April 2007

  • packet-switched

    Packet-switched describes the type of network in which relatively small units of data called packets are routed through a network based on the destination address contained within each packet.17 Apr 2007

  • hub

    In general, a hub is the central part of a wheel where the spokes come together.17 Apr 2007

  • edge router

    A term used in asynchronous transfer mode (ATM) networks, an edge router is a device that routes data packets between one or more local area networks (LANs) and an ATM backbone network, whether a c...17 Apr 2007

  • Usenet

    Usenet is a collection of user-submitted notes or messages on various subjects that are posted to servers on a worldwide network.17 Apr 2007

  • offline

    Offline is the condition of being capable of but currently not connected to a network of computers or other devices.17 Apr 2007

  • online

    Online is the condition of being connected to a network of computers or other devices.17 Apr 2007

  • runt

    In networks, a runt is a packet that is too small.17 Apr 2007

  • presentation layer

    In the Open Systems Interconnection (OSI) communications model, the presentation layer ensures that the communications passing through are in the appropriate form for the recipient.17 Apr 2007

  • packet

    A packet is the unit of data that is routed between an origin and a destination on the Internet or any other packet-switched network.17 Apr 2007

  • networking chip

    A networking chip is a microprocessor that provides the logic for sending and receiving data (including voice and video) on a telecommunications network so that additional devices are not needed fo...17 Apr 2007

  • internetworking

    Internetworking is a term used by Cisco, BBN, and other providers of network products and services as a comprehensive term for all the concepts, technologies, and generic devices that allow people ...17 Apr 2007

  • protocol-independent multicast (PIM)

    Protocol-independent multicast (PIM) is a set of four specifications that define modes of Internet multicasting to allow one-to-many and many-to-many transmission of information... (Continued)16 Apr 2007

  • SYN scanning

    SYN scanning is a tactic that a malicious hacker (or cracker) can use to determine the state of a communications port without establishing a full connection.16 Apr 2007

  • dynamic packet filter

    A dynamic packet filter is a firewall facility that can monitor the state of active connections and use this information to determine which network packets to allow through the firewall.16 Apr 2007

  • rule base

    In the context of a computer server acting as a firewall, a rule base is a set of rules that govern what is and what is not allowed through the firewall.16 Apr 2007

  • PPP (Point-to-Point Protocol)

    PPP (Point-to-Point Protocol) is a protocol for communication between two computers using a serial interface, typically a personal computer connected by phone line to a server.16 Apr 2007

  • NNTP (Network News Transfer Protocol)

    NNTP (Network News Transfer Protocol) is the predominant protocol used by computer clients and servers for managing the notes posted on Usenet newsgroups.16 Apr 2007

  • CDDI (Copper Distributed Data Interface)

    For a local area network (LAN), CDDI (Copper Distributed Data Interface) is a standard for data transmission based on FDDI (Fiber Distributed Data Interface) that uses shielded twisted-pair (STP) o...16 Apr 2007

  • Packet-Level Procedure (PAP)

    PAP (Packet-Level Procedure) is a full-duplex protocol for transferring packets between parties in an X.25 network.16 Apr 2007

  • Xmodem

    Xmodem is an error-correcting protocol for modem that was created in 1978 by Ward Christensen and became a de facto standard.16 Apr 2007