Thursday, March 12, 2015

History of cloud computing

Cloud computing is computing terminology has evolved in recent times or a metaphor based on the utility and information technology resources consumption. Include cloud computing deployment of remote groups of servers and systems software that allows centralized data storage and online access to computer resources or services. Clouds can be classified as public, private or mixed.
Cloud computing  on the basis of resource sharing to ensure consistency and economies of scale, similar to the tool (like the electricity grid) over a network. in the foundation of cloud computing is broader than the concept of converged infrastructure and shared services.
Cloud computing, or, in short, simply a "cloud", and also focuses on maximizing the effectiveness of shared resources. And generally only cloud computing resources are not involved by multiple users, but also re-allocated dynamically on demand. This may work for the allocation of resources to users. For example, a computer clouds that serve users in Europe through the hours of work in Europe with a facility specific application (eg e-mail) may be re-allocated the same resources to service users in America North by working in North America watches with different applications (for example, a Web server). This approach should be to achieve the maximum benefit of the computing power and thus reduce environmental damage and since less energy, and air conditioning, and an enclosure area, and therefore there is a need for a variety of functions. With cloud computing, it can be for multiple access to a single server to retrieve and update their own data without the need to purchase licenses for different user applications.
The term 'transition to the cloud "also refers to an abandonment of the traditional model of capitalism Organization (purchase special cutting equipment over a period of time) to model operating costs (use of infrastructure and cloud common pay it is used).
Proponents argue that cloud computing allows companies to avoid the infrastructure costs in advance, and focus on projects that differentiate their business rather than on infrastructure.  Proponents also argue that cloud computing allows companies to get their operational applications faster, with better management and less maintenance, and be able to adapt quickly more resources to respond to fluctuations in demand and the company can not predict. cloud providers usually use a model "pay as you go". This can lead to high costs unexpectedly if the directors do not adapt to cloud pricing model.
The current availability of high-capacity networks, and low-cost computers and storage devices has led and the widespread adoption of virtual machines, and service-oriented architecture, and autonomous and utility computing the growth in cloud computing.
Cloud providers have rates of 50% per year growth.

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