Networking Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing networking and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • C

    Common Management Information Protocol (CMIP)

    Common Management Information Protocol (CMIP) is a network management protocol built on the Open Systems Interconnection (OSI) communication model.

  • computer hardware

    Computer hardware is a collective term used to describe any of the physical components of an analog or digital computer.

  • computer network

    A a computer network, also referred to as a data network, is a series of points or nodes interconnected by communication paths for transmitting, receiving and exchanging data, voice and video traffic.

  • concentrator

    As generally used, a concentrator is a device that acts as an efficient forwarder of data transmission signals.

  • conductance

    Conductance is an expression of the ease with which electric current flows through a substance.

  • connection

    In telecommunication and computing in general, a connection is the successful completion of necessary arrangements so that two or more parties (for example, people or programs) can communicate at a long distance.

  • connection-oriented

    In telecommunications, connection-oriented describes a means of transmitting data in which the devices at the end points use a preliminary protocol to establish an end-to-end connection before any data is sent.

  • 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.

  • Constellation

    Constellation was the early name for the Communicator browser and related programs from Netscape Communications.

  • context-aware network access control

    Context-aware network access control (CANAC) is an approach to managing the security of a proprietary network by granting access to network resources according to contextual-based security policies.

  • control plane (CP)

    The control plane is the part of a network that carries signaling traffic and is responsible for routing.

  • COPS (Common Open Policy Service Protocol)

    COPS (Common Open Policy Service Protocol) is a proposed standard protocol for exchanging network policy information between a policy decision point (PDP) in a network and policy enforcement points (PEPs) as part of overall Quality of Service (QoS) - the allocation of network traffic resources according to desired priorities of service.

  • core router

    A core router is a router that forwards packets to computer hosts within a network (but not between networks).

  • corporate area network (CAN)

    A corporate area network (CAN) is a separate, protected portion of a corporation's intranet.

  • CPNI (Customer Proprietary Network Information)

    In the United States, CPNI (Customer Proprietary Network Information) is information that telecommunications services such as local, long distance, and wireless telephone companies acquire about their subscribers.

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