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OVERLY, UNDERLAY, PACKETS FLOW FREE. IS SDN GOING TO TAKE OVER THE WORLD?

A software-defined network: is it an evolution or a revolution in networking? The hype of SDN has been around for several years, but as yet it doesn’t seem to have managed to get much traction outside of the MSPs and Fortune 500 companies with regard to SDN, and telcos with regard to SD-WAN. When, if […]

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On SDN

Many of these posts talk about network functions virtualization (NFV) rather than software-defined networking (SDN). NFV is a subset of SDN that is more specific, and it is applicable to a higher level of the application stack. Whereas SDN is aimed at the network layers, NFV is aimed at manipulating the data. The idea of […]

How Will Dell Blend Its SDN Story with Nicira/NSX?

The big story of the last few weeks has been Dell’s $67B acquisition of EMC, and with it, VMware. This is big news for the industry—news that will have ramifications all over the software-defined data centre. One of the most interesting implications is how Dell will reconcile its own SDN strategy with VMware’s NSX vision. Do the […]