Network Mgmt Definitions

  • #

    10-high-day busy period (10HD busy period)

    In designing and assessing networks, the peak load is sometimes measured using the 10HD (10-high-day) busy period method.

  • A

    ACK

    In some digital communication protocols, ACK is the name of a signal that data has been received successfully (for example, with an acceptable number of errors).

  • active network

    An active network is a network in which the nodes are programmed to perform custom operations on the messages that pass through the node.

  • akamaize

    For a Web site, to akamaize (pronounced AHK-uh-myez) is to accelerate the delivery of Web files by placing copies on servers closer to the user than the server that delivers the main file for a Web page.

  • APPC (Advanced Program-to-Program Communication or LU 6.2)

    APPC (Advanced Program-to-Program Communication, sometimes called LU 6.2) is a communication protocol and programming interface standard that operates in the presentation layer and the session layer of the Open Systems Interconnection (OSI) communications model.

  • B

    baseboard management controller (BMC)

    A baseboard management controller (BMC) is a specialized service processor that monitors the physical state of a computer, network server or other hardware device using sensors and communicating with the system administrator through an independent connection... (continued)

  • 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.

  • C

    call failure rate (CFR)

    The call failure rate (CFR) is the percentage of calls to an ISP or any network provider that fail to get through. The CFR is commonly used as a statistical measure in assessing Internet service providers.

  • carrier-to-noise ratio (CNR or C/N)

    In communications, the carrier-to-noise ratio, often written CNR or C/N, is a measure of the received carrier strength relative to the strength of the received noise.

  • Cisco Certified Internetwork Expert (CCIE certification)

    Cisco Certified Internetwork Expert (CCIE certification) is a series of technical certifications for senior networking professionals who design, build, implement, maintain and troubleshoot complex enterprise networking infrastructures.

  • Common Management Information Protocol (CMIP)

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

  • Constellation

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

  • CRC-4 (Cyclic Redundancy Check 4)

    CRC-4 (Cyclic Redundancy Check 4) is a form of cyclic redundancy checking (a method of checking for errors in transmitted data) that is used on E-1 trunk lines.

  • crosstalk

    Crosstalk is a disturbance caused by the electric or magnetic fields of one telecommunication signal affecting a signal in an adjacent circuit.

  • cyclic redundancy checking

    Cyclic redundancy checking is a method of checking for errors in data that has been transmitted on a communications link.

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