If you've worked in enterprise IT over the last few years, you'll undoubtedly have heard the phrase 'software defined' being bandied around. Whereas software once merely played a support role to the hardware on which it was running, cloud and virtualization technologies have now moved software into the spotlight, with hardware now playing second fiddle.
This overall trend, and the term 'software-defined' itself, evolved in the data center. Beginning with virtualized compute technology, popularized by vendors like #VMware, virtualized offerings for networking and storage followed soon after, laying the groundwork for what we now refer to as the Software Defined Data Center ( #SDDC ).
http://www.zdnet.com/article/the-rise-of-sddc-and-the-future-of-enterprise-it/
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