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Cloud Computing Introduction
- 1. Cloud Computing Introduction 2008-08 Liming Liu [email_address]
- 14. Computer cluster A computer cluster is a group of coupled computers that work together closely so that in many respects they can be viewed as though they are a single computer. The components of a cluster are commonly, but not always, connected to each other through fast local area networks . Clusters are usually deployed to improve performance and/or availability over that provided by a single computer, while typically being much more cost-effective than single computers of comparable speed or availability. [1] Grids tend to be more loosely coupled , heterogeneous, and geographically dispersed, grid computers do not fully trust each other.
- 21. Cloud computing infrastructure architecture The physical hardware layer is virtualized to provide a flexible adaptive platform to improve resource utilization. The keys to new enterprise data center infrastructure services are the next two layers, the virtualization environment and management layer. The combination of these two layers ensure that resources in a data center are efficiently managed and can be provisioned, deployed, and configured rapidly.
- 26. Cloud computing market Hardware provider Cloud technology enabler Infrastructure as a service Platform as a service Software as a service Everything is a service