A View Inside The Cloud
Today, it is increasingly becoming difficult to watch television, read a magazine, or visit a website without coming across the word "cloud computing". There are many ads for this service in the above mediums which seek to popularize this new service. It is said to be a service which is great for storing documents, accessing your music, photos and videos from any location and from any device. Due to its increasing importance and scalability, cloud computing is becoming a much sought after service today. But, before we actually start using this service, there are a lot of questions that need to be answered.
Some questions that come to mind when we talk about using cloud computing services for your company are: should your company be using cloud computing services? What has been holding your executives back? What can you expect from the future? In order to answer these questions, the Institute interviewed two senior members of IEEE who are experts in the field of cloud computing: Alexander Pasik, IEEE chief information officer, and Thomas Coughlin, President of the data storage consulting group Coughlin Associates, of Atascadero, Calif, and vice president of operations and planning for the IEEE consumer electronics society.
Coughlin thinks of cloud computing as "an outsourcing for your technology assets". He further says that "cloud computing is a service in which an internet connected machine and remote digital storage are both used to provide a number of capabilities for both business and personal uses. Technically speaking, he said that there were three types of cloud computing services that are commonly put to use: infrastructure as a service, platform as a service and finally, software as a service. With the first mentioned cloud computing service, Parsik says, clients have access to virtual servers in the third party service provider's data centre, which can be used any way we want.
In this case users have to install their own software and also be responsible for maintaining it. This option gives the users enough flexibility and scalability says Parsik. Another feature is that if a user needs 3-4 servers to run his systems, and needs 50 during the holiday season, he will not have to buy more servers but can just rent the additional servers on the cloud system. An example of an Iaas is Amazon's Elastic Compute Cloud, which is also called as EC2.
Paas includes all the features of the Iaas, with clients using the provider's computing platform including an operating system, developer tools, database and web servers through which users can develop and run their software in the cloud without having to bear the cost and the complexity of buying and then managing the underlying hardware. Paas allows the user better economies of scale with the trade off being that platform provider's ability to lock down the service so that you can not use your own tools. The Google App Engine, with which users develop and host web applications using Google development tools, is a good example of a Paas.
The writer of this article is a graduate civil engineer and a freelance writer. After working for 15 years in the construction industry, he took up content writing in order to showcase case his experience. He started writing so much that he took up writing on other niches too. He can be contacted on firstname.lastname@example.org
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By Harish Desai