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SN blogs: Network performance problems envelop cloud

Diagnosing application performance problems remains the responsibility of the network manager, regardless of where those apps live.

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Interop 2015: Special conference coverage

From the conference floor of Interop 2015 in Las Vegas, SearchNetworking brings you information on the top trends, vendors and developments.

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ICYMI: Juniper upgrades firewall hardware

ICYMI: This week, Juniper upgrades its SRX5800 firewall; Dynatrace announces Best of Web award winners.

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What's next for Extreme Networks following exec shakeup

As Extreme Networks Inc. CEO steps down following a decline in revenue, the industry wonders what's next for the networking vendor.

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Networking Basics

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    local area network (LAN)

    A local area network (LAN) is a group of computers and associated devices connected to a server using a shared common communications line or wireless link.

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    ICMP (Internet Control Message Protocol)

    ICMP (Internet Control Message Protocol) is an error-reporting and message-control protocol that network devices use to report problems in IP packet delivery.

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    optoisolator (optical coupler or optocoupler)

    An optoisolator (also optical coupler or optocoupler) is a component that uses light to transfer electrical signals between circuits to keep them electrically isolated from each other, preventing surges.

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