Some customers like the notion of drawing computing resources as if they are water or electricity.
Some are actively seeking providers that can give them pay-as-you-go models that supply capacity, plus the application for a single price, but they face myriad challenges when it comes to utility computing.
These are some of the reasons The 451 Group "believes that utility computing is a developing concept."
"But it is not yet a market - although it certainly is being marketed," wrote The 451 analyst William Fellows, alluding to the pronounced marketing efforts of the big IT vendors.
What IT vendors and customers have been doing is taking baby steps to 'utility' models, engaging in tasks and technologies for server consolidation, virtualization, metering and charge-back options.