.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. SPDX-License-Identifier: CC-BY-4.0
.. Copyright (C) 2020 highstreet technologies and others

.. contents::
   :depth: 3
..

Abbreviations
=============

+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Abbreviation | Description                                                                                                                                                                  |
+==============+==============================================================================================================================================================================+
| AAF          | `Application Authorization Framework <https://wiki.onap.org/display/DW/Application+Authorization+Framework+Project>`__                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| A&AI         | `Active & Available Inventory <https://wiki.onap.org/display/DW/Active+and+Available+Inventory+Project>`__                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| AAA          | `Authentication,Authorization and Accounting <https://en.wikipedia.org/wiki/AAA_(computer_security)>`__                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| AID          | Architecture Integration Document                                                                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| APPC         | `ApplicationController <https://wiki.onap.org/display/DW/Application+Controller+Project>`__                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| BPEL         | Business Process Execution Language                                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| BPMN         | `Business Process Model and Notation or Business Process Management Notation <https://en.wikipedia.org/wiki/Business_Process_Model_and_Notation>`__                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| BRMS         | Business Rules Management System                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| BSS          | Business Support System                                                                                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CCSDK        | Common Controller SDK project                                                                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CDAP         | `Cask Data Application Platform <https://cdap.io/>`__                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CDS          | Controller Design Studio                                                                                                                                                     |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CI/CD        | Continuous Integration / Continuous Delivery                                                                                                                                 |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CL           | Control Loop                                                                                                                                                                 |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CLAMP        | Closed Loop Automation Management Platform (project)                                                                                                                         |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CLI          | `Command Line Interface (project) <https://wiki.onap.org/display/DW/Command+Line+Interface+Project>`__                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CMA          | Change Management Application (within ONAP)                                                                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CNF          | Cloud Native network Function.                                                                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| COE          | Container Orchestration Engine                                                                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CPE          | Customer Premise Equipment                                                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CSAR         | `Cloud Service ARchive (link) <https://openbaton.github.io/documentation/tosca-CSAR-onboarding/>`__                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DAO          | `Data Access Object <https://en.wikipedia.org/wiki/Data_access_object>`__                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DCAE         | `Data Collection Analytics & Events <https://wiki.onap.org/pages/viewpage.action?pageId=6592895>`__                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DDoS         | Distributed Denial-of-Service attack                                                                                                                                         |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DG           | Directed Graph                                                                                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DG Builder   | Directed Graph Builder                                                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DMaaP        | `Data Movement as a Platform <https://wiki.onap.org/display/DW/DMaaP>`__                                                                                                     |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DME          | `Direct Messaging Engine (common service within ONAP) <https://wiki.onap.org/display/DW/Common+Services>`__                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DNS          | Domain Name System                                                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DPDK         | Data Plane Development Kit                                                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| EELF         | `Event and Error-Logging Framework <https://wiki.onap.org/display/DW/Common+Services>`__                                                                                     |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| EMS          | `Element Management System <https://en.wikipedia.org/wiki/Element_management_system>`__                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ESR          | `External System Register <https://wiki.onap.org/pages/viewpage.action?pageId=5734948>`__                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ETSI         | `European Telecommunications Standards Institute <https://www.etsi.org/technologies/689-network-functions-virtualisation>`__                                                 |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| EUAG         | `ONAP End User Advisory Group <https://wiki.lfnetworking.org/pages/viewpage.action?pageId=2916362>`__                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| FCAPS        | Fault Configuration Accounting Performance Security                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| GBP          | `Group-Based Policy <https://wiki.openstack.org/wiki/GroupBasedPolicy>`__                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| GNFC         | `Generic Network Function Controller <https://wiki.onap.org/download/attachments/45300148/ONAP_GNF_ControllersSOL003.pptx?version=1&modificationDate=1548619943000&api=v2>`__|
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| GUI          | `Graphical User Interface <https://en.wikipedia.org/wiki/Graphical_user_interface>`__                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| HAS          | `Homing and Allocation Service <https://wiki.onap.org/pages/viewpage.action?pageId=16005528>`__                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| HDFS         | Hadoop Distributed File System                                                                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| HPA          | Hardware Platform Awareness                                                                                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| HTTP         | HyperText Transfer Protocol                                                                                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| HV VES       | `High Volume Virtual function Event Stream <https://wiki.onap.org/display/DW/High+Volume+VES+Collector>`__                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| IAM/IDAM     | Identity and Access Management                                                                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ICE          | Incubation and Certification Environment                                                                                                                                     |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| IDS          | `Intrusion Detection System <https://en.wikipedia.org/wiki/Intrusion_detection_system>`__                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| IETF         | `Internet Engineering Task Force <https://www.ietf.org>`__                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| IKE          | `Internet Key Exchange <https://en.wikipedia.org/wiki/Internet_Key_Exchange>`__                                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| IPS          | `Intrusion Prevention System <https://en.wikipedia.org/wiki/Intrusion_detection_system>`__                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| IPSEC        | `Internet Protocol Security <https://en.wikipedia.org/wiki/IPsec>`__                                                                                                         |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| JAR          | `Java Archive <https://en.wikipedia.org/wiki/JAR_(file_format)>`__                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| JSC          | `Java Service Container <https://wiki.onap.org/display/DW/Common+Services>`__                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| JSON         | JavaScript Object Notation                                                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| LCM          | Life Cycle Management                                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| LFN CVC      | `Linux Foundation Networking Compliance/Verification Committee <https://wiki.onap.org/display/DW/LFN+CVC+Testing+in+VNFSDK>`__                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| LFN CVP      | `Linux Foundation Networking Compliance/Verification Program <https://wiki.onap.org/display/DW/LFN+CVC+Testing+in+VNFSDK>`__                                                 |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| LRM          | Local Resource Monitor                                                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| M0           | Release Kick-off milestone. See also Release Lifecycle                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| M1           | Release Planning milestone. See also Release Lifecycle                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| M2           | Release Functionality Freeze milestone.  