Cloud Computing is a computing paradigm in which tasks are assigned to a combination of connections, software and services accessed over a network. This network of servers and connections is collectively known as "The Cloud". Computing at the scale of the cloud allows users to access supercomputer-level power. Using a thin client or other access point, like an iPhone, BlackBerry or laptop, users can reach into the cloud for resources as they need them.
Processing power, electricity, bandwidth and storage are all managed remotely. For this reason, cloud computing has also been described as "on-demand computing".
Following are the advantages of Cloud Computing:
- Reduced IT Capital Spend
- Fast Deployment
- Increased Storage
- Highly Automated
- Flexible
- More Mobility
- Lower Client Workload
- Lower Total Cost Ownership
- Separation of infrastructure maintenance duties from domain-specific application development
- Expand resource on-demand
- Pay Per Use
- Instant Provisioning
- Service Driven
- Virtualized
- Scalable
Cloud computing can be contrasted with the traditional desktop computing model, where the resources of a single desktop computer are used to complete tasks, and an expansion of the client/server model.
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