The musings of an IT Consultant

Apr 5 2013   12:55AM GMT

What’s SDN?

Raj Perumal Raj Perumal Profile: Raj Perumal

Hi folks! So what’s SDN? It stands for Software Defined Networking!

What does that mean to you? Basically SDN is abstracting the complexties of the network from the hardware and putting it in software. Theoretically this is supposed to simplify things and make things easier for the network administrator.

Unfortunately a lot of people are throwing around the SDN term, but don’t really have a strategy. It kind of reminds me of the word “cloud” and how it’s been thrown around in IT over the past few years.

Before you buy into SDN, make sure you verify and test what works and what doesn’t!


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  • CohesiveFT
    Further to your point, Raj, there are distinctions to be made in SDN! But how to do you convey the differences?SDN products focus on either benefits to the cloud service providers or to the cloud applications. SDN at Layer 2 (OpenFlow) can benefit the cloud service provider, but don't always pass on to application customers.Overlay SDN has advantages of working with existing hardware and software stacks - preserving investments whilst offering the security, automation and control of SDN.
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