Abstract

The big-iron computer suppliers do-not agree on many things, but they have all decided to pull in the same direction: to a place where the IT service is something you just dial into and rent. The suppliers believe the time is right to get technologies in place that reassure customers their data will not somehow get mixed up with someone else's and that the business models are now there. Paul Marsh looks at what is happening in utility computing and whether all the components are there to make it work, this time around. Utility computing has been with us for a while. 'Service-centric' IT arrived with some fanfare with the emergence of the first generation of application service providers (ASPs) and storage service providers (SSPs). The term 'utility computing' is being applied to both inhouse and outsourced IT capabilities. The benefits of using a utility hardware infrastructure hinges mainly on the cost savings that can be made from deploying hardware in an on-demand fashion. Software on-demand offerings appear to make most sense to small-to-medium sized companies.

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