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WAN Technologies
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ATM
Asynchronous Transfer Mode is a telecommunications standard for high-speed networking, organizing digital data into cell units and transmitting them over a physical medium using digital signal technology.
MPLS
Multiprotocol Label Switching is used for speeding up and shaping network traffic flows. It uses labels for making data forwarding decisions.
VPN
A Virtual Private Network extends a private network across a public network, enabling users to send and receive data across shared or public networks as if their devices were directly connected to the private network.
MPLS VPN
A method to using multiprotocol label switching to create a virtual private network. MPLS VPNs are usually utilized by service providers to offer VPN services over a managed network.
DMVPN
Dynamic Multipoint Virtual Private Network allows branch locations to communicate directly with each other in a secure way over the internet without connecting to the headquarters.
IPsec
Internet Protocol Security is a suite of protocols designed to support secure exchange of packets at the IP layer. It provides security through authentication and encryption of IP packets.
Carrier Ethernet
An extension of Ethernet technology to carrier networks, it provides a ubiquitous, standardized, carrier-class service and network.
Metro Ethernet
Metro Ethernet is a network designed to connect business subscribers to a wide area network or the internet, offering high-speed broadband connection.
SD-WAN
Software-Defined Wide Area Network simplifies the management of wide-area networks by separating the networking hardware from its control mechanism.
ISDN
Integrated Services Digital Network is a set of communication standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network.
SONET/SDH
Synchronous Optical Networking and Synchronous Digital Hierarchy are standardized protocols that transfer multiple digital bit streams over optical fiber using lasers or light-emitting diodes (LEDs).
Frame Relay
A WAN protocol that operates at the physical and data link layers of the OSI model. It's designed for cost-efficient data transmission for intermittent traffic between LANs.
Leased Line
A leased line is a private bidirectional or symmetric telecommunications circuit between two or more locations provided according to a commercial contract.
VSAT
Very Small Aperture Terminal is a satellite communications system that serves home and business users. It consists of small dish antennas and offers broadband internet as well as private data networks.
DWDM
Dense Wavelength Division Multiplexing is a technology that puts data from different sources together on an optical fiber, with each signal carried at the same time on its own separate light wavelength.
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