April 2007

  • 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...11 Apr 2007

  • sniffer

    In common industry usage, a sniffer (with lower case "s") is a program that monitors and analyzes network traffic, detecting bottlenecks and problems.11 Apr 2007

  • What is network latency?

    Learn what network latency is in this expert response.11 Apr 2007

  • spectrum analyzer

    A spectrum analyzer is a laboratory instrument that displays signal amplitude (strength) as a function of frequency...11 Apr 2007

  • 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.11 Apr 2007

  • Source Quench Introduced Delay (SQuID)

    Also see SQUID, a UNIX-based program for caching Web pages and other Internet content closer to the user.11 Apr 2007

  • 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.11 Apr 2007

  • n-tier

    An n-tier application program is one that is distributed among three or more separate computers in a distributed network.11 Apr 2007

  • NBMA (non-broadcast multiple access)

    NBMA (non-broadcast multiple access) is one of four network types in the OSPF (Open Shortest Path First) communications protocol.11 Apr 2007

  • Nagle's algorithm

    Named for its creator, John Nagle, the Nagle algorithm is used to automatically concatenate a number of small buffer messages; this process (called nagling) increases the efficiency of a network ap...11 Apr 2007

  • running disparity (RD)

    Running disparity (RD or rd) is the difference between the number of logic 1 bits and logic 0 bits between the start of a data sequence and a particular instant in time during its transmission.11 Apr 2007

  • 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...11 Apr 2007

  • 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 fiv...11 Apr 2007

  • 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.11 Apr 2007

  • Is going from one Web site to another a download?

    Learn what the true definition of a download is and whether going from one Web site to another falls under this category in this Q&A with Amy Kucharik.11 Apr 2007

  • connectionless

    In telecommunication, connectionless describes communication between two network end points in which a message can be sent from one end point to another without prior arrangement.10 Apr 2007

  • circuit-switched

    Circuit-switched is a type of network in which a physical path is obtained for and dedicated to a single connection between two end-points in the network for the duration of the connection.10 Apr 2007

  • DTE (Data Terminal Equipment)

    In computer data transmission, DTE (Data Terminal Equipment) is the RS-232C interface that a computer uses to exchange data with a modem or other serial device.10 Apr 2007

  • Intelligent Network (IN)

    Intelligent Network (IN) is a telephone network architecture originated by Bell Communications Research (Bellcore) in which the service logic for a call is located separately from the switching fac...10 Apr 2007

  • DCE (Distributed Computing Environment)

    In network computing, DCE (Distributed Computing Environment) is an industry-standard software technology for setting up and managing computing and data exchange in a system of distributed computers.10 Apr 2007