Networking Definitions

  • C

    cloud

    In telecommunications, a cloud is the unpredictable part of any network through which data passes between two end points.

  • coarse wavelength division multiplexing (CWDM)

    Coarse wavelength division multiplexing (CWDM) is a method of combining multiple signals on laser beams at various wavelengths for transmission along fiber optic cables, such that the number of channels is fewer than in dense wavelength division multiplexing (DWDM) but more than in standard wavelength division multiplexing (WDM).

  • coaxial cable

    Coaxial cable is a type of copper cable specially built with a metal shield and other components engineered to block signal interference.

  • COFDM

    COFDM is a modulation scheme that divides a single digital signal across 1,000 or more signal carriers simultaneously.

  • cognitive radio (CR)

    Cognitive radio (CR) is a form of wireless communication in which a transceiver can intelligently detect which communication channels are in use and which are not, and instantly move into vacant channels while avoiding occupied ones... (Continued)

  • collision

    In a half duplex Ethernet network, a collision is the result of two devices on the same network attempting to transmit data at exactly the same time.

  • committed information rate (CIR)

    committed information rate

  • common channel signaling (CCS)

    Common channel signaling (CCS) is signaling (for example, in a T-carrier system line) in which a group of voice-and-data channels share a separate channel that is used only for control signals.

  • 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 network

    In information technology, a computer network, also called a data network, is a series of points, or nodes, interconnected by communication paths for the purpose of 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.

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