4/28/2018 Cloud computing Environments and moreCloud computing environments support grid computing by quickly providing physical and virtual servers on which the grid applications can run. Cloud computing should not be confused with grid computing. Grid computing involves dividing a large task into many smaller tasks that run in parallel on separate servers. Grids require many computers, typically in the thousands, and commonly use servers, desktops, and laptops. A cloud is more than a collection of computer resources because a cloud provides a mechanism to manage those resources. Management includes provisioning, change requests, reimaging, workload rebalancing, de-provisioning, and monitoring. Beside the web email, the Amazon Elastic Compute Cloud (EC2), Google App Engine and Salesforce’s CRM largely represent a promising conceptual foundation of cloud services.
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