J - Definitions

  • J

    Jabber

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

  • 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.

  • 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.

  • 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 directly into a network and every other computer, device and user on the network will know that the new device has been added and is available.

  • Joint Academic Network (JANET)

    In the United Kingdom, JANET (Joint Academic Network) is the main backbone network for the UK university system of academic and research computers.

  • jumbo frames

    A jumbo frame is an Ethernet frame with a payload greater than the standard maximum transmission unit (MTU) of 1,500 bytes. 

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