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...

  • 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.

  • Ethernet as a service: Best practices for delivery

    Ethernet services can offer providers many benefits as well as the opportunity to lead customers into the managed services space. This tip offers best practices for providing Ethernet as a service.