What’s this ‘pay as you go’ cloud crap? Dunno about you, but my apps don’t work that way

Grazed from The Register. Author: Trevor Pott.

Anyone who says public cloud computing is "pay for what you use" is trying to rip you off. The public cloud is pay for what you provision, and that is a completely different thing. In order to move away from the model that pretty much every existing application uses – one where you provision the peak amount of resources required and then the application sits idle until it’s needed – you need to throw away your code and rewrite it from the ground up.

This means either convincing your software vendor to scrap their codebase and start over; having your in-house developers do the same; or both. Very few applications are an island, and in the real world one application feeds information into another, which then feeds information into another…

Suddenly your simple point-of-sale "application" is 15 interwoven packages, some of which are written by third-party vendors, some of which are written in-house, and all of which must be on 100 per cent of the time…

Read more from the source @ http://www.theregister.co.uk/2014/09/17/pay_for_what_you_provision_cloud/