Data Center Ethernet

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  • vCloud and VEPA: Neither answer is a winner

    vCloud and VEPA fail to address the virtualization networking problem, as both are deemed proprietary and don’t enable networking functions within the vSphere environment. 

  • When physical security breaches are the problem

    Network engineers are so busy dealing with intrusion prevention and firewalling that they forget about physical security breaches. Blogger Ethan Banks has some advice. 

  • Cisco upgrades the Catalyst 6500…but some wonder why

    The Cisco Catalyst 6500 upgrade announced this year didn't excite everyone as expected. Blogger Greg Ferro wonders why Cisco didn't stay focused on the Nexus line instead. 

  • Need 10 GbE optimization? Hardware is not the solution

    10 GbE brings speed, but network latency is still an issue. The answer to 10 GbE optimization can't be found in increasing hardware. Our blogger says it's about the application. 

  • Cius vs. the iPad: Why bother comparing?

    Cisco launched its Cius tablet this year, which focuses on enterprise apps, desktop virtualization and network management, but one blogger says he'd rather have an iPad. 

  • Can Virtual Extensible LAN solve the VLAN problem?

    The Virtual Extensible LAN (VXLAN) protocol could mean the ability to spin off many more VLANs across dispersed data centers. So why does blogger Ivan Pepelnjak take issue? 

  • OpenFlow controllers will only take shape if vendors play nice

    OpenFlow controllers can result in a new level of granular network management and network virtualization on top of commodity hardware, but vendors will have to step out of the way. 

  • Network fabrics may not be the end-all

    Feature-rich network fabrics have been all the rage, but one blogger says the technology is only for creating more bandwidth. Other features should be left to edge software. 

  • A data center networking standard that's not so TRILLing

    In the quest to dump the spanning tree protocol and move to a flat network, the TRILL data center networking standard has taken center stage, but one blogger takes issue. 

  • Top ten 2011 network blogger opinions: Do you agree?

    Network bloggers have a lot to say, but do we care? We should. In the top ten network blogger opinions of 2011, our experts poke holes in TRILL, OpenFlow and 10 GbE optimization.