Network Performance Management

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  • BYE packet

    A BYE (or Goodbye) packet is a type of Real-Time Transport Control Protocol (RTCP) packet that is sent when a participant in a multicast event leaves the session.  Definition

  • policy-based networking

    Policy-based networking is the management of a network so that various kinds of traffic - data, voice, and video - get the priority of availability and bandwidth needed to serve the network's users effectively.  Definition

  • source quench

    Using the Internet Control Message Protocol (ICMP), a source quench is a message from one host computer to another telling it to reduce the pace at which it is sending packet to that host.  Definition

  • Source Quench Introduced Delay (SQuID)

    Also see SQUID, a UNIX-based program for caching Web pages and other Internet content closer to the user.  Definition

  • Network Job Entry (NJE)

    Network Job Entry (NJE) is an application designed for the transfer of commands, messages, programs, and jobs among different computing systems in a network.  Definition

  • response time

    According to the IBM Dictionary of Computing (which cites International Organization for Standardization Information Technology Vocabulary as the source), response time is: The elapsed time between the end of an inquiry or demand on a computer system...  Definition

  • FCAPS (fault-management, configuration, accounting, performance, and security)

    FCAPS is a network management framework created by the International Organization for Standardization (ISO). FCAPS categorizes the working objectives of network management into five levels. The five levels are:  fault-management (F), the configuratio...  Definition

  • propagation delay

    Propagation delay, symbolized tpd, is the time required for a digital signal to travel from the input(s) of a logic gate to the output.  Definition

  • bottleneck

    A bottleneck is a stage in a process that causes the entire process to slow down or stop. In a communications context, a bottleneck is a point in the enterprise where the flow of data is impaired or stopped entirely... (Continued)  Definition

  • out-of-band signaling

    Out-of-band signaling is telecommunication signaling (exchange of information in order to control a telephone call) that is done on a channel that is dedicated for the purpose and separate from the channels used for the telephone call.  Definition

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