Using IaaS public clouds wisely
It seems as if every CIO comes back from a conference cocktail party demanding IT "move to the cloud”. While this can mean many things, including using software-as-a-service (SaaS), managed hosting, or application service providers (ASP), the demand often centres on moving applications out of your own budget-sucking data centre and up to an infrastructure-as-a-service (IaaS) cloud platform.
Forrester defines cloud computing as: