| Term | Definition | Description |
|---|---|---|
| ACI | Application Centric Infrastructure | Reduces TCO (Total Cost of Ownership) automates IT tasks and accelerates data center application deployments |
| ACK | Acknowledgement | Ack is used to respond to the sender when the request is successfully received or a requested process is completed |
| ADC | Application Delivery Controller | An improved load balancer whose purpose is to optimize application performance by maximizing speed and minimizing server overloads |
| AFM | Active Fabric Manager | AFM is a software tool that automates the installation and deployment process of vEPC (Virtual Evolved Packet Core) |
| AM | Acknowledged Mode | AM is one of the modes of RLC (Radio Link Control) which has the capability of retransmission of erroneous received PDUs (Packet Data Unit) |
| AMBR | Aggregate Maximum Bit Rate | AMBR is the maximum allowed total non-GBR (non Guaranteed Bit Rate) throughput to specific APN (Access Point Name) |
| API | Application Program Interface | A set of routines protocols and tools for building software applications |
| APN | Access Point Name | APN is the gateway between a mobile network and PDN usually public internet |
| Application Virtualization | Separates the application software from the operating system that is used to execute it so it can be run in different compute environments. | |
| AS | Access Stratum | A functional layer in the LTE wireless telecom protocol stacks between radio network and user equipment. |
| ASIC | Application-Specific Integrated Circuit | A circuit built and customized for a specific use versus a general purpose circuit.Typically used in purpose-built networking hardware |
| Backend-as-a-Service | A way for developers to link their applications to ‘backend’ cloud storage | |
| BGP | Border Gateway Protocol | A standardized exterior gateway protocol designed to exchange routing and reachability information between autonomous systems (AS) on the Internet |
| BMC/iDRAC | Baseboard Management Controller/ Integrated Dell Remote Access Controller | An on-board microcontroller that monitors the system for critical events by communicating with various sensors on the system board and sends alerts and log events when certain parameters exceed their preset thresholds |
| BSC | Base Station Controller | A critical mobile network component that controls one or more base stations or cell sites |
| BSS | Base Station Sub-system | A traditional cellular telephone network which is responsible for handling traffic and signaling between a mobile phone and the network switching subsystem |
| BTS | Base Transceiver Station | A base transceiver station (BTS) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network |
| Bundle | A customer-orderable solution that consists of all necessary solution software licenses and server networkstorage hardware needed to install and operate the solution as outlined | |
| CC | Cloud Computing | A type of computing that relies on sharing computing resources rather than having local servers or personal devices to handle applications |
| CC | Call Control | Call control decodes addressing information and routes telephone calls from one end point to another |
| CD | Compute Domain | Domain within the NFVI that includes servers and storage |
| CDF | Charging Data Function | |
| CDMA | Code Division Multiple Access | A channel access method used by various radio communication technologies |
| CEPT | European Conference of Postal and Telecommunications Administration | European telecommunications and postal organizations since 1959 |
| CIDR | Classless Inter-domain Routing | Method for allocating IP addresses and routing Internet Protocol packets |
| Circuit-Switched Network | A type of network where the communications between end devices (nodes) must be set up before they can communicate | |
| CLI | Command Line Interface | Means of interacting with a computer program where the user issues commands to the program |
| Cluster | A set of servers dedicaed to OpenStack that can be attached to multiple distribution switches | |
| CN | Compute Node | The hardware configuration that best supports the hypervisor server or Nova compute role |
| Container | Container virtualization is virtualization at the operating system level instead of the hardware level. | |
| COTS | Commercial off-the-shelf | Services that are available in the commercial marketplace bought and used under government contract |
| CS | Circuit Switched | A type of communications in which a dedicated channel (or circuit) is established for the duration of a transmission |
| CSCF | Call Session Control Function | Several roles of SIP servers or proxies collectively called Call Session Control Function (CSCF) are used to process SIP signaling packets in the IMS. A Proxy-CSCF (P-CSCF) is a SIP proxy that is the first point of contact for the IMS terminal |
| CSG | Closed Subscriber Group | A limited set of users with connectivity access to a femtocell |
