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Software-Defined X

Florian Pestoni

Over the last two decades, we’ve seen the evolution of hardware virtualization that resulted in the cloud as we know it today. It started with Virtual Machines and then expanded to include Software-Defined Networking (SDN) and Software-Defined Storage (SDS).

Software-defined networking is “an approach to networking that uses software-based controllers or application programming interfaces (APIs) to direct traffic on the network and communicate with the underlying hardware infrastructure.” (Source: VMWare) Similarly, software-defined storage separates the management and provisioning of storage from the underlying physical hardware.

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