Choice Matters<br />“…larger companies…can be expected to pursue a hybrid approach for many years, supplying some hardware and software requirements themselves and purchasing others over the grid. One of the key challenges for corporate IT departments, in fact, lies in making the right decisions about what to hold on to and what to let go.”<br />- Nick Carr, ‘The Big Switch”<br />
Platform Continuum<br />On-Premises<br />Servers<br />Hosted Servers<br />Cloud Platform<br /><ul><li>Bring your own machines, connectivity, software, etc.
Heads in the Cloud, Feet on the Ground<br />Application runs on-premise<br />Buy my own hardware, and manage my own data center<br />Application runs at a hoster<br />Pay someone to host my application using hardware that I specify<br />Application runs using cloud services<br />Pay someone to host my application without specifying the hardware (they promise to be “infinitely” scalable)<br />Application is supplied by a vendor<br />Pay for someone’s hosted application. Don’t care about the hardware, as long as it works. <br />Control<br />High<br />Low<br />Economy of Scale<br />Low<br />High<br />