If you were to ask EMC or VMware whom they consider their major threat and competition you’d be easily forgiven for being mistaken to think it was NetApp, HP or offerings such as Hyper-V. With many terming us to now be in the third era of corporate computing, with mainframe and the client/server being the first two, the current cloud era has undoubtedly been spearheaded by the likes of Google, Amazon and Facebook.