Networking Tutorials and Guides Definitions

  • A

    ARPANET

    ARPANET was the network that became the basis for the Internet. Based on a concept first published in 1967, ARPANET was developed under the direction of the U.S. Advanced Research Projects Agency (ARPA). In 1969, the idea became a modest reality with the interconnection of four university computers.

  • L

    Learning Path: Telephony and Wide Area Networks

    TELEPHONY AND WIDE AREA NETWORKS...circuit - PSTN - Plain Old Telephone Service (POTS) - telephone jacks - dial-up - acoustic coupler - modem - 56flex - 56 Kbps (x2) - handshaking - V.xx standards - local loop - central office - LIDB - dedicated line - BOC - RBOC - Intelligent Network (IN) - Advanced Intelligent Network (AIN) - Signaling System 7 (SS7) - EWSD - erlang (measure of line usage) - frame - frame relay - frame relay access device (FRAD) - ATM - 2600 - ISDN - B-channel - D-channel - terminal adapter - BISDN - HDLC - IDSL - PABX - Direct Inward Dialing (DID) - Automatic Number Identification (ANI) - Dialed Number Identification Service (DNIS) - permanent virtual circuit (PVC) - switched virtual circuit - DSLAM - Voice over IP - VoxML - CAPI - TAPI - splitter - splitterless (DSL) - ATU-R - digital loop carrier View other topics for self-study by visiting our Guide to the Learning Paths.

  • P

    protocol

    In information technology, a protocol (from the Greek protocollon, which was a leaf of paper glued to a manuscript volume, describing its contents) is the special set of rules that end points in a telecommunication connection use when they communicate.

  • R

    router

    In packet-switched networks such as the Internet, a router is a device or, in some cases, software in a computer, that determines the next network point to which a packet should be forwarded toward its destination. (Continued...)

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