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OpenFlow/SDN Won’t Scale?

Tony Bourke from The Data Center Overlords comments:

I got in a conversation today on Twitter, talking about SDN/SDF (software defined forwarding), which is a new term I totally made up which I use to describe the programmatic and centralized control of forwarding tables on switches and multi-layer switches. The comment was made that OpenFlow in particular won’t scale, which reminded me of an article by Doug Gourlay of Arista talking about scalability issues with OpenFlow.

Tony’s take on one of the more common arguments against OpenFlow: scalability. Which brings to mind an Aerosmith song lyric – “If you do what you’ve always done, you’ll always get what you’ve always got.”

Read more at: OpenFlow/SDN Won’t Scale?

About the author

Tom Hollingsworth

Tom Hollingsworth is a networking professional, blogger, and speaker on advanced technology topics. He is also an organizer for networking and wireless for Tech Field Day.  His blog can be found at

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