Microsoft needs SDN for Azure cloud…

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Couldn’t scale without it, Azure CTO says

Microsoft’s Azure couldn’t scale without SDN.

The Microsoft cloud, through which the company’s software products are delivered, has 22 hyper-scale regions around the world. Azure storage and compute usage is doubling every six months, and Azure lines up 90,000 new subscribers a month.

Fifty-seven percent of the Fortune 500 use Azure and the number of hosts quickly grew from 100,000 to millions, said CTO Mark Russinovich during his Open Network Summit keynote address here this week. Azure needs a virtualized, partitioned and scale-out design, delivered through software, in order to keep up with that kind of growth.

“When we started to build these networks and started to see these types of requirements, the scale we were operating at, you can’t have humans provisioning things,” Russinovich said. “You’ve got to have systems that are very flexible and also delivering functionality very quickly. This meant we couldn’t go to the Web and do an Internet search for a scalable cloud controller that supports this kind of functionality. It just didn’t exist.”

http://www.networkworld.com/article/2937396/cloud-computing/microsoft-needs-sdn-for-azure-cloud.html

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