So although they are often lumped together, the differences between utility computing and cloud computing are crucial. Utility computing relates to the business model in which application infrastructure resources — hardware and/or software — are delivered. While cloud computing relates to the way we design, build, deploy and run applications that operate in an a virtualized environment, sharing resources and boasting the ability to dynamically grow, shrink and self-heal.
CLOUD COMPUTING – AN OVERVIEW Tushar Gandhi Neovasolutions
What is a Cloud? Individuals Corporations Non-Commercial Cloud Middle Ware Storage Provisioning OS Provisioning Network Provisioning Service(apps) Provisioning SLA(monitor), Security, Billing, Payment Services Storage Network OS Resources