Network Performance Management

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  • 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

  • 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 (fault-management, configuration, accounting, performance, and security) is an acronym for a categorical model of the working objectives of network management.  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

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