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  • 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.  Definition

  • 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.  Definition

  • 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.  Definition

  • OpenNMS (Open Network Management System)

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

  • 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, from a single point of administration.  Definition

  • network operations center (NOC)

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

  • N1

    N1 is Sun Microsystems' strategy for making a network environment as easy to manage as a single machine.  Definition

  • loopback test

    A loopback test is a test in which a signal in sent from a communications device and returned (looped back) to it as a way to determine whether the device is working right or as a way to pin down a failing node in a network.  Definition

  • loopback

    In telephone systems, a loopback is a test signal sent to a network destination that is returned as received to the originator. The returned signal may help diagnose a problem.  Definition

  • network tracking tool (network device management program)

    A network tracking tool, also called a network device management program, is a program that helps a network administrator keep track of moves, additions, and changes (known as MACs) to the hardware infrastructure of a network.  Definition

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