SDN Blog

Peter Krey, Co-Chair of Open Compute (OCP) Open Networking, Co-Founder of Open InfraShare, and President & Founder, Krey Associates, Inc. As Kyle has heard me blast nearly a zillion times, Khan Academy totally rocks!  For the first time ever, Khan Academy provides free and open access to an amazing range and growing group of self-learning resources. Starting at 3rd grade basics ... Read more

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 Today is a big day for Big Switch!We just announced our flagship product, Big Cloud Fabric, is orderable now and will ship later this quarter. With this announcement, the company is taking another step in the company’s commitment to bring hyperscale networking technologies to a broader audience.In addition to the introduction of Big Cloud Fabric, we are releasing Big Tap 4.0 and expanding ... Read more

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Who's with us?As part of our announcements today, we've unveiled the list of partners with whom we have been working over the last year. Thank you for helping us bring hyperscale networking to a broader community.We will be posting materials about interoperability, integrations and joint solutions on our partners page over the coming months. From now until then, you can hear directly from a few of... Read more

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Andy Brown, one of the leading visionaries of IT infrastructure on Wall Street, joined us for a conversation on topics including the current state of network design, the hyperscale versus enterprise mindset, some signals that network innovation is sinking in and navigating networking career paths.Below are some transcript highlights from a fun afternoon.  Andy, thank you.You’ve been a vocal... Read more

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For the first time, in a long time, there is a cycle of innovation in networking.  If you look at Facebook, Google and Amazon, they are advancing the state of the art to meet their hyperscale needs. They are not interested in the end-to-end offerings of the leading networking, database, compute and storage vendors, but rather are innovating at every layer of the data center. The rate of ... Read more

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It is well known that bare metal switches and SDN software that powers them have been successfully deployed in hyperscale data centers (e.g. in Google, Amazon) for many years.  These modern network designs – with HW/SW disaggregation and no vendor lock-in – have proven beneficial in terms of unprecedented application agility, massive operational simplification and dramatic cost savings. &... Read more

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Merchant Silicon and Bare Metal Changed EverythingIn the third part of this technical blog series, I talk about how the emerging merchant silicon and “bare metal” switching movements have permanently changed software-defined networking, enabling production-grade SDN solutions in the data center.  I’ll describe how these two complementary technology trends are providing unprecedented har... Read more

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This week’s big networking news is that Facebook announced that they have built their own switch (codenamed “Wedge”) and the corresponding networking software on top (“FBoss”).  While the specific technical details are still coming out, I’m more interested in why they did it.  Facebook is an advertising company on steroids, not a networking vendor.  They are not going to... Read more

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As the shift from traditional networking to SDN-based hyperscale networking take place in enterprise and cloud provider data centers, security and network operations teams still require granular visibility to applications.  Application visibility is important for the purpose of application response time measurements, application troubleshooting, application security monitoring (against advanc... Read more

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Achieving DC-Class Resiliency and “Headless” RecoveryIn the second part of the technical blog series, I talk about how forwarding state in modern OpenFlow is communicated from SDN controllers down to switches.  While this level of detail is well beyond what a typical administrator needs to understand about networking products, it is key to SDN’s scalability and reliability.  More s... Read more

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