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How has SDN evolved over time?

Has SDN run its course, or has the architecture simply evolved? In many current products, data centers and cloud environments, SDN may be closer than you think.

News

Next-generation wireless Wi-Fi 6 gets certified

The Wi-Fi 6 wireless standard is now ready for deployment, thanks to the debut of a certification effort that helps guarantee interoperability.

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Take a practice quiz from the new CCNA 200-301 guide

This practice quiz provides a sneak peek into the new 'CCNA 200-301 Official Cert Guide, Volume 1,' which reflects Cisco's CCNA certification and exam redesigns.

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Read a chapter from the new 'CCNA Official Cert Guide'

Here's a sneak peek at what to expect from Cisco's redesigned CCNA exam directly from 'CCNA 200-301 Official Cert Guide, Volume 1' by author Wendell Odom.

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Networking Basics

  • Get Started

    Take a practice quiz from the new CCNA 200-301 guide

    This practice quiz provides a sneak peek into the new 'CCNA 200-301 Official Cert Guide, Volume 1,' which reflects Cisco's CCNA certification and exam redesigns.

  • Get Started

    Read a chapter from the new 'CCNA Official Cert Guide'

    Here's a sneak peek at what to expect from Cisco's redesigned CCNA exam directly from 'CCNA 200-301 Official Cert Guide, Volume 1' by author Wendell Odom.

  • Get Started

    UDP (User Datagram Protocol)

    UDP (User Datagram Protocol) is an alternative communications protocol to Transmission Control Protocol (TCP) used primarily for establishing low-latency and loss-tolerating connections between applications on the internet.

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Blog: The Network Hub

Sections from across SearchNetworking

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  • Wireless LAN (WLAN)

    Next-generation wireless Wi-Fi 6 gets certified

    The Wi-Fi 6 wireless standard is now ready for deployment, thanks to the debut of a certification effort that helps guarantee interoperability.

  • Campus area network

    Arista Networks improves network visibility

    Arista Networks upgraded its network monitoring and management platform with new features that help automate and improve change management as well as visibility.

  • Telecommunication networking

    Cisco prepares for carrier network overhaul

    Cisco acquisitions in 2019 and 2018 include three that show the company preparing for when carriers will increase spending to ready networks for next-generation business services.

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