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  • 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). 

  • 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 printers, storage devices, speakers or any kind of device ... 

  • 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 trying to put a frame on the line. 

  • 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 providers. 

  • 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. 

  • 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. 

  • 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. 

  • OpenNMS (Open Network Management System)

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

  • 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. 

  • network operations center (NOC)

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