Artboard Vector Drawing App Review

I tried a new vector drawing app called Artboard. So far I am pretty pleased with it. Clean UI and pretty intuitive. What I like the most is it has a nice amount of clip art to go with it. As a guy with zero artistic skills I rely on software to fix that for me. I have been using …

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New IETF SDN Drafts

Parliament2

New IETF SDN Drafts: A Service Provider SDN IETF Draft: There are four new drafts submitted to the IETF in the past few days. These are all informational drafts and a “work in progress” for the 6 month period after submission. It would be reasonable to expect vendors to seek some disruption to be triggered by having multiple standards bodies get involved …

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TCAMs, SDN/OpenFlow and Why We Care

I recently meet Roy Chua and Matt Palmer over at SDN Central a few weeks ago. They have put together a really nice site dedicated to Software Defined Networks (SDN) and contributing to the community. They are really seasoned IT pros that have great vision. I posted a little bit of a refresher for some, or a primer for others regarding …

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Configuring VXLAN and GRE Tunnels on OpenvSwitch

VXLan Tunnels Post

I have done a couple of GRE tunnel how-tos using OpenvSwitch (OVS). I had been itching to give VXLan a spin in OVS so why not ferret out someones tree on GitHub. I believe VXLan is still scheduled to officially release soon in OpenvSwitch. So here are the steps for installing, configuring tunnels on OpenvSwitch with VXLan and GRE encapsulations. …

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The Birth of an SDN Unicorn – Early OpenFlow Meeting Notes

OpenFlow Logo

The Birth of an SDN Unicorn – Early OpenFlow Meeting Notes: I wanted to share something I found very fun to read. These are the OpenFlow notes from the working group meetings at Stanford from 2010. The conversations are fascinating and the notes read like a book. While fun to read, I think it’s important to see what goes on …

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It’s OK to Like OpenFlow

  A trend is happening, seems like a recurring theme from vendors or pundits the past year has been to point out SDN is much larger than just OpenFlow. My question is, who thinks that SDN is exclusively OpenFlow? I am looking for the person who thinks this so I can understand the fuss. What is SDN? We already have …

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Comparing Vmware vs. OpenStack

openstack-logo

Comparing Vmware vs. OpenStack: I ran into a great slide deck Mirantis comparing VMware and OpenStack (Essex) and wanted to share it. I am not affiliated with Mirantis. I started to research a side by side comparison between OpenStack and VMware. The slide deck is really good and deserves more than a Tweet. VMware is a good tool for many …

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Cisco onePK Announcement, big Surprise or About Time?

onepk

This week Cisco announced their new strategy for engaging software defined networks (SDN) with the announcement of the the onePK (Cisco One Platform Kit). I think we saw what I think most of us expected. I didn’t expect an DK, so that was a pleasant surprise. I know many folks especially from R&E have wanted that visibility into the planes of operation of their purchased networking …

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