What Is Software-Defined Storage?

When it comes to emerging technologies, pinning down an exact definition is a bit like trying to pick up a muddy pig with your bare hands. The shift to "software-defined" IT is generating discussions about what it means to have a software-defined storage solution, similar to the confusion surrounding the term "cloud computing" when it first appeared. Chuck Hollis, a chief strategist at VMware, takes a stab at defining software-defined storage in a recent post on his blog.