See also Release Lifecycle                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| M3           | Release API Freeze milestone.  See also Release Lifecycle                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| M4           | Release Code Freeze milestone.  See also Release Lifecycle                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MACD         | (Vendor specific) Move Add Change Delete/Disconnect                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MANO         | MANagement and Organization of NFV                                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MD-SAL       | Model Driven Service Abstraction Layer                                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MR           | Message Router (a Common Service of ONAP)                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MOP          | Method of Procedure                                                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MOTS         | Mechanized Operations Tracking System                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MSB          | Microservice Bus                                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MVP          | `Minimum Viable Product <https://en.wikipedia.org/wiki/Minimum_viable_product>`__                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| MVP          | Minimum Viable Plan (O-RAN Alliance                                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NAI          | Network Artificial Intelligence                                                                                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NANCSP       | Network Cloud Service Provider                                                                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NBI          | North Bound Interface                                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NEP          | Network Equipment Provider                                                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NETCONF      | `Network Configuration Protocol <https://en.wikipedia.org/wiki/NETCONF>`__                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NFV          | `Network Function Virtualization <https://en.wikipedia.org/wiki/Network_function_virtualization>`__                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NFVI         | Network Functions Virtualization Infrastructure                                                                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NOD          | Network On Demand                                                                                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NS           | Network Services                                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NS           | (Vendor Specific) New Start                                                                                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| O-CU         | O-RAN Centralized Unit                                                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| O-DU         | O-RAN Distributed Unit                                                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| O-RAN        | `O-RAN Alliance, Operator Defined Next Generation Radio Access Networks Alliance <https://www.o-ran.org>`__                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| O-RAN-SC     | `O-RAN Software Community <https://o-ran-sc.org>`__                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| O-RU         | O-RAN Radio Unit                                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OAM          | Operation and Maintenance                                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OA&M         | Operations, Administration and Management                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OMF          | Operational Management Framework (of ONAP)                                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OMSA         | ONAP Microservice Architecture                                                                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ONAP         | `Open Network Automation Platform <https://wiki.onap.org/display/DW/ONAP+Developer+Wiki>`__                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OOF          | ONAP Optimization Framework                                                                                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ODL          | `OpenDaylight <https://www.opendaylight.org/>`__                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OOM          | `ONAP Operations Manager <https://wiki.onap.org/display/DW/OOM+User+Guide>`__                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OPNFV        | `Open Platform for NFV Project <https://www.opnfv.org>`__                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OSAM         | `Open Source Access Manager <https://wiki.onap.org/display/DW/OpenSource+Access+Manager+%28OSAM%29+Use+Case>`__                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OSC          | O-RAN Software Community or Optical Supervisory Channel                                                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| OSS          | Operations Support System                                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PAP          | Policy Administration Point (ONAP)                                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PCE          | Path Computation and Element (ONAP)                                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PCI          | Physical Cell ID                                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| pCPE         | physical Customer Premise Equipment                                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PDP-x        | Policy Decision Point - XACML (ONAP)                                                                                                                                         |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PDP-d        | Policy Decision Point - Drools (ONAP)                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PO           | Platform Orchestrator                                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PoC          | Proof of Concept                                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| POMBA        | `Post Orchestration Model Based Audit <https://wiki.onap.org/display/DW/POMBA>`__                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PNDA         | `Open source Platform for Network Data Analytics <https://wiki.onap.org/display/DW/Integrating+PNDA>`__                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PNF          | Physical Network Function                                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| RCA          | Root Cause Analysis                                                                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| RCT          | Reference Connection Tool                                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| REST         | `Representational State Transfer <https://en.wikipedia.org/wiki/Representational_state_transfer>`__                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| RESTCONF     | A protocol based on HTTP for configuring data defined in YANG                                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| RO           | Resource Orchestrator                                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| RPC          | Remote Procedure Call                                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| S3P          | `Stability, Security, Scalability, Performance <https://wiki.onap.org/pages/viewpage.action?pageId=16003367>`__                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SDC          | Service Design and Creation (component of ONAP for visual modeling and design)                                                                                               |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SCTP         | Stream Control Transmission Protocol (`RFC 4960 <https://datatracker.ietf.org/doc/html/rfc4960>`)                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SDN          | `Software-defined networking <https://en.wikipedia.org/wiki/Software-defined_networking>`__                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SDNC         | `SDN-Controller <https://wiki.onap.org/display/DW/SDN+Controller+Development+Guide>`__                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SDN-R        | `SDN-Radio <https://wiki.onap.org/display/DW/SDN-R>` __                                                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SDN-GP       | Software Defined Network - Global Platform                                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SEBA         | SDN-Enabled Broadband Access, see also                                                                                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SLA          | Service Level Agreement                                                                                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SLI          | Service Logic Interpreter                                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SME          | Subject Matter Expert                                                                                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SMO          | Service Management and Orchestration                                                                                                                                         |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SMTP         | Simple Mail Transfer Protocol                                                                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SNMP         | Simple Network Management Protocol                                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SO           | `Service Orchestrator (project) <https://wiki.onap.org/display/DW/Service+Orchestrator+Project>`__                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SOT          | Source Of Truth                                                                                                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SR-IOV       | `Single-Root Input/Output Virtualization <https://en.wikipedia.org/wiki/Single-root_input/output_virtualization>`__                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SSL          | `Secure Sockets Layer <https://en.wikipedia.org/wiki/Transport_Layer_Security>`__                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SUPP         | (Vendor Specific) short for supplement, changing a connection before activation                                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Swagger      | legacy name for the OpenAPI Specification                                                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| TCP          | Transmission Control Protocol                                                                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| TEM          | Telecom Electronics Manufacturer                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| TLS          | `Transport Layer Security <https://en.wikipedia.org/wiki/Transport_Layer_Security>`__                                                                                        |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| TOSCA        | `Topology and Orchestration Specification for Cloud Applications <https://www.oasis-open.org/committees/tc_home.php?wg_abbrev=tosca>`__                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| TPS          | Transactions Per Second                                                                                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| TSC          | Technical Steering Committee                                                                                                                                                 |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| U-UI         | `Use case User Interface <https://wiki.onap.org/display/DW/Usecase+UI+Project>`__                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| UI           | `User Interface <https://en.wikipedia.org/wiki/User_interface>`__                                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| UX           | `User Experience <https://en.wikipedia.org/wiki/User_experience>`__                                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| vCE          | virtual CE (Customer Edge) router (an example VNF)                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| vCPE         | Virtual Customer Premise Equipment                                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| vDNS         | Virtual Domain Name Server (an example VNF)                                                                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VDU          | `Virtualization Deployment Unit <https://wiki.onap.org/display/DW/Comparison+of+Current+R3+Clean+Version+with+IFA011+v2.5.1>`__                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VES          | Virtual function Event Stream                                                                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| vF           | Virtual Firewall (an example VNF)                                                                                                                                            |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VF           | Virtual Function                                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VFC          | `Virtual Function Controller <https://wiki.onap.org/display/DW/Virtual+Function+Controller+Project>`__                                                                       |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VFC          | Virtual Function Component (Resource Onboarding)                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| vfModule     | Virtual Function Module                                                                                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VID          | Virtual Instantiation Deployment                                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VID          | `Virtual Infrastructure Deployment (Project) <https://wiki.onap.org/display/DW/Virtual+Infrastructure+Deployment+Project>`__                                                 |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VIM          | Virtualized Infrastructure Manager                                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VLAN         | Virtual Local Area Network                                                                                                                                                   |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VM           | Virtual Machine                                                                                                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VNF          | `Virtual Network Function <https://www.techtarget.com/searchnetworking/definition/virtual-network-functions-VNF>`__                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VNFC         | Virtual Network Function Component                                                                                                                                           |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VNFD         | `VNF Descriptor <https://wiki.onap.org/pages/viewpage.action?pageId=8226059>`__                                                                                              |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VNFM         | VNF Manager                                                                                                                                                                  |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VNO          | Virtual Network Operator                                                                                                                                                     |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| vPE          | virtual PE (Provider Edge) router (an example of a VNF)                                                                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VPP          | `Vector Packet Processing <https://wiki.fd.io/view/VPP/What_is_VPP%3F>`__                                                                                                    |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VSP          | Vendor Software Product (from SDC Demo Guide)                                                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VTP          | `VNF Test Platform <https://wiki.onap.org/pages/viewpage.action?pageId=43386304>`__                                                                                          |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| VVP          | `VNF Validation Program <https://wiki.onap.org/display/DW/VNF+Validation+Program+Project>`__                                                                                 |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| WAR          | `Web application Archive <https://en.wikipedia.org/wiki/WAR_(file_format)>`__                                                                                                |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| xNF          | The combination of PNF and VNF; Network Function                                                                                                                             |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| YANG         | Yet Another Next Generation - a Data Modeling Language for the Network Configuration Protocol (NETCONF)                                                                      |
+--------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+