Cumulus Networks Details SDN OpenStack Cloud Innovations [VIDEO]

Monday Jun 8th 2015 by Sean Michael Kerner
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Cumulus Networks CTO discusses how his company is aiming to shake up the SDN space.

Among the myriad vendors in the Software Defined Networking (SDN) landscape, Cumulus Networks has managed to carve out a niche as a leading innovator of open source-based technology. Helping to lead Cumulus Networks is co-founder and CTO Nolan Leake.

In a video interview with Enterprise Networking Planet, Leake discusses some of the new innovations his company is helping to push forward in the SDN space and the Linux-based technology that underpins it all.

At the recent OpenStack Summit in Vancouver, Leake demonstrated a new technology called hierarchical port binding, which enables a cloud network to use multiple types of network segmentation.

"For example, you could use VLANs from the top-of-rack switch to the hypervisor and then use VXLAN to the [network] core," Leake explained.

Leake added that there are a number of benefits to the hierarchical port binding approach. He explained that Cumulus is using VLANs coming out of the hypervisor, since most of the hardware Network Interface Cards (NICs) support offloads to VLAN that aren't yet supported to VXLAN.

"So we use VLAN to get the advantage of the hardware offloads and then VXLAN in the rest of the network to get the advantage of being able to use an IP fabric that we can scale as weide as we want," Leake said.

Watch the full video interview with Nolan Leak, CTO of Cumulus Networks below:

Sean Michael Kerner is a senior editor at Enterprise Networking Planet and InternetNews.com. Follow him on Twitter @TechJournalist.

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