`<< Back <../>`__ Abbreviations ============= +----------------+----------------------------------------------------+ | **Term** | **Description** | +================+====================================================+ | 3GPP | 3rd Generation Partnership Project | +----------------+----------------------------------------------------+ | AAA | Authentication, Authorisation, and Accounting | +----------------+----------------------------------------------------+ | AArch64 | 64bit ARM architecture | +----------------+----------------------------------------------------+ | Acc | Accelerator | +----------------+----------------------------------------------------+ | AD | Active Directory | +----------------+----------------------------------------------------+ | ADC | Application Delivery Controller | +----------------+----------------------------------------------------+ | AES | Advanced Encryption Standard | +----------------+----------------------------------------------------+ | AES-NI | AES New Instructions | +----------------+----------------------------------------------------+ | AI | Artificial Intelligence | +----------------+----------------------------------------------------+ | AMF | Access and Mobility management Function | +----------------+----------------------------------------------------+ | API | Application Programming Interface | +----------------+----------------------------------------------------+ | AR | Augmented Reality | +----------------+----------------------------------------------------+ | ARM | Advanced RISC Machines | +----------------+----------------------------------------------------+ | ARP | Address Resolution Protocol | +----------------+----------------------------------------------------+ | AS | Application Servers | +----------------+----------------------------------------------------+ | ASIC | Application-Specific Integrated Circuit | +----------------+----------------------------------------------------+ | AUSF | AUthentication Server Function | +----------------+----------------------------------------------------+ | AZ | Availability Zone | +----------------+----------------------------------------------------+ | B2B | Business to Business | +----------------+----------------------------------------------------+ | B2C | Business to Consumer | +----------------+----------------------------------------------------+ | BBU | BaseBand Unit | +----------------+----------------------------------------------------+ | BGCF | Border Gateway Control Function | +----------------+----------------------------------------------------+ | BGP | Border Gateway Protocol | +----------------+----------------------------------------------------+ | BGPaaS | BGP as a Service | +----------------+----------------------------------------------------+ | BIOS | Basic Input Output System | +----------------+----------------------------------------------------+ | BM | Bare Metal | +----------------+----------------------------------------------------+ | BMC | Baseband Management Controller | +----------------+----------------------------------------------------+ | BMRA | Bare Metal Reference Architecture | +----------------+----------------------------------------------------+ | BNG | Broadband Network Gateway | +----------------+----------------------------------------------------+ | BRAS | Broadband Remote Access Server | +----------------+----------------------------------------------------+ | BSS | Business Support Systems | +----------------+----------------------------------------------------+ | CaaS | Cloud Native Container as a Service | +----------------+----------------------------------------------------+ | CaaS | Container as a Service | +----------------+----------------------------------------------------+ | CAPEX | Capital Expenditure | +----------------+----------------------------------------------------+ | C&V | Compliance & Verification | +----------------+----------------------------------------------------+ | CCP | Centralised Control Plane | +----------------+----------------------------------------------------+ | CCS | Converged Charging System | +----------------+----------------------------------------------------+ | CDN | Content Distribution (or Delivery) Network | +----------------+----------------------------------------------------+ | CG-NAT | Carrier-Grade Network Address Translation | +----------------+----------------------------------------------------+ | cgroups | Control Groups | +----------------+----------------------------------------------------+ | CHF | Charging Function (part of the converged charging | | | system CCS) | +----------------+----------------------------------------------------+ | CI/CD | Continuous Integration / Continuous Deployment | +----------------+----------------------------------------------------+ | CIDR | Classless Inter-Domain Routing | +----------------+----------------------------------------------------+ | CIM | Cloud Infrastructure Management | +----------------+----------------------------------------------------+ | CIRV | Common Infrastructure Realization & Validation | +----------------+----------------------------------------------------+ | CIS | Center for Internet Security | +----------------+----------------------------------------------------+ | CIT | Cloud Integrity Tool | +----------------+----------------------------------------------------+ | CLI | Command Line Interface | +----------------+----------------------------------------------------+ | CM | Configuration Management | +----------------+----------------------------------------------------+ | CNCF | Cloud Native Computing Foundation | +----------------+----------------------------------------------------+ | CNF | Cloud Native Network Function | +----------------+----------------------------------------------------+ | CNI | Container Network Interface | +----------------+----------------------------------------------------+ | CNTT | Cloud iNfrastructure Telco Taskforce | +----------------+----------------------------------------------------+ | CP | Control Plane | +----------------+----------------------------------------------------+ | CPE | Customer Premises Equipment | +----------------+----------------------------------------------------+ | CPU | Central Processing Unit | +----------------+----------------------------------------------------+ | CRD | Custom Resource Definition | +----------------+----------------------------------------------------+ | CRI | Container Runtime Interface | +----------------+----------------------------------------------------+ | CRI-O | OCI compliant CRI implementation | +----------------+----------------------------------------------------+ | CRTM | Core Root of Trust for Measurements | +----------------+----------------------------------------------------+ | CRUD | Create, Read, Update, and Delete | +----------------+----------------------------------------------------+ | CSA | Cloud Security Alliance | +----------------+----------------------------------------------------+ | CSAR | (TOSCA) Cloud Service Archive | +----------------+----------------------------------------------------+ | CSCF | Call Session Control Function | +----------------+----------------------------------------------------+ | CSI | Container Storage Interface | +----------------+----------------------------------------------------+ | CSP | Cloud Service Provider | +----------------+----------------------------------------------------+ | CU | Centralised Unit (O-RAN context) | +----------------+----------------------------------------------------+ | CVC | (LFN) Compliance Verification Committee | +----------------+----------------------------------------------------+ | CVE | Common Vulnerabilities and Exposures | +----------------+----------------------------------------------------+ | DANM | Damn, Another Network Manager | +----------------+----------------------------------------------------+ | DBaaS | Data Base as a Service | +----------------+----------------------------------------------------+ | DC | Data Center | +----------------+----------------------------------------------------+ | DCP | Distributed Control Plane | +----------------+----------------------------------------------------+ | DDoS | Distributed Denial of Service | +----------------+----------------------------------------------------+ | DHCP | Dynamic Host Configuration Protocol | +----------------+----------------------------------------------------+ | DMA | Direct Memory Access | +----------------+----------------------------------------------------+ | DNS | Domain Name System | +----------------+----------------------------------------------------+ | DPDK | Data Plane Development Kit | +----------------+----------------------------------------------------+ | DPI | Deep Packet Inspection | +----------------+----------------------------------------------------+ | DPU | Data Processing Unit | +----------------+----------------------------------------------------+ | DRA | Diameter Routing Agent | +----------------+----------------------------------------------------+ | DRAM | Dynamic Random Access Memory | +----------------+----------------------------------------------------+ | DRTM | Dynamic Root of Trust for Measurements | +----------------+----------------------------------------------------+ | DSP | Digital Signal Processor | +----------------+----------------------------------------------------+ | DU | Distributed Unit (O-RAN context) | +----------------+----------------------------------------------------+ | DVR | Distributed Virtual Routing | +----------------+----------------------------------------------------+ | E2E | End to End | +----------------+----------------------------------------------------+ | EBS | Elastic Block Storage | +----------------+----------------------------------------------------+ | EFI | (BIOS) Extensible Firmware Interface | +----------------+----------------------------------------------------+ | eMBB | Enhanced Mobile BroadBand | +----------------+----------------------------------------------------+ | EMS | Element Management System | +----------------+----------------------------------------------------+ | EPA | Enhanced Platform Awareness | +----------------+----------------------------------------------------+ | EPC | Evolved Packet Core | +----------------+----------------------------------------------------+ | ePDG | Evolved Packet Data GateWay | +----------------+----------------------------------------------------+ | ESXi | (VMware) ESX Integrated | +----------------+----------------------------------------------------+ | eTOM | Enhanced Telecom Operations Map | +----------------+----------------------------------------------------+ | ETSI | European Telecommunications Standards Institute | +----------------+----------------------------------------------------+ | EUAG | Linux Foundation Networking End User Advisory | | | Group | +----------------+----------------------------------------------------+ | EUD | End User Device | +----------------+----------------------------------------------------+ | EULA | End-User License Agreement | +----------------+----------------------------------------------------+ | EVPN | Ethernet Virtual Private Network | +----------------+----------------------------------------------------+ | EVPN | Ethernet VPN | +----------------+----------------------------------------------------+ | F2F | Face-to-Face | +----------------+----------------------------------------------------+ | FC | Fiber Channel | +----------------+----------------------------------------------------+ | FCAPS | Fault, Configuration, Accounting, Performance, | | | Security | +----------------+----------------------------------------------------+ | FFA | Fixed Function Accelerator | +----------------+----------------------------------------------------+ | FPGA | Field Programmable Gate Array | +----------------+----------------------------------------------------+ | FTTx | Fiber to the x | +----------------+----------------------------------------------------+ | FW | Fire Wall | +----------------+----------------------------------------------------+ | FWD | (Traffic) ForWarDed | +----------------+----------------------------------------------------+ | GB | Giga Byte | +----------------+----------------------------------------------------+ | GFS | Global (Linux) File System | +----------------+----------------------------------------------------+ | GGSN | Gateway GPRS Support Node | +----------------+----------------------------------------------------+ | Gi or GiB | Gibibyte (10243) bytes | +----------------+----------------------------------------------------+ | GPRS | General Packet Radio Service | +----------------+----------------------------------------------------+ | GPS | Global Positioning System | +----------------+----------------------------------------------------+ | GPU | Graphics Processing Unit | +----------------+----------------------------------------------------+ | GRE | Generic Routing Encapsulation | +----------------+----------------------------------------------------+ | GSM | Global System for Mobile Communications, | | | previously Groupe Speciale Mobile | +----------------+----------------------------------------------------+ | GSMA | GSM Association | +----------------+----------------------------------------------------+ | GUI | Graphical User Interface | +----------------+----------------------------------------------------+ | GW | Gateway | +----------------+----------------------------------------------------+ | HA | High Availability | +----------------+----------------------------------------------------+ | HCP | Hyperscaler Cloud Provider | +----------------+----------------------------------------------------+ | HDD | Hard Disk Drive | +----------------+----------------------------------------------------+ | HDFS | Hadoop Distributed File System | +----------------+----------------------------------------------------+ | HDV | Hardware Delivery Validation | +----------------+----------------------------------------------------+ | HLR | Home Location Register | +----------------+----------------------------------------------------+ | HOT | (OpenStack) Heat Orchestration Templates | +----------------+----------------------------------------------------+ | HSS | Home Subscriber Server | +----------------+----------------------------------------------------+ | HTML | Hyper Text Markup Language | +----------------+----------------------------------------------------+ | HW | Hardware | +----------------+----------------------------------------------------+ | IaaS | Infrastructure as a Service | +----------------+----------------------------------------------------+ | IaC (IaaC) | Infrastructure as Code (or "as a") | +----------------+----------------------------------------------------+ | IAM | Identity and Access Management | +----------------+----------------------------------------------------+ | ICMP | Internet Control Message Protocol | +----------------+----------------------------------------------------+ | ID | Identifier | +----------------+----------------------------------------------------+ | IDF | (OPNFV) Installer Descriptor File | +----------------+----------------------------------------------------+ | IdP | Identity Provider | +----------------+----------------------------------------------------+ | IDRAC | (Dell) Integrated Dell Remote Access Controller | +----------------+----------------------------------------------------+ | IDS | Intrusion Detection System | +----------------+----------------------------------------------------+ | ILO | (HPE) Integrated Lights-Out | +----------------+----------------------------------------------------+ | IMS | IP Multimedia Subsystem | +----------------+----------------------------------------------------+ | IO | Input/Output | +----------------+----------------------------------------------------+ | IOMMU | Input/Output Memory Management Unit | +----------------+----------------------------------------------------+ | IOPS | Input/Output per Second | +----------------+----------------------------------------------------+ | IoT | Internet of Things | +----------------+----------------------------------------------------+ | IP | Internet Protocol | +----------------+----------------------------------------------------+ | IPAM | IP Address Management | +----------------+----------------------------------------------------+ | IPMI | Intelligent Platform Management Interface | +----------------+----------------------------------------------------+ | IPS | Intrusion Prevention System | +----------------+----------------------------------------------------+ | IPSec | Internet Protocol Security | +----------------+----------------------------------------------------+ | iSCSI | Internet Small Computer Systems Interface | +----------------+----------------------------------------------------+ | IT | Information Technology | +----------------+----------------------------------------------------+ | ITIL | IT Infrastructure Library | +----------------+----------------------------------------------------+ | K8s | Kubernetes | +----------------+----------------------------------------------------+ | KPI | Key Performance Indicator | +----------------+----------------------------------------------------+ | KVM | Keyboard, Video and Mouse | +----------------+----------------------------------------------------+ | LaaS | (Testing) Lab as a Service | +----------------+----------------------------------------------------+ | LAN | Local Area Network | +----------------+----------------------------------------------------+ | LB | Load Balancer | +----------------+----------------------------------------------------+ | LBaaS | Load Balancer as a Service | +----------------+----------------------------------------------------+ | LCM | LifeCycle Management | +----------------+----------------------------------------------------+ | LDAP | Lightweight Directory Access Protocol | +----------------+----------------------------------------------------+ | LFN | Linux Foundation Networking | +----------------+----------------------------------------------------+ | LLDP | Link Layer Discovery Protocol | +----------------+----------------------------------------------------+ | LMA | Logging, Monitoring, and Analytics | +----------------+----------------------------------------------------+ | LSR | Label Switching Router | +----------------+----------------------------------------------------+ | MAAS | (Canonical) Metal as a Service | +----------------+----------------------------------------------------+ | MAC | Media Access Control | +----------------+----------------------------------------------------+ | MANO | Management and Orchestration | +----------------+----------------------------------------------------+ | MC-LAG or MLAG | Multi-chassis Link Aggregation Group | +----------------+----------------------------------------------------+ | MEC | Multi-access Edge Computing | +----------------+----------------------------------------------------+ | MGCF | Media Gateway Control Function | +----------------+----------------------------------------------------+ | MGW | Media GateWay | +----------------+----------------------------------------------------+ | Mi or MiB | Mebibyte (10242) | +----------------+----------------------------------------------------+ | ML | Machine Learning | +----------------+----------------------------------------------------+ | ML2 or ML-2 | Modular Layer 2 | +----------------+----------------------------------------------------+ | MME | Mobility Management Entity | +----------------+----------------------------------------------------+ | mMTCs | Massive Machine-Type Communications | +----------------+----------------------------------------------------+ | MPLS | Multi-Protocol Label Switching | +----------------+----------------------------------------------------+ | MRF | Media Resource Function | +----------------+----------------------------------------------------+ | MSAN | MultiService Access Node | +----------------+----------------------------------------------------+ | MSC | Mobile Switching Center | +----------------+----------------------------------------------------+ | MTAS | Mobile Telephony Application Server | +----------------+----------------------------------------------------+ | MVNO | Mobile Virtual Network Operator | +----------------+----------------------------------------------------+ | NaaS | Network as a Service | +----------------+----------------------------------------------------+ | NAT | Network Address Translation | +----------------+----------------------------------------------------+ | NBI | North Bound Interface | +----------------+----------------------------------------------------+ | NEF | Network Exposure Function | +----------------+----------------------------------------------------+ | NF | Network Function | +----------------+----------------------------------------------------+ | NFD | Node Feature Discovery | +----------------+----------------------------------------------------+ | NFP | Network Forwarding Path | +----------------+----------------------------------------------------+ | NFR | Non Functional Requirements | +----------------+----------------------------------------------------+ | NFS | Network File System | +----------------+----------------------------------------------------+ | NFV | Network Function Virtualisation | +----------------+----------------------------------------------------+ | NFVI | Network Function Virtualisation Infrastructure | +----------------+----------------------------------------------------+ | NFVO | Network Function Virtualisation Orchestrator | +----------------+----------------------------------------------------+ | NIC | Network Interface Card | +----------------+----------------------------------------------------+ | NIST | National Institute of Standards and Technology | +----------------+----------------------------------------------------+ | NMS | Network Management System | +----------------+----------------------------------------------------+ | NPL | Network Programming Language | +----------------+----------------------------------------------------+ | NPN | Non-Public Network | +----------------+----------------------------------------------------+ | NPU | Neural Processing Unit | +----------------+----------------------------------------------------+ | NR | New Radio (5G context) | +----------------+----------------------------------------------------+ | NRF | Network Repository Function | +----------------+----------------------------------------------------+ | NS | Network Service | +----------------+----------------------------------------------------+ | NSSF | Network Slice Selection Function | +----------------+----------------------------------------------------+ | NTP | Network Time Protocol | +----------------+----------------------------------------------------+ | NUMA | Non-Uniform Memory Access | +----------------+----------------------------------------------------+ | NVMe | Non-Volatile Memory Express | +----------------+----------------------------------------------------+ | NW | Network | +----------------+----------------------------------------------------+ | OAM | Operations, Administration and Maintenance | +----------------+----------------------------------------------------+ | OCI | Open Container Initiative | +----------------+----------------------------------------------------+ | OCS | Online Charging system | +----------------+----------------------------------------------------+ | ODIM | Open Distributed Infrastructure Management | +----------------+----------------------------------------------------+ | OFCS | Offline Charging System | +----------------+----------------------------------------------------+ | OLT | Optical Line Termination | +----------------+----------------------------------------------------+ | ONAP | Open Network Automation Platform | +----------------+----------------------------------------------------+ | ONF | Open Networking Forum | +----------------+----------------------------------------------------+ | OOB | Out of Band | +----------------+----------------------------------------------------+ | OPEX | Operational Expenditure | +----------------+----------------------------------------------------+ | OPG | (GSMA) Operator Platform Group | +----------------+----------------------------------------------------+ | OPNFV | Open Platform for NFV | +----------------+----------------------------------------------------+ | ORAN | Open Radio Access Network | +----------------+----------------------------------------------------+ | O-RAN | Open RAN | +----------------+----------------------------------------------------+ | OS | Operating System | +----------------+----------------------------------------------------+ | OSD | (Ceph) Object Storage Daemon | +----------------+----------------------------------------------------+ | OSS | Operational Support Systems | +----------------+----------------------------------------------------+ | OSSA | OpenStack Security Advisories | +----------------+----------------------------------------------------+ | OSTK | OpenStack | +----------------+----------------------------------------------------+ | OVP | OPNFV Verified Program | +----------------+----------------------------------------------------+ | OVS | Open Virtual Switch | +----------------+----------------------------------------------------+ | OWASP | Open Web Application Security Project | +----------------+----------------------------------------------------+ | PaaS | Platform as a Service | +----------------+----------------------------------------------------+ | PCF | Policy Control Function | +----------------+----------------------------------------------------+ | PCIe | Peripheral Component Interconnect Express | +----------------+----------------------------------------------------+ | PCI-PT | PCIe PassThrough | +----------------+----------------------------------------------------+ | PCR | Platform Configuration Register | +----------------+----------------------------------------------------+ | PCRF | Policy and Charging Rules Function | +----------------+----------------------------------------------------+ | PDF | (OPNFV) Pod Descriptor File | +----------------+----------------------------------------------------+ | PF | Physical Function | +----------------+----------------------------------------------------+ | PGW | Packet data network GateWay | +----------------+----------------------------------------------------+ | PGW-C | PGW Control plane | +----------------+----------------------------------------------------+ | PGW-U | PGW User plane | +----------------+----------------------------------------------------+ | PIM | Privileged Identity Management | +----------------+----------------------------------------------------+ | PLMN | Public Land Mobile Network | +----------------+----------------------------------------------------+ | PM | Performance Measurements | +----------------+----------------------------------------------------+ | POD | Point of Delivery | +----------------+----------------------------------------------------+ | PRD | Permanent Reference Document | +----------------+----------------------------------------------------+ | PTP | Precision Time Protocol | +----------------+----------------------------------------------------+ | PV | Persistent Volumes | +----------------+----------------------------------------------------+ | PVC | Persistent Volume Claims | +----------------+----------------------------------------------------+ | PXE | Preboot Execution Environment | +----------------+----------------------------------------------------+ | QEMU | Quick EMUlator | +----------------+----------------------------------------------------+ | QoS | Quality of Service | +----------------+----------------------------------------------------+ | R/W | Read/Write | +----------------+----------------------------------------------------+ | RA | Reference Architecture | +----------------+----------------------------------------------------+ | RAM | Random Access Memory | +----------------+----------------------------------------------------+ | RAN | Radio Access Network | +----------------+----------------------------------------------------+ | RBAC | Role-bases Access Control | +----------------+----------------------------------------------------+ | RC | Reference Conformance | +----------------+----------------------------------------------------+ | Repo | Repository | +----------------+----------------------------------------------------+ | RFC | Request for Change | +----------------+----------------------------------------------------+ | RFC | Request for Comments | +----------------+----------------------------------------------------+ | RGW | Residential GateWay | +----------------+----------------------------------------------------+ | RI | Reference Implementation | +----------------+----------------------------------------------------+ | RISC | Reduced Instruction Set Computing | +----------------+----------------------------------------------------+ | RM | Reference Model | +----------------+----------------------------------------------------+ | ROI | Return on Investment | +----------------+----------------------------------------------------+ | RR | Route Reflector | +----------------+----------------------------------------------------+ | RTM | Requirements Traceability Matrix | +----------------+----------------------------------------------------+ | RTM | Root of Trust for Measurements | +----------------+----------------------------------------------------+ | RTT | Round Trip Time | +----------------+----------------------------------------------------+ | RU | Radio Unit (O-RAN context) | +----------------+----------------------------------------------------+ | S3 | (Amazon) Simple Storage Service | +----------------+----------------------------------------------------+ | SA | Service Assurance | +----------------+----------------------------------------------------+ | SaaS | Software as a Service | +----------------+----------------------------------------------------+ | SAML | Security Assertion Markup Language | +----------------+----------------------------------------------------+ | SAN | Storage Area Network | +----------------+----------------------------------------------------+ | SATA | Serial Advanced Technology Attachment | +----------------+----------------------------------------------------+ | SBA | Service Based Architecture | +----------------+----------------------------------------------------+ | SBC | Session Border Controller | +----------------+----------------------------------------------------+ | SBI | South Bound Interface | +----------------+----------------------------------------------------+ | SCAP | Security Content Automation Protocol | +----------------+----------------------------------------------------+ | SDF | (OPNFV) Scenario Descriptor File | +----------------+----------------------------------------------------+ | SDK | Software Development Kit | +----------------+----------------------------------------------------+ | SDN | Software-Defined Networking | +----------------+----------------------------------------------------+ | SDNC | SDN Controller | +----------------+----------------------------------------------------+ | SDNo | SDN Overlay | +----------------+----------------------------------------------------+ | SDNu | SDN Underlay | +----------------+----------------------------------------------------+ | SDO | Standard Development Organisation | +----------------+----------------------------------------------------+ | SDS | Software-Defined Storage | +----------------+----------------------------------------------------+ | SD-WAN | Software Defined Wide Area Network | +----------------+----------------------------------------------------+ | Sec | Security | +----------------+----------------------------------------------------+ | Sec-GW | Security GateWay | +----------------+----------------------------------------------------+ | SF | Service Function | +----------------+----------------------------------------------------+ | SFC | Service Function Chaining | +----------------+----------------------------------------------------+ | SFF | Service Function Forwarder | +----------------+----------------------------------------------------+ | SFP | Service Function Paths | +----------------+----------------------------------------------------+ | SGSN | Serving GPRS Support Node | +----------------+----------------------------------------------------+ | SGW | Serving GateWay | +----------------+----------------------------------------------------+ | SGW-C | SGW Control plane | +----------------+----------------------------------------------------+ | SGW-U | SGW User plane | +----------------+----------------------------------------------------+ | SIEM | Security Information and Event Monitoring | +----------------+----------------------------------------------------+ | SIG | Special Interest Group | +----------------+----------------------------------------------------+ | SIP | Session Initiation Protocol | +----------------+----------------------------------------------------+ | SLA | Service Level Agreement | +----------------+----------------------------------------------------+ | SME | Subject Matter Expert | +----------------+----------------------------------------------------+ | SMF | Session Management Function | +----------------+----------------------------------------------------+ | SMS | Short Message Service | +----------------+----------------------------------------------------+ | SMSC | SMS Center | +----------------+----------------------------------------------------+ | SMT | Simultaneous Multi-Threading | +----------------+----------------------------------------------------+ | SNAT | Source Network Address Translation | +----------------+----------------------------------------------------+ | SNMP | Simple Network Management Protocol | +----------------+----------------------------------------------------+ | SONiC | Software for Open Networking in the Cloud | +----------------+----------------------------------------------------+ | SR-IOV | Single Root Input Output Virtualisation | +----------------+----------------------------------------------------+ | SRTM | Static Root of Trust for Measurements | +----------------+----------------------------------------------------+ | SRV | (Traffic) client-SeRVer traffic | +----------------+----------------------------------------------------+ | SSD | Solid State Drive | +----------------+----------------------------------------------------+ | SSH | Secure SHell protocol | +----------------+----------------------------------------------------+ | SSL | Secure Sockets Layer | +----------------+----------------------------------------------------+ | SUT | System Under Test | +----------------+----------------------------------------------------+ | SW | Software | +----------------+----------------------------------------------------+ | TBC | To Be Confirmed | +----------------+----------------------------------------------------+ | TC | Test Case | +----------------+----------------------------------------------------+ | TCP | Transmission Control Protocol | +----------------+----------------------------------------------------+ | TEC | (GSMA) Telco Edge Cloud | +----------------+----------------------------------------------------+ | TF | Tungsten Fabric | +----------------+----------------------------------------------------+ | TFTP | Trivial File Transfer Protocol | +----------------+----------------------------------------------------+ | TIP | Telecom Infra Project | +----------------+----------------------------------------------------+ | TLB | Translation Lookaside Buffers | +----------------+----------------------------------------------------+ | TLS | Transport Layer Security | +----------------+----------------------------------------------------+ | TOR | Top of Rack | +----------------+----------------------------------------------------+ | TOSCA | Topology and Orchestration Specification for Cloud | | | Applications | +----------------+----------------------------------------------------+ | TPM | Trusted Platform Module | +----------------+----------------------------------------------------+ | TTL | Time To Live | +----------------+----------------------------------------------------+ | TUG | (CNCF) Telco User Group | +----------------+----------------------------------------------------+ | UDM | Unified Data Management | +----------------+----------------------------------------------------+ | UDP | User Datagram Protocol | +----------------+----------------------------------------------------+ | UDR | Unified Data Repository | +----------------+----------------------------------------------------+ | UEFI | Unified Extensible Firmware Interface | +----------------+----------------------------------------------------+ | UHD | Ultra High Definition | +----------------+----------------------------------------------------+ | UI | User Interface | +----------------+----------------------------------------------------+ | UPF | User Plane Function | +----------------+----------------------------------------------------+ | uRLLC | Ultra-Reliable Low-Latency Communications | +----------------+----------------------------------------------------+ | V2I | Vehicle to Infrastructure | +----------------+----------------------------------------------------+ | V2N | Vehicle to Network | +----------------+----------------------------------------------------+ | V2P | Vehicle to Pedestrian | +----------------+----------------------------------------------------+ | V2V | Vehicle to Vehicle | +----------------+----------------------------------------------------+ | V2X | Vehicle-to-everything | +----------------+----------------------------------------------------+ | VA | Virtual Application | +----------------+----------------------------------------------------+ | VAS | Value Added Service | +----------------+----------------------------------------------------+ | V&V | Verification And Validation | +----------------+----------------------------------------------------+ | vCPU | Virtual CPU | +----------------+----------------------------------------------------+ | VF | Virtual Function | +----------------+----------------------------------------------------+ | VI | Vendor Implementation | +----------------+----------------------------------------------------+ | vIDS | Virtualised IDS | +----------------+----------------------------------------------------+ | VIM | Virtualised Infrastructure Manager | +----------------+----------------------------------------------------+ | vIPS | Virtualised IPS | +----------------+----------------------------------------------------+ | VLAN | Virtual LAN | +----------------+----------------------------------------------------+ | VM | Virtual Machine | +----------------+----------------------------------------------------+ | VMM | Virtual Machine Monitor (or Manager) | +----------------+----------------------------------------------------+ | VNF | Virtualised Network Function | +----------------+----------------------------------------------------+ | VNFC | Virtualised Network Function Component | +----------------+----------------------------------------------------+ | VNFM | Virtualisedl Network Function Manager | +----------------+----------------------------------------------------+ | VNI | VXLAN Network Identifier | +----------------+----------------------------------------------------+ | vNIC | Virtual Network Interface Card | +----------------+----------------------------------------------------+ | VoLTE | Voice over LTE | +----------------+----------------------------------------------------+ | VPN | Virtual Private Network | +----------------+----------------------------------------------------+ | VPP | Vector Packet Processing | +----------------+----------------------------------------------------+ | VR | Virtual Reality | +----------------+----------------------------------------------------+ | vRAN | Virtualised Radio Access Network | +----------------+----------------------------------------------------+ | VRF | Virtual Routing and Forwarding | +----------------+----------------------------------------------------+ | VRRP | Virtual Router Redundancy Protocol | +----------------+----------------------------------------------------+ | VTEP | Virtual Termination End Point | +----------------+----------------------------------------------------+ | VTP | (ONAP) VNF Test Platform | +----------------+----------------------------------------------------+ | VxLAN | Virtual Extensible LAN | +----------------+----------------------------------------------------+ | vXYZ | virtual XYZ, e.g., as in vNIC | +----------------+----------------------------------------------------+ | WG | Working Group | +----------------+----------------------------------------------------+ | Wi-Fi | Wireless Fidelity | +----------------+----------------------------------------------------+ | WLAN | Wireless Local Area Network | +----------------+----------------------------------------------------+ | WLC | Wireless LAN Controller | +----------------+----------------------------------------------------+ | WS | WorkStream | +----------------+----------------------------------------------------+