Philosophically, NSX and ACI are rather different. On the one hand, NSX touts rich virtual switch functionality, abstracting the network using a controller and overlays. On the other, ACI melds both hardware and software into a policy-driven network infrastructure built around the needs of specific applications.
Both approaches will impact IT operations. Are these solutions and SDN in general worth exploring? Yes. NSX and ACI are evidence that software defined networking is real, providing a technological foundation that will allow speedy, reliable application delivery for organizations.
Sure, it'll change how engineers exercise the art of networking. But sometimes change is good.
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