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2 Author(s)

Utility computing is a recent development in IT (information technology) outsourcing, whereby service capacity is provided as needed and the customer pays only for actual use. To provide what amounts to computing on demand, providers face business and technological challenges, including pricing of new services, adopting new business models, automated management of resource provisioning, and management of service level agreements (SLAs).

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

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IBM Systems Journal  (Volume:43 ,  Issue: 1 )