10 Ways Software-Defined Networking Will Change IT

, September 30, 2013 When networking professionals converge upon New York for Interop this week, software-defined networking (SDN) stands to establish itself as a major theme throughout session talks and informal conversations. As the industry watches the results of early adopter case studies and hears pundits advocate for this new means of controlling the network fabric, consensus is building for the potential that SDN could be an IT game-changer. Here's how, in the words of experts from around the industry.
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SDN Will Increase Network Visibility For The Dev Team

SDN has the potential to untie developers' hands more than ever before.

" TCP's ancient packet drops-based 'congestion detection' will eventually make way for the new Open API-based global network state-aware application development methodologies," said Karthi Subramaniam, chief software architect for ADARA Networks. "Applications won't treat the network as the unlimited and unconstrained supply of connectivity resource."

Whereas in traditional models where no one really knows if applications are impacting the network or if there are other factors at play, SDN will provide greater insight into application performance issues, said Eve Griliches, director of solutions marketing of BTI Systems.

"We're at the point now where we can pull out the data, do a little data mining, and as one customer said, look at 'empirical evidence,' not someone's guess on what the application might be doing to the network," Griliches said. "Once this happens, we can program and automate the network so it's tuned to what the applications require. Those two processes really need to take place immediately."

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