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Cloud Computing Essay

1414 words - 6 pages

CLOUD COMPUTING FOR EDUCATION

Introduction
Over the past few years, people have become increasingly accustomed to the “always on” Internet, and we expect our devices to be connected all (or at least most) of the time. You should be able to pop open a browser any time you like and have access to information anywhere in the world. You also need email applications to fetch new mail for you whenever it is available, without you having to manually log on somewhere to get it. Other applications, such as RSS feed readers, instant messaging clients, and so on also get information from the Internet in the same way. These are examples of using web services to communicate with other applications ...view middle of the document...

The billing model of cloud computing is similar to the electricity payment that we do on the basis of usage.
The cloud computing is the computing which is completely based on the Internet. It can also be defined as the next stage in the evolution of the Internet. The cloud computing uses the cloud (Internet) that provides the way to deliver the services whenever and wherever the user of the cloud needs. Companies use the cloud computing to fulfill the needs of their customers, partners, and providers. The cloud computing includes vendors, partners, and business leaders as the three major contributors.
* The vendors are the one who provide applications and their related technology, infrastructure, hardware, and integration.
* The partners are those who offer cloud services demand and provide support service to the customers.
• The business leaders are the ones who use or evaluate the cloud service provided by the partners. The cloud computing enables the companies to treat their resources as a pool and not as independent resources.
With cloud computing, the application you use, along with the data consumed by those applications and any functionality that links those applications to other applications, is all accessed remotely. You can even save your data to remote file stores rather than to local storage hardware. The advantage here is that there is a reduced dependency on the device being used. In some cases, such as when using a web browser as a client, there might be very little dependency on device hardware.
Characteristics of Cloud Computing
* On demand self-services: Computer services such as email, applications, network or server service can be provided without requiring human interaction with each service provider. Cloud service providers providing on demand self-services include Amazon Web Services (AWS), Microsoft, Google, IBM and Salesforce.com. New York Times and NASDAQ are examples of companies using AWS (NIST). Gartner describes this characteristic as service based.
* "pay-per-use" Billing model: Cloud billing model are very different when compared to traditional IT billing techniques. Typical billing models include per user billing, per GB billing or per-use billing (i.e. an organization is billed on each usage of the computing service).
* Does not involve long-term commitment: Cloud computing typically does not involve long- term commitment to use the computing infrastructure. The vendor does not enforce long- term usage of services.
* No capital expenditure: Cloud computing does not involve any significant capital expenditure for the organization. Unlike traditional IT infrastructure, in cloud computing organizations just use the computing services without procuring it. In some sense cloud computing involves renting the computing resources instead of buying them. Cloud computing requires no capital expenditure to acquire initial computing resources.
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