| DaaS | Desktop-as-a-Service | Separates the desktop environment/applications from the physical device that is typically used to access it and makes it accessible in the cloud. |
| DevOps | Development Operations | An operational model for managing data centers using improved automated deployments shortened lead times between fixes and faster mean time to recovery |
| DHCP | Dynamic Host Control Protocol | A protocol for assigning dynamic IP addresses to devices on a network |
| DL | Downlink | The communication from eNodeB to UE is Downlink communication |
| DMZ | Demilitarized Zone | Physical or logical sub-network that protects an organization’s external-facing services such as Web and email from an untrusted network typically the Internet. |
| DNS | Domain Name System | DNS is the Application layer protocol that translates domain names into IP addresses |
| DPDK | Data Plane Development Kit | A set of data plane libraries and network interface controller drivers for fast packet processing |
| DRX | Discontinuous Reception | A method used in mobile communication to conserve the battery of the mobile device. |
| ECGI | E-UTRAN Cell Global Identifier | |
| ECM | EPS Connection Management | The EPS Connection Management (ECM) states describe the signaling connectivity between the UE and the EPC CONNECTED or IDLE |
| EEA | EPS Encryption Algorithm | EEA is ciphering algorithm applied both to user and control plane |
| EGTP | Evolved GPRS Tunneling Protocol | eGTP provides support for tunnel management including handover procedures within and across LTE networks |
| EMM | EPS Mobile Management | EMM has two states REGISTERED and DEREGISTERED that describe the mobility management states of a UE |
| EMS | Element Management System | Responsible for all systems that provide direct control and management of network elements |
| eNB | E-UTRAN NodeB | |
| eNodeB or eNB | Evolved Node B or E-UTRAN Node B | eNodeB is the hardware in RAN that is the link between UE and Core Network like BTS in GSM networks |
| EP | Elementary Procedure | |
| EPC | Evolved Packet Core | Framework for providing converged voice and data on a 4G Long-Term Evolution (LTE) network |
| EPS | Evolved Packet System | The LTE (UE+RAN) combined with Core Network (EPC) as a whole is known as EPS |
| eRAB | Evolved Radio Access Bearer | eRAB provides connection segment between sending and receiving component in user plane |
| E-RAB | E-UTRAN Radio Access Bearer | |
| ESM | EPS Session Management | EPS Session Management protocol offers support to the establishment and handling of user data in the NAS |
| ESXi | A bare-metal hypervisor that installs directly on top of your physical server and partitions it into multiple virtual machines | |
| ETSI | European Telecommunications Standards Institute | An independent non-profit organization responsible for driving standardization in the telecommunications industry in Europe |
| E-UTRAN | Evolved Universal Terrestrial Radio Access Network | E-UTRAN consists of eNBs providing the E-UTRA user plane and control plane protocol terminations towards the UE. The eNBs are interconnected with each other by means of the X2 interface |
| Foglight | An application management and monitoring solution helping organizations monitor and control the performance of mission-critical applications | |
| FTP | File Transfer Protocol | FTP is a standard network protocol used to transfer computer files from one host to another host over a TCP-based network such as the Internet |
| GBR | Guaranteed Bit Rate | The GBR defines the minimum bit rate that is expected to be available to the PDP context when required |
| GENEVE | Network encapsulation potocol | |
| GERAN | GSM/EDGE Radio Access Network | GERAN is the radio part of GSM/EDGE together with the network that joins the base stations and the base station controllers |
| GGSN | Gateway GPRS Support Node | A is part of the core network that connects GSM-based 3G networks to the Internet |
| GPRS | General Packet Radio Service | GPRS is a packet oriented mobile data service on the 2G and 3G cellular communication system |
| GRE | Generic Routing Encapsulation | A tunneling protocol developed by Cisco Systems that can encapsulate a wide variety of network layer protocols |
| GSM | Global System for Mobile communications | A standard developed by the ETSI to describe the protocols for second-generation |
| GTP | GPRS Tunneling Protocol | GTP is a group of IP-based communications protocols used to carry general packet radio service within LTE |
| GTP-U | GPRS Tunneling Protocol User Plane | Group of IP-based protocols used to carry general packet radio service on user plane |
| GUI | Graphical User Interface | Interface that allows users to interact with electronic devices through graphical icons and visual indicators |
| GUMMEI | Globally Unique MME Identifier | Identifies the MME |
| GUTI | Globally Unique Temporary UE Identity | The purpose of the GUTI is to provide an unambiguous identification of the UE that in an EPS |
| GW | Gateway | A network node equipped for interfacing with another network that uses different protocols |
