Five Characteristics Of Cloud Computing

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Privacy
Privacy is an essential human right recognized in the majority of international treaties and agreements on human rights. Almost all countries around the world identify privacy as a basic human right in their constitution, either explicitly or implicitly (Tan, 1999). The importance of the protection of privacy as an essential human right has been recognized after the disaster and carnages of second World War period, when large databases of personal data were used to segregate populations, targeted minority groups and make possible genocide, made it clear how it can be dangerous to allow the public to intervene in the private sector. However, the post-war period is seen the appearance of the Universal Declaration of Human Rights(UN 1948).
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Generally, There are five essential characteristics of cloud computing. Those are listed below
On-Demand
Cloud computing are able to access, monitor and manage computing resources as needed which done automatically without requiring human interaction with CSP(Mell & Grance, 2011) .
Rapid Elasticity
Computing resources in cloud computing such as CPU, memory and storage are able to scale out and in quickly and on an as needed basis on demand. To the clients, the cloud appears to be infinite, and the consumer can get as much or as little computing power as they need and they can be appropriated in any quantity at any time (Mell & Grance, 2011).
Resource pooling
Computing resources are shared across multiple applications. Multiple clients in a multi environment access provider pooled resources.
Wide Network Access
Cloud based services are available over the network and can be for promote use by variety of client platforms.
Measured Service
Cloud computing has the potential to automatically monitor, control and report of the service for both the provider and clients through an integrated management platform.
Benefits of Cloud
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In addition, applications that take extensive storage capacity is easier to be used in the cloud environment compared to the same when used by the organization on its own. Also at the user level, what the users mostly needs is a simple web browser with Internet connection(Ghazizadeh, 2012) .
Availability
In the cloud computing, there are some levels of high availability that can be reached. These levels can be application level, data centre level, infrastructure level and geographic location level. Technically, cloud computing is the virtualization of hardware resources technology to ensure the stability and reliability of the infrastructure and avoids even a single point of failure.
Cost
Cloud computing gives opportunity to reduce the amount of money they spend on IT. Cloud computing reduces the cost of hardware, software, networking, storage, electricity, cooling and the space to house the hardware. Education institutions do not have to invest in expensive new computing equipment and shift the cost to a more manageable operational expense. The cloud computing can also reduces the cost of database administration, OS upgrades, software license, frequent contracts, consulting company, It staff, testing and piloting new applications(Mircea & Andreescu,

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