Thursday 29 July 2010
The draft NIST definition, perhaps the best we have at this point, states that “Cloud computing is a pay-per-use model for enabling available, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. One of the key value propositions for cloud computing is the transfer of expense from the capital (CAPEX) to the operational (OPEX) column. Private clouds can still deliver some of the other benefits of cloud computing, especially for the largest organizations. Private and hybrid clouds can also serve as a gateway, allowing enterprise IT to become familiar and comfortable with cloud computing paradigms in a controlled environment.
This might seem foolish to the average person, or even the travel departments of medium-sized businesses, but the substantial expense might be offset by the convenience or increased productivity of private aviation. Cloud computing is similar: The average individual or organization will probably derive maximum benefit from sharing a public cloud infrastructure, but this should not preclude certain special cases where a private cloud will be called for.