| HeNB | Home E-UTRAN NodeB | A Home eNodeB or HeNB is the 3GPP’s term for LTE femtocell or Small Cell |
| HFN | Hyper Frame Number | |
| HLR | Home Location Register | Main database of permanent subscriber information for a mobile network |
| HO | Handover | HO is the process when a UE switches from one eNB to another eNB or Process of transferring an ongoing call or data session from one channel connected to the core network to another channel. |
| HRPD | High Rate Packet Data | |
| HSDPA | High Speed Downlink Packet Access | An enhanced 3G (third-generation) mobile-telephony communications protocol in the High-Speed Packet Access (HSPA) family |
| HSS | Home Subscriber Server | HSS is the master user database in EPC holding information of all the registered users |
| HSUPA | High Speed Uplink Packet Access | A 3G mobile telephony protocol in the HSPA family with up-link speeds up to 5.76 Mbit/s |
| HTTP | Hyper Text Transfer Protocol | Underlying protocol used by the World Wide Web to exchange or transfer hypertext |
| Hypervisor | Software that runs virtual machines | |
| IaaS | Infrastructure-as-a-Service | On-demand delivery of computing resources in the cloud that can be used to run applications |
| IBCF | Inter Border Gateway Control | |
| I-CSCF | Interrogating Call State Control Function | A key element in the IMS roaming methodology that enables requests to be routed to the correct Serving Call State Control Function |
| ICT | Information and Communication Technology | The full range of a device and application that plays a role in digital communication ranging from monitors and cell phones to PCs and storage devices |
| IDS | Intrusion Detection System | A passive security device used to monitor all outgoing and incoming network traffic |
| IE | Information Element | The info element contains metadata about a page or section and information about automatic links. |
| IETF | Internet Engineering Task Force | Develops and promotes voluntary Internet standards in particular the standards that comprise the Internet protocol suite |
| IM | Instant Messaging | An online chat application that provides real-time text transmissions over the Internet |
| IMEI | International Mobile Equipment Identity | IMEI uniquely identifies mobile phone set |
| IMS | IP Multimedia Subsystem | IMS is an architectural framework for delivering internet protocol (IP) multimedia to mobile users |
| IMSI | International Mobile Subscriber Identity | Identifies the user of a cellular network and is a unique identification associated with all cellular networks |
| IOT | Interoperability Test | Interoperability test involves testing whether a given software program or technology is compatible with others and promotes cross-use functionality |
| IP | Internet Protocol | Method or protocol by which data is sent from one computer to another on the Internet |
| IPAM | IP address management | Means of planning tracking and managing the Internet Protocol address space used in a network |
| IP-CAN | IP Connectivity Access Network | IP is an access network that provides Internet Protocol (IP) connectivity |
| IPS | Intrusion Prevention System | Protects against a broad array of attacks. They accept or deny traffic based on source Internet Protocol (IP) address destination IP address service/protocol and some application-level analysis and verification |
| ISIS | Intermediate System-to-Intermediate System Protocol | IS-IS is an Interior Gateway Protocol (IGP) for routing OSI |
| ITU | International Telecommunications Union | The United Nations agency responsible for Information and communications technology (ICT) with a mission to connect all the world’s people |
| IXIA | A company that provides tools for network testing | |
| LAG | Link Aggregation Group | Methods to provide more than one link between two switches and automate its configuration and maintenance |
| LAI | Location Area Identifier | Each location area of a public land mobile network (PLMN) has its own unique identifier which is known as its location area identity |
| LAN | Local Area Network | Private networks of organizations or individuals |
| LOM | LAN on motherboard | A chip capable of network connections that has been embedded directly on the motherboard of a desktop |
| LTE | Long Term Evolution | LTE is a standard for wireless communication of high-speed data for mobile phones and data terminals |
| MANO | Management and Orchestration | Manage the NFVI and orchestrate the allocation of the resources needed by the VNF’S (Viirtual Network Functions) and NS (Network Services) |
| MBG | Mobile Broadband Gateway | MBG allows the connection of UE to broadband internet |
| MBMS | Multimedia Broadcast Multicast Service | A point-to-multipoint interface specification for existing and upcoming 3GPP cellular networks |
| MCC | Mobile Country Code | A short numeric code that is used in identifying mobile stations in wireless telephone networks |
| MM | Mobility Management | Mobility management is one of the major functions of a GSM or a UMTS network that allows mobile phones to work. |
