Network Performance Management

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  • phase-change cooling (vapor cooling)

    Phase-change cooling, also called vapor cooling, is a microprocessor-cooling technology that works according to the same principles as a conventional refrigerator, freezer or air conditioner. The principal components of a phase-change cooling system ...  Definition

  • FECN/BECN (forward explicit congestion notification/backward explicit congestion notification)

    In a frame relay network, FECN (forward explicit congestion notification) is a header bit transmitted by the source (sending) terminal requesting that the destination (receiving) terminal slow down its requests for data.  Definition

  • TCP/IP offload engine (TOE)

    The TCP/IP offload engine (TOE for short) is a technology that is gaining popularity in high-speed Ethernet systems for the purpose of optimizing throughput.  Definition

  • network coding

    Network coding is a method of optimizing the flow of digital data in a network by transmitting digital evidence about messages... (Continued)  Definition

  • Metcalfe's Law

    Metcalfe's Law is expressed in two general ways: The number of possible cross-connections in a network grow as the square of the number of computers in the network increases.  Definition

  • baseboard management controller (BMC)

    A baseboard management controller (BMC) is a specialized service processor that monitors the physical state of a computer, network server or other hardware device using sensors and communicating with the system administrator through an independent co...  Definition

  • packet loss

    Packet loss is the failure of one or more transmitted packets to arrive at their destination... (Continued)  Definition

  • CRC-4 (Cyclic Redundancy Check 4)

    CRC-4 (Cyclic Redundancy Check 4) is a form of cyclic redundancy checking (a method of checking for errors in transmitted data) that is used on E-1 trunk lines.  Definition

  • Usenet

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

  • round-trip time (RTT)

    Round-trip time (RTT), also called round-trip delay, is the time required for a signal pulse or packet to travel from a specific source to a specific destination and back again...(Continued)  Definition

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