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Mobile Security

In: Computers and Technology

Submitted By jackb4u
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The term Cloud Computing can be defined as a pay-per-use model for enabling convenient, on-demand network access to a shared pool of configurable and reliable computing resources (e.g., networks, servers, storage, applications, services) that can be rapidly provisioned and released with minimal consumer management effort or service provider interaction. A Cloud model generally comprises of five key characteristics, three delivery models and four deployment models. It is a model, or concept where infrastructure, platforms, applications and services are offered up over the internet like any webpage where data and the modifications that can be done to the aforesaid data, is stored on line. Existing examples of such web pages include webmail, online backups, hosted services, etc. The term 'cloud computing' thus covers everything from smart data centers, managed hosting, infrastructure, applications and services offered over a network with the main storage and processing being completed at the cloud service provider(CSP) end, with cheap, thin clients at the other end accessing the service via a browser.

Five Key and Essential Characteristics of Cloud Computing are mentioned below:

1. On-demand self-service. 2. Broad network access. 3. Resource pooling. 4. Rapid elasticity. 5. Measured Service. (Pay-Per-Use in other terms)

There are further Three Service Models: 1. Cloud Software as a Service (SaaS): Using provider’s applications over a network 2. Cloud Platform as a Service (PaaS): Deploy customer-created applications to a cloud. 3. Cloud Infrastructure as a Service (IaaS): Rent processing, storage, network capacity and other fundamental computing resources. It is important to note that in order to be considered as a tool of “cloud computing” the above must be deployed on top of cloud infrastructure that has the key...

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