What is Software Defined Storage?
The concept of "software defined storage" (SDS) seems to be everywhere, if you read about the data storage industry or explore storage products. However, the software defined storage definition remains a little vague – or perhaps more than a little vague.
Most people seem to agree that at first, SDS was little more than a marketing buzzword. It first came into vogue after the OpenFlow project introduced the idea of software defined networking (SDN) around 2011. As vendors like VMware began to embrace the idea of the software defined data center (SDDC), storage vendors saw an opportunity to gain traction for their products with the "software defined storage" label.
But while SDS may have originated as basically a marketing gimmick, the technology that underlies it truly is different than traditional storage hardware.
Read more at Enterprise Storage Forum