July 2007

  • triple-play network

    A triple-play network is one in which voice, video and data are all provided in a single access subscription... (Continued)

  • multilink PPP

    Multilink PPP is a communications protocol that enables a personal computer (PC) to use two PPP (Point-to-Point Protocol) communications ports as if they were a single port of greater bandwidth... ...

  • operational support system (OSS)

    An operational support system (OSS) is a set of programs that help a communications service provider monitor, control, analyze and manage a telephone or computer network.

  • DSLAM (Digital Subscriber Line Access Multiplexer)

    A DSLAM (Digital Subscriber Line Access Multiplexer) is a network device, usually at a telephone company central office, that receives signals from multiple customer Digital Subscriber Line (DSL) c...

  • dense wavelength division multiplexing (DWDM)

    Dense wavelength division multiplexing (DWDM) is a technology that puts data from different sources together on an optical fiber, with each signal carried at the same time on its own separate light...

  • BGP (Border Gateway Protocol)

    BGP (Border Gateway Protocol) is a protocol for exchanging routing information between gateway hosts (each with its own router) in a network of autonomous systems.

  • point-of-presence (POP)

    On the Internet, a point-of-presence (POP) is an access point from one place to the rest of the Internet.

  • backbone

    A backbone is a larger transmission line that carries data gathered from smaller lines that interconnect with it.

  • switch

    In a telecommunications network, a switch is a device that channels incoming data from any of multiple input ports to the specific output port that will take the data toward its intended destination.

  • cable TV or CATV (community antenna television)

    Cable TV is also known as "CATV" (community antenna television).

  • T-carrier system

    To see the relationship between T-carrier, E-carrier, and DS0 multiples, see digital signal X. The T-carrier system, introduced by the Bell System in the U.S. in the 1960s, was the first successful...

  • peering

    Peering is the arrangement of traffic exchange between Internet service providers (ISPs).

  • optical fiber (fiber optic)

  • broadband

    In general, broadband refers to telecommunication in which a wide band of frequencies is available to transmit information.

  • carrier signal

    A carrier signal is a transmitted electromagnetic pulse or wave at a steady base frequency of alternation on which information can be imposed by increasing signal strength, varying the base frequen...

  • telecommunications

    Telecommunications, also called telecommunication, is the exchange of information over significant distances by electronic means... (Continued)

  • IP Multimedia Subsystem (IMS)

    The IP Multimedia Subsystem (IMS) is a concept for an integrated network of telecommunications carriers that would facilitate the use of IP (Internet Protocol) for packet communications in all know...

  • ROADM (reconfigurable optical add-drop multiplexer)

    An ROADM (reconfigurable optical add-drop multiplexer) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic net...

  • Implementing video on demand

    Video on demand (VoD) implementation best practices are discussed, as well as VoD service, delivery and management models.

  • Fixed mobile convergence: Understanding the landscape

    Fixed mobile convergence (FMC), the convergence of wired and wireless technologies into a single solution, is explained in this tip.