| MME | Mobility Management Entity | MME is responsible for idle mode UE paging and tagging procedure including retransmissions. It is involved in the bearer activation/deactivation process and is also responsible for choosing the SGW for a UE at the initial attach and at time of intra-LTE handover involving Core Network (CN) node relocation. It is responsible for authenticating the user (by interacting with the HSS) |
| MMI | Man Machine Interface | MMI is a software application that present information to an operator or user about the state of a process |
| MNC | Mobile Network Code | The Mobile Network Code (MNC) is a two digit code (North America) or three digit code (European Standard) that is used in combination with a Mobile Country Code to identify a mobile network operator uniquely. |
| MO | Management Object | MO is used for configuration settings of the UE |
| MOC | Mobile Originated Call | Mobile/MS that initiates a call |
| MOCN | Multi Operator Core Network | |
| MS | Mobile Station | Comprises all user equipment and software needed for communication with a mobile network |
| MSC | Mobile services Switching Center | Controls the network switching subsystem elements |
| MSIN | Mobile Subscriber Identification Number | A unique number to identify subscribers in a mobile network |
| MT | Mobile Terminated | A message that goes out from a system and is received by the subscriber’s mobile device |
| MTC | Mobile Terminated Call | Destination Mobile/MS for which the call has been initiated |
| NAS | Non Access Stratum | NAS is a functional layer between the CN and UE. It is used to manage the establishment of communication sessions and for maintaining continuous communication with UE as it moves |
| NAT | Network Address Translation | A methodology of remapping one IP address space into another by modifying network address information in Internet Protocol (IP) datagram packet headers while they are in transit across a traffic routing device |
| NAT | Network Address Translation | The ability to translate a private Internet Protocol (IP) address or a group of IP addresses into a single public IP address |
| NF | Network Function | Functional block within a network infrastructure that has well-defined external interfaces and well-defined functional behaviour |
| NFV | Network Functions Virtualization | NFV is the concept of replacing dedicated network appliances with software running on commercial off-the-shelf servers |
| NFV Component | Network Function Virtualization Component | |
| NFVI | Network Functions Virtualization Infrastructure | Totality of all hardware and software components that build up the environment in which VNFs are deployed |
| NFVI-PoP | Network Function Virtualisation Infrastructure Point of Presence | N-PoP where a Network Function is or could be deployed as Virtual Network Function |
| NFVI-PoP) | Network Function Virtualisation Infrastructure Point of Presence | N-PoP where a Network Functions is or could be deployed as Virtual Network Function |
| NIC | Network Interface Controller | Device in a compute node that provides a physical interface with the infrastructure network |
| NMS | Network Management System | A platform that enables the monitoring and management of a networ |
| NNSF | NAS Node Selection Function | |
| NRT | Non-Real Time | A process or event that does not occur immediately |
| NSX | VMware NSX is the network virtualization platform for the Software-Defined Data Center | |
| ODL | Open Day Light | A collaborative open source project hosted by The Linux Foundation to accelerate the adoption of software-defined networking (SDN) and create a solid foundation for Network Functions Virtualization |
| OME | Open Manage Essentials | A systems management console that provides simple basic Dell hardware management and is available as a free download |
| OMNM | Open Manage Network Manager | |
| ONF | Open Networking Foundation | |
| ONOS | Open Network Operating System | ONOS is the SDN network operating system for service providers architected for performance high availability scale-out and well-defined northbound and southbound abstractions and interfaces |
| Open Stack | OpenStack is a free and open-source software platform for cloud-computing mostly deployed as an infrastructure-as-a-service | |
| OpenMANO | OpenMANO NFV orchestration stack is designed to implement the Management and Orchestration reference architecture | |
| OPNFV | Open platform for NFV | OPNFV aims to be a carrier-grade integrated platform that introduces new products and services to the industry more quickly |
| Orchestration System | Provides automated configuration coordination and management of complex computing networks systems and services | |
| OSPF | Open Shortest Path First | A routing protocol for Internet Protocol networks. |
| OSPF | Open Shortest Path First | A routing protocol for Internet Protocol (IP) networks. |
| OSS | Operations Support System | A platform used by service providers and telecom operators to support all their network systems |
| Overlays- Network | An overlay network is a telecommunications network that runs independently on top of another one although supported by its infrastructure | |
