SDN Blog

May 08, 2012

On the Eve of Interop 2012: The Importance of Being Open

I'm here in Las Vegas at Interop 2012, just finishing my day "0" (the show floor hasn't even officially opened yet). I've already listened to half-a-day's worth of talks/workshops about Software-Defined Networking, OpenFlow, and real-world, production use cases from a variety of companies (including ours!).It's exciting to see how far Software-Defined Networking (SDN) and OpenFlow have come. Last ... Read more

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May 01, 2012

The Road Travelled Since The Last Open Networking Summit

The Open Networking Summit took place a week ago (April 16-18) in Santa Clara and showcased the tremendous progress the SDN and OpenFlow industry has made over the last few months. Several SDN users publicly talked about their implementations at this event including a couple of Big Switch Networks customers.Overwhelming attendanceThe previous event in October 2011 at Stanford was already superchar... Read more

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April 30, 2012

OpenFlow MythBusting by Google

We’ve heard many times before the myth that Software-Defined Networks and OpenFlow aren’t ready for prime-time. Late last year and earlier this year, we heard Cisco's thoughts on OpenFlow (including from a VP of Data Center Switching): “We don’t think it’s production-ready.”A couple of weeks ago, this myth was completely busted by Urs Hoelzle’s keynote at the Open Networking Summit (... Read more

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March 16, 2012

Open Software-Defined Networking (SDN): Ensuring You Get All the Benefits of SDN

Big Switch Networks announced its Open Software-Defined Networking (Open SDN™) architecture today. SDN has generated a lot of interest over the last few months and we have seen increasing amounts of SDN-washing with vendors taking existing solutions off their shelves, dusting them off and rebranding them SDN. While these typically help established players preserve the networking status quo, thes... Read more

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February 13, 2012

Software-Defined Networking (SDN) and OpenFlow: Off to a Great 2012

One of my very first blogs after joining Big Switch Networks was "We are onto something big..." (Oct 2011). It highlighted the increasing interest and excitement about the promise that OpenFlow and Software-Defined Networking (SDN) held. At the end of last year, several 2012 predictions on networking, cloud, data center and other related topics concluded that these technologies should be watched i... Read more

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February 06, 2012

Fight The Status Quo And Choose OpenFlow-Based SDNs

A lot of great announcements have been made around Software-Defined Networking in recent weeks. The more vibrant the ecosystem, the faster the adoption of these technologies will be. But at such an early stage, helping customers and developers make informed decision when selecting their next generation networks is critical.And what is the main factor influencing the adoption of Software-Defined Ne... Read more

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January 11, 2012

Announcing Floodlight: An Open Source OpenFlow Controller

I’m incredibly excited to announce the release of Floodlight, a Java-based, Apache-licensed OpenFlow controller. As OpenFlow veterans, we’ve spent a lot of time working with OpenFlow controllers -- building enterprise-grade applications on them, ensuring compatibility with physical and virtual switches, defining APIs, measuring and improving performance, and generally pushing the limits of the... Read more

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November 28, 2011

The 3-6x Problem

Server virtualization and networking seem to mix like oil and water in an enterprise operational environment. Wait - let me explain.I was with an enterprise customer last week who said, "You know – the real sticking we're seeing with our server virtualization builds is the network side of this." That was the fifth time I've heard that in the last four weeks.On the one hand, he's not alone. On th... Read more

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November 21, 2011

Can SDN be based on CLI?

There have been some recent discussions around the role of OpenFlow in the larger movement of Software-Defined Networking (SDN). Personally, I strongly believe OpenFlow plays a critical role in SDN – I don’t think it can be replaced by existing protocols/technologies. Over my next few posts, I’ll consider various technologies that are proposed as alternatives for use in SDN and see how well ... Read more

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November 13, 2011

Interop: OpenFlow’s coming-out party

I’m waiting at the Las Vegas airport, catching my breath after several jam-packed days on the show floor of Interop. There’s a ton of email and other work stuff I really should be catching up on, but it’s been such an awesome show for OpenFlow that I’m compelled to write my first blog post here at Big Switch.Obviously, I’m biased, but it’s pretty clear Interop was a coming-out party fo... Read more

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