual Private Routed Network |
| WAN | Wide Area Network |
| WDM | Wavelength Division Multiplexing |
| XR | Immersive Reality |
| YANG | Yet Another Next Generation |