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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... 

  • 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... 

  • leaky feeder

    A leaky feeder is a coaxial cable that has small sections of its copper shielding stripped away to allow radio frequency (RF) signals to escape. Leaky feeders, which act as extended antennas, are also called radiating cables. 

  • (TCAM) ternary content-addressable memory

    Ternary content-addressable memory (TCAM) is a specialized type of high-speed memory that searches its entire contents in a single clock cycle, with the term “ternary” referring to its ability to store and query data using three different inputs: 0, ... 

  • commodity hardware

    Commodity hardware, in an IT context, is a device or device component that is relatively inexpensive, widely available and more or less interchangeable with other hardware of its type. 

  • commodity

    A commodity is a type of widely-available product that is not markedly dissimilar from one unit to another. Within a category of commodity, one item or unit can be substituted for another with similar results. Examples of commodities, in the traditio... 

  • VHDCI (Very High Density Cable Interconnect)

    Very High Density Cable Interconnect (VHDCI) is a compact 68-contact multipurpose connection type. VHDCI is optimized for applications that require high-performance but have space limitations. The technology is most commonly used in SCSI-3 hard drive... 

  • 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. 

  • carrier network

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

  • 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). 

  • smart grid sensor

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

  • smart meter

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

  • 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.