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  • WAN optimization policy goes deep

    The nature of the branch office is changing. Previously, branch offices were small remote sites with groups of workers that had a single focus, such as sales or customer support. Generally these workers accessed the same narrow set of applications. B...  E-Zine

  • Let the 40 Gigabit Ethernet migration begin

    The need for capacity and speed explodes as network teams build private and hybrid clouds and deliver video throughout their campuses and branch offices. So even if they don’t need 40 GbE today, they’ll need to build networks that can be transitioned...  E-Zine

  • ISSU (in-service software upgrade)

    An ISSU (in-service software upgrade) is a technique for updating software on a network device without taking that device offline and thereby disrupting network services.  Definition

  • carrier network

    A carrier network is the proprietary network infrastructure belonging to a telecommunications service provider such as Verizon, AT&T or Sprint.  Definition

  • MHz

    The megahertz, abbreviated MHz, is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one million hertz (1,000,000 Hz).  Definition

  • smart grid sensor

    A smart grid sensor is a small, lightweight node that serves as a detection station in a sensor network.  Definition

  • smart meter

    A smart meter is an Internet-capable device that measures energy, water or natural gas consumption of a building or home.  Definition

  • pervasive computing (ubiquitous computing)

    Pervasive computing (also called ubiquitous computing) is the growing trend towards embedding processors in everyday objects so they can communicate information.  Definition

  • AAUI (Apple attachment unit interface)

    An AAUI (Apple attachment unit interface) is the 14- or 15-pin port or connection interface on earlier models of Macintosh computers that allowed it to be connected by a short interface cable (or "transceiver") to an Ethernet cable.  Definition

  • fiber to the home (FTTH)

    Fiber to the home (FTTH), also called fiber to the premises (FTTP), is the installation and use of optical fiber from a central point directly to individual buildings such as residences, apartment buildings and businesses to provide unprecedented hig...  Definition

  • customer premises equipment (CPE)

    Customer premises equipment (CPE) is telephone or other service provider equipment that is located on the customer's premises (physical location) rather than on the provider's premises or in between.  Definition

  • port interface card (PIC)

    A port interface card (PIC) is a computer circuit board that provides multiple, diverse interfaces for connections to external networks. In effect, a PIC is an enhanced network interface card (NIC)... (Continued)  Definition

  • See more Definitions on Network Hardware
About Network Hardware

Network hardware options are many. Our resources will help you evaluate and select routers and switches, whether you're buying a stackable switch or a carrier-class router. You'll also learn about router and switch configuration and management.

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