Networking Definitions

  • E

    encoder

    In digital audio technology, an encoder is a program that converts an audio WAV file into an MP3 file, a highly-compressed sound file that preserves the quality of a CD recording.

  • encoding and decoding

    Encoding is the process of putting a sequence of characters (letters, numbers, punctuation, and certain symbols) into a specialized digital format for efficient transmission or transfer. Decoding is the opposite process -- the conversion of a digital signal into a sequence of characters.

  • EPOC

    EPOC is an operating system designed for small, portable computer-telephones with wireless access to phone and other information services.

  • erbium amplifier

    An erbium amplifier, also called optical amplifier or an erbium-doped fiber amplifier or EDFA, is an optical or IR repeater that amplifies a modulated laser beam directly, without opto-electronic and electro-optical conversion.

  • erlang

    The Erlang programming language is not the same thing as the erlang, a unit of traffic density.

  • EtherExpress

    EtherExpress is a technology from Intel that is used in network server adapters (devices that attach the server to the network cable) for Ethernet-based local area networks (LANs).

  • EtherLoop

    EtherLoop, sometimes called next generation DSL or second generation DSL, combines features of Digital Subscriber Line (DSL) with features of Ethernet to provide both voice and data transmission (including Internet connection) over any ordinary phone line at data rates faster than DSL. EtherLoop offers a data transfer rate up to 6 Mbps over distances of up to 21,000 feet.

  • Ethernet

    Ethernet is the most commonly used local area network technology deployed with transmission speeds heading upwards into the gigabits range.

  • Ethernet Glossary

    After you've finished, you can test your knowledge with Quiz #28: Ethernet.

  • Ethernet point-of-presence (EPOP)

    Ethernet point-of-presence (EPOP) is a technology developed by Level 3 Communications that provides widespread access to broadband networks. As a large network increases its bandwidth, it can include large and expanding groups of subscribers. This trend, largely the result of the deployment of fiber optic infrastructure, is expected to continue. Thus, wide-area networks (WANs) are taking on some of the characteristics previously unique to local area networks (LANs). The opposite is also true; LANs are becoming increasingly complex, resembling WANs in miniature.

  • ETSI (European Telecommunications Standards Institute)

    The European Telecommunications Standards Institute (ETSI) is a non-profit organization that establishes telecommunications standards for Europe.

  • Evernet

    The term Evernet has been used to describe the convergence of wireless, broadband, and Internet telephony technologies that will result in the ability to be continuously connected to the Web anywhere using virtually any information device.

  • F

    Fast Ethernet

    Fast Ethernet is a local area network (LAN) transmission standard that provides a data rate of 100 megabits per second (referred to as "100BASE-T").

  • fast retransmit and recovery (FRR)

    In TCP/IP, fast retransmit and recovery (FRR) is a congestion control algorithm that makes it possible to quickly recover lost data packets.

  • fault management

    Fault management is the component of network management concerned with detecting, isolating and resolving problems... (Continued)

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