| OVN | Open Virtual Network | Open source virtual networking for Open vSwitch that provides L2/L3 virtual networking |
| OVS | Open vSwitch | A production-quality open-source implementation of a distributed virtual multilayer switch |
| PaaS | Platform-as-a-Service | A category of cloud computing services that provides a platform allowing customers to develop run and manage web applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app |
| PCEF | Policy and Charging Enforcement Function | PCEF enforces policy decisions that are received from PCRF |
| PCO | Protocol Configuration Option | PCO is used to set primary and secondary DNS in MME |
| PCRF | Policy Control and Charging Rules Function | PCRF is the software node designated in real-time to determine policy rules in a multimedia network |
| PDCP | Packet Data Convergence Protocol | One of the layers of the Radio Traffic Stack in LTE |
| PDN | Public Data Network | Provides data transmission services for the public |
| PDP | Packet Data Protocol | A packet transfer protocol used in wireless GPRS/HSDPA networks |
| PDU | Protocol Data Unit | Refers to a group of information added or removed by a layer of the OSI model |
| P-GW | PDN Gateway | Communicates with the outside world ie. packet data networks PDN using SGi interface |
| PLMN | Public Land Mobile Network | A network that is established and operated by an administration or by a recognized operating agency (ROA) for the specific purpose of providing land mobile telecommunications services to the public |
| PNF | Physical Network Function | Implementation of a NF via a tightly coupled software and hardware system |
| PS | Packet Switched | A digital networking communications method that groups all transmitted data into suitably sized blocks called packets |
| PSS | Primary Synchronization Signal | PSS are the signals broadcasted in all coverage directions and are required when UE connects first time to a cell or is looking to make cell handover |
| PSTN | Public Switched Telephone Network | PSTN is the aggregate of the world’s circuit-switched telephone networks that are operated by national regional or local telephony operators providing infrastructure and services for public telecommunication |
| PTM | Point To multipoint | Communication which is accomplished via a distinct type of one-to-many connection |
| P-TMSI | Packet-Temporary Mobile Subscriber Identity | A temporary identity issued to a GPRS (General Packet Radio Service) enabled mobile and unique within a given RA (Routing Area) and is used by the GPRS network to page the specified mobile |
| PTP | Point To Point | Refers to a communications connection between two nodes or endpoints |
| QCI | QoS Class Identifier | QCI ensures that bearer traffic is allocated appropriate QoS |
| QoS | Quality of Service | QoS is the overall performance of a telephony or computer network particularly the performance seen by the users of the network |
| RAB | Radio Access Bearer | Represents the logical connection between UE (User Equipment) and Core Network |
| RAC | Routing Area Code | Routing Area Code is a fixed length of 1 octet and identifies a routing area within a location area |
| RAN | Radio Access Network | A wireless network that uses radio frequencies |
| RB | Resource Block | The OFDM symbols are grouped into resource blocks |
| RFCI | RAB subFlow Combination Indicator | |
| RIM | RAN Information Management | |
| RLC | Radio Link Control | RLC protocol layer exists in UE & eNodeb providing different control services |
| RRC | Radio Resource Control | RRC handles the control plane signalling |
| RTS | Ready to Ship | |
| SaaS | Software as a Service | A software distribution model in which applications are hosted by a vendor or service provider and made available to customers over a network |
| SAH | Solution Admin Host | A physical server that supports the infrastructure roles needed for the cluster |
| SBC | Session Border Controller | A session border controller (SBC) is a dedicated hardware device or software application that governs the manner in which phone calls are initiated conducted and terminated on a Voice over Internet Protocol (VoIP) network. Phone calls are referred to as sessions |
| Scale In/Out | To add more nodes to a system | |
| Scale Up/Down | To add resources to a single node in a system | |
| SCTP | Stream Control Transmission Protocol | SCTP is a transport layer protocol serving in a similar role to the popular protocols TCP and UDP |
| SDN | Software-defined networking | Enables organizations to accelerate application deployment and delivery dramatically reducing IT costs through policy-enabled workflow automation |
| SD-WAN | Software-Defined Wide Area Network | A specific application of software-defined networking (SDN) technology applied to WAN (Wide Area Network) connections which are used to connect enterprise networks |
| Service Descriptors | A service descriptor is a file containing properties that describes how the internals of a transport is configured | |
