Dell cloud computing delivers computing as a service instead of a product. This allows resources, software, and data to be shared over a network. Cloud computing does not require the client to know where the physical hardware is located; the client uses a Web interface and the Internet to gain access to the software, data, and storage that he/she requires. Using a Web interface, the look and feel of the entire process is the same to the client as if he/she were accessing it on the local computer.
Since users are able to access data and applications via a Web browser and the Internet, the system is not dependent on a particular device or location. As long as the user is at a location where the Internet is available and there is no firewall setting to prevent it, the user can access the application and data needed from that location using a laptop, mobile device, etc.
Dell Cloud computing is a type of delivery model for IT services that provides scalability and the use of virtualization. Cloud computing is elastic (adaptable) to suit different organizations' needs. Cloud computing provides a high-level of reliability, providing for disaster recovery and business continuity when redundant sites are used. Elastic services, along with scalability are also provided through the rendering of resources; service is provided in real-time and users do not have to deal with performance problems during peak work periods.
Dell cloud computing provides monitored performance and security. Security is often improved using cloud computing since data is centralized and there is special attention focused on security. Another facet of cloud computing that provides scalability and elasticity is that there are different deployment models to choose from. The deployment models include a public cloud, community cloud, hybrid cloud, and private cloud.
A public cloud is one in which resources are dynamically rendered to the public on a self-service basis over the Internet, from an off-site third party provider. A community cloud model shares infrastructure between several companies in a specific community and can be managed internally or by a third-party provider. Community cloud services can be hosted externally or internally. A hybrid cloud model is a combination of two or more clouds, providing the benefits of more than one deployment model. A private cloud model is used by a single organization and can be managed internally or by a third-party source.
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