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SDN blog roundup: Facebook switch, OpenDaylight controller in action

This week in SDN blogs we learn about the new Facebook switch, EMC's software-defined storage and how to install the OpenDaylight controller.

Open Compute Project chairman waxes on the Facebook switch

Easily the biggest news in SDN this week was Facebook's announcement that it would develop a reference box and specification for an open, hardware-agnostic top-of-rack switch through the Open Compute Project (OCP). OCP chairman Frank Frankovsky writes on the organization's blog, "It's our hope that an open, disaggregated switch will enable a faster pace of innovation in the development of networking hardware; help software-defined networking continue to evolve and flourish; and ultimately provide consumers of these technologies with the freedom they need to build infrastructures that are flexible, scalable, and efficient across the entire stack."

Read more of Frankovsky's blog on Facebook's open network switch.

Also, read news coverage of Facebook's new switch on SearchNetworking.

Getting started with OpenDaylight … (no need to wait out the vendor war)

There's lots of talk about what will ultimately come out of the OpenDaylight Project, and which vendors (if any) will have the greatest influence. The answer to these questions is a ways off, but in the meantime, the consortium has already published working controller code and engineers are beginning to play with it.

This week, blogger Jason Edelman walks us through the steps of installing OpenDaylight (from the perspective of someone who is admittedly not a Linux expert). Meanwhile, last week, Network Static blogger Brent Salisbury briefly outlined OpenDaylight installation and explained the process of adding an OpenFlow switch to an OpenDaylight controller environment.

Read Edelman's blog on getting OpenDaylight installed.

Read Salisbury's OpenFlow OpenDaylight tutorial.

EMC's software-defined storage launch explained

This was a big week for software-defined storage (SDS). EMC launched an SDS portfolio called ViPR that includes an SDS controller comparable to SDN controllers. That pushes SDS beyond storage virtualization, enabling a decoupled control and much greater programmability. In his Virtual Geek blog, Chad Sakac, senior vice president of engineering at EMC, explains the basic elements of ViPR and how it differs from basic storage virtualization. You'll also get a glimpse of why SDS matters to the software-defined data center and network.

Read more about ViPR in the Virtual Geek blog.

Confused by software-defined storage? Here are some basics

You're not the only one confused about the meaning of software-defined storage (SDS). Blogger Matthew Leib -- who works for software-defined storage vendor Nexenta Systems -- writes in his VirtuallyTiedtoMyDeskTop blog that there is confusion and overmarketing around the term. He points out that Nexenta (and a competitor or two) have some clear SDS answers, but he also points out that there are some fundamental basics that should be part of every SDS launch, including programmability and flexible provisioning of storage resources.
Read more of Leib's blog on the meaning of software-defined storage.

Also, read more about understanding SDS in a primer by

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