Tour of SuperNAP, the datacenter that is home to the Sun Cloud. Highlights the security, availability and energy efficiency features of the facility. Cloud computing is all about efficiency. You can deploy and access everything from single systems to massive amounts of IT resources, on demand, in real time, at an affordable cost. And cloud computing solutions built using open APIs deliver the added benefit of reducing barriers to exit. Open standards mean competing, interoperable vendors - and ultimately, more options.