WAN Definitions
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10 Gigabit Ethernet (10 GbE)
10 Gigabit Ethernet (10 GbE) is a telecommunication technology that offers data speeds up to 10 billion bits per second.
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C
Cisco Performance Routing (PfR)
Cisco Performance Routing (PfR) is a way of sending network packets based on intelligent path control.
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committed information rate (CIR)
Committed information rate (CIR) is the guaranteed rate at which a Frame Relay network will transfer information under normal line conditions.
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D
data center interconnect (DCI)
Data center interconnect (DCI) technology links two or more data centers together to share resources.
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dynamic multipoint VPN (DMVPN)
A dynamic multipoint virtual private network (DMVPN) is a secure network that exchanges data between sites/routers without passing traffic through an organization's virtual private network (VPN) server or router located at its headquarters.
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E
Enhanced Interior Gateway Routing Protocol (EIGRP)
Enhanced Interior Gateway Routing Protocol (EIGRP) is a network protocol that enables routers to exchange information more efficiently than earlier network protocols, such as Interior Gateway Routing Protocol (IGRP) or Border Gateway Protocol (BGP).
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extranet
An extranet is a private network that enterprises use to provide trusted third parties -- such as suppliers, vendors, partners, customers and other businesses -- secure, controlled access to business information or operations.
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F
fax
A fax -- short for 'facsimile' and sometimes called 'telecopying' -- is the telephonic transmission of scanned-in printed material, including text or images.
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file server
A file server is a computer responsible for the storage and management of data files so that other computers on the same network can access the files.
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frame relay
Frame relay is a packet-switching telecommunications service designed for cost-efficient data transmission for intermittent traffic between local area networks (LANs) and between endpoints in wide area networks (WANs).
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L
load balancing
Load balancing is a technique used to distribute network traffic across a pool of servers known as a server farm.
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N
Network as a Service (NaaS)
Network as a service, or NaaS, is a business model for delivering enterprise WAN services virtually on a subscription basis.
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network service provider (NSP)
A network service provider (NSP) is a company that owns, operates and sells access to internet backbone infrastructure and services.
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O
orthogonal frequency-division multiplexing (OFDM)
Orthogonal frequency-division multiplexing (OFDM) is a method of data transmission where a single information stream is split among several closely spaced narrowband subchannel frequencies instead of a single wideband channel frequency.
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P
packet loss
Packet loss is when one or more transmitted data packets fail to arrive at their destination.
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S
SD-branch
SD-branch is a single, automated, centrally managed software-centric platform that replaces or supplements an existing branch network architecture.
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SD-WAN security
SD-WAN security refers to the practices, protocols and technologies protecting data and resources transmitted across software-defined wide area network infrastructure.
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T
TCP/IP
TCP/IP stands for Transmission Control Protocol/Internet Protocol and is a suite of communication protocols used to interconnect network devices on the internet.
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tunneling or port forwarding
Tunneling or port forwarding is the transmission of data intended for use only within a private -- usually corporate -- network through a public network in such a way that the public network's routing nodes are unaware that the transmission is part of a private network.
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V
voice over LTE (VoLTE)
Voice over LTE (VoLTE) is a digital packet technology that uses 4G LTE networks to route voice traffic and transmit data.
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W
WAN (wide area network)
A wide area network (WAN) is a geographically distributed private telecommunications network that interconnects multiple local area networks (LANs).
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WAN optimization (WAN acceleration)
WAN optimization -- also known as WAN acceleration -- is a collection of technologies and techniques used to improve the efficiency of data transfer across a wide area network (WAN) between organizations' centralized data centers and their remote locations.