What’s the difference between SDN and NFV?


SDN, NFV & VNF are among the alphabet soup of terms in the networking industry that have emerged in recent years.

Software defined networking (SDN), network function virtualization (NFV) and the related virtual network functions (VNF) are important trends. But Forrester analyst Andre Kindness says vague terminology from vendors has created a complicated marketplace for end users evaluating next-generation networking technology. “Few I&O pros understand (these new acronyms), and this confusion has resulted in many making poor networking investments,” he says.

So what’s the difference between SDN, NFV and VNF?

SDN: Software defined networking

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