L - Definitions

  • L

    link-load balancer (link balancer)

    A link load balancer, also called a link balancer, is a network appliance that distributes in-bound and out-bound traffic to and from multiple Internet Service Providers (ISPs) links.

  • LMDS (Local Multipoint Distribution System)

    LMDS (Local Multipoint Distribution System) is a system for broadband microwave wireless transmission direct from a local antenna to homes and businesses within a line-of-sight radius, a solution to the so-called last-mile technology problem of economically bringing high-bandwidth services to users.

  • load balancing

    Load balancing is a technique used to distribute workloads uniformly across servers or other compute resources to optimize network efficiency, reliability and capacity.

  • loading coil

    A loading coil is an induction device placed on a local loop longer than 18,000 feet that carries analog signals.

  • local access and transport area (LATA)

    LATA (local access and transport area) is a term in the U.S. for a geographic area covered by one or more local telephone companies, which are legally referred to as local exchange carriers (LECs).

  • local area network (LAN)

    A local area network (LAN) consists of computers and peripherals that share a common communications line or wireless link to a server. LANs are typically located within a distinct geographic area in an office or other facility.

  • local loop

    In telephony, a local loop is the wired connection from a telephone company's central office in a locality to its customers' telephones at homes and businesses.

  • Local Number Portability (LNP)

    Local Number Portability (LNP) is the ability of a telephone customer in the U.S. to retain their local phone number if they switch to another local telephone service provider.

  • Location Routing Number (LRN)

    In the U.S., a Location Routing Number (LRN) is a 10-digit number in a database called a Service Control Point (SCP) that identifies a switching port for a local telephone exchange.

  • location-based service (LBS)

    A location-based service (LBS) is a software application for a mobile device that requires knowledge about where the mobile device is located.

  • Logical Link Control layer (LCL layer)

    The Logical Link Control (LCL) layer is one of two sublayers of the Data-Link layer in the Open Systems Interconnection (OSI) model of communication. The LCL layer is concerned with managing traffic (flow and error control) over the physical medium.

  • logical network

    A logical network is one that appears to the user as a single, separate entity although it might in fact be either just a part of a larger network or an entity connecting multiple networks. A logical network is defined by its IP addressing scheme.

  • logical router

    A logical router is a configured partition of a traditional network hardware, or "physical," router.

  • long-haul optics

    Long-haul optics refers to the transmission of visible light signals over optical fiber cable for great distances, especially without or with minimal use of repeaters.

  • loopback

    In telephone systems, a loopback is a test signal sent to a network destination that is returned as received to the originator. The returned signal may help diagnose a problem.

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