August 2006

  • node

    In a network, a node is a connection point, either a redistribution point or an end point for data transmissions. In general, a node has programmed or engineered capability to recognize and proces...07 Aug 2006

  • network interface card (NIC)

    A network interface card (NIC) is a computer circuit board or card that is installed in a computer so that it can be connected to a network.07 Aug 2006

  • network computer (NC)

    A network computer (NC) is a concept from Oracle and Sun Microsystems that describes a low-cost personal computer for business networks that, like the NetPC, would be configured with only essential...07 Aug 2006

  • acoustic coupler

    An acoustic coupler is a hardware device that enables a modem (a device that converts signals from analog to digital and from digital back to analog) to connect to a voice circuit.07 Aug 2006

  • ACK

    In some digital communication protocols, ACK is the name of a signal that data has been received successfully (for example, with an acceptable number of errors).07 Aug 2006

  • local area network (LAN)

    A local area network (LAN) is a group of computers and associated devices that share a common communications line or wireless link. Typically, connected devices share the resources of a single proc...07 Aug 2006

  • BOOTP (Bootstrap Protocol)

    BOOTP (Bootstrap Protocol) is a protocol that lets a network user be automatically configured (receive an IP address) and have an operating system booted (initiated) without user involvement.07 Aug 2006

  • Jini

    Jini (pronounced "GEE-nee" like the Arabic word for "magician") is a network architecture concept that Sun Microsystems calls "spontaneous networking." Using Jini, users will be able to plug print...07 Aug 2006

  • jam

    In an Ethernet network, a jam is a signal from one device to all other devices that a collision has occurred. Specifically, the device was trying to send a frame while another device was also tryi...07 Aug 2006

  • jabber (in networks)

    In networks, a jabber is any device that is handling electrical signals improperly, usually with negative results for the rest of the network.07 Aug 2006

  • Jabber

    Jabber is an initiative to produce an open source, XML-based instant messaging platform.07 Aug 2006

  • call failure rate (CFR)

    The call failure rate (CFR) is the percentage of calls to an ISP or any network provider that fail to get through. The CFR is commonly used as a statistical measure in assessing Internet service p...07 Aug 2006

  • weighted fair queueing (WFQ)

    Weighted fair queueing (WFQ) is a method of automatically smoothing out the flow of data in packet-switched communication networks by sorting packets to minimize the average latency and prevent exa...07 Aug 2006

  • signal-to-noise ratio (S/N or SNR)

    In analog and digital communications, signal-to-noise ratio, often written S/N or SNR, is a measure of signal strength relative to background noise.07 Aug 2006

  • PacketHound

    PacketHound is a product that aims to help an enterprise regulate traffic that might otherwise slow services down for all users of a local area network.07 Aug 2006

  • 10-high-day busy period (10HD busy period)

    In designing and assessing networks, the peak load is sometimes measured using the 10HD (10-high-day) busy period method.07 Aug 2006

  • 1000BASE-T

    1000BASE-T is Gigabit Ethernet (1 gigabit is 1000 megabits per second) on copper cables, using four pairs of Category 5 unshielded twisted pair to achieve the gigabit data rate.07 Aug 2006

  • OpenNMS (Open Network Management System)

    OpenNMS (Open Network Management System) is the first enterprise-grade network management platform developed under the open source model.07 Aug 2006

  • Novell Directory Services (NDS)

    Novell Directory Services (NDS) is a popular software product for managing access to computer resources and keeping track of the users of a network, such as a company's intranet,...07 Aug 2006

  • network operations center (NOC)

    A network operations center (NOC) is a place from which administrators supervise, monitor and maintain a telecommunications network.07 Aug 2006