| SGW | Serving Gateway | SGW transports user IP data traffic between UE and the external networks |
| SIP | Session Initiation Protocol | SIP is a communications protocol for signaling and controlling multimedia communication sessions |
| SSH | Secure Shell | UNIX-based command interface and protocol for securely getting access to a remote computer |
| TA | Tracking Area | Tracking Area is a logical concept of an area where a user can move around without updating the MME |
| TAU | Tracking Area Update | Whenever a user enters a new tracking area it generates TAU to update the EPC |
| Tester tool | Tool to emulate service requests for VNFs | For Example: IXIA Landslide NG40 |
| TFT | Traffic Flow Template | TFT is a series of data filters that allow the GPRS core network to classify packets received from an external network into the correct PDP context |
| TIA | Telecomunications Industry Association | Accredited by the American National Standards Institute (ANSI) to develop voluntary consensus-based industry standards for a wide variety of Information and Communication Technologies (ICT) |
| T-IMSI | Temporary International Mobile Subscriber Identity | A pseudo-random number generated from the IMSI (International Mobile Subscriber Identity) number |
| Transaction | Unit of service for VNF component | E.g. for IMS SIP sessions For EPC UE connect requests |
| UDB | User Database | Database server product developed by IBM. |
| UE | User Equipment | UE is any device used directly by an end-user to communicate |
| UL | Uplink | The communication from UE to eNodeB is Downlink communication |
| UM | Unacknowledged Mode | UM is one of the modes of RLC (Radio Link Control) which does not have the capability of retransmission of erroneous received PDUs (Packet Data Unit) |
| URL | Uniform Resource Locator | A reference to a web resource that specifies its location on a computer network |
| vCenter | A management platform that allows the centralized management of all ESXi hosts and the virtual machines that run on those ESXi hosts | |
| VCM | Virtual Core for Mobile | A Product by Brocade |
| VDU | Virtualisation Deployment Unit | Construct that can be used in an information model supporting the description of the deployment and operational behaviour of a subset of a VNF or the entire VNF if it was not componentized in subsets |
| VEM | VCM Element Management | |
| vEPC | Virtual Evolved Packet Core | Virtualised framework for providing converged voice and data on a 4G Long-Term Evolution (LTE) network |
| vFW | Virtual Firewall | A network firewall service or appliance running entirely within a virtualized environment and which provides the usual packet filtering and monitoring provided via a physical network firewall |
| VIM | Virtual Infrastructure Manager | Virtual Infrastructure Manager is a software responsible for ensuring that physical and virtual resources work smoothly |
| vLB | Virtual Load Balancer | Splits up incoming online traffic to ease the cumulative workload of a server setup |
| VLT | Virtual Link Trunk | A combined port channel between an attached device and VLT peer switches |
| VLTi | Virtual Link Trunk Interconnect | An interconnect used to synchronize states between the VLT (Virtual Link Trunk) peer switches |
| VM | Virtual Machine | Virtualized computation environment that behaves very much like a physical computer/server |
| VNF | Virtualized Network Function | VNF is responsible for handling specific network functions running in virtual machines on top of networking infrastructure |
| VNF-D | VNF Descriptor | Controls deployment behaviour and operational behaviour of a VNF(Virtualised Network Function) |
| vNIC | Virtual Network Interface Card | A vNIC is a software driver that uses no physical hardware components to create a connection between two or more devices on a network |
| VoIP | Voice Over Internet Protocol | A set of technologies that enable the delivery of voice communications over the Internet |
| vRouter | Virtualised Router | A software-based routing framework that allows the host machine to perform as a typical hardware router over a local area network |
| vSphere | Virtualised Sphere | It is a VMware’s cloud computing virtualization operating system |
| vStorage | Virtualised storage | Ethernet switch implemented by the hypervisor that interconnects vNICs of VMs with each other and with the NIC of the compute node |
| vSwitch | Virtualised switch | Vitualised non-volatile storage allocated to a VM |
| VTEP | VXLAN Termination End Point | Facilitates boundary transitions at wire speed. |
| WAN | Wide Area Network | A wide area network (WAN) is a telecommunications network or computer network that extends over a large geographical distance. |
| WAN accelerator | Wide Area Network accelerator | A WAN accelerator is an appliance that optimizes bandwidth to improve the end user’s experience on a wide area network (WAN) |
| WLAN | Wireless Local Area Network | A network that connects two or more devices using a wireless distribution method and provides access to the public Internet |