more strategic the advance is and the greater potential it will impact the bottom line. ... The economics of cloud computing lets innovative companies create ... Companies that did traditional outsourcing of their IT services a few years ago ... The advent of cloud technologies will have to be dealt with and ...
Chapter 1 Introduction During the past years a new solution appeared in the IT field, cloud computing, and it is impossible to ignore it, because cloud computing allows companies to outsource data, electronically mail, folders and other applications through virtual platforms through the medium of servers that are connected between them and that can be access anywhere and at any time. The only requirement is to have an available internet connection. The impact of cloud computing brings changes not only in terms of the global performances of a company, but also in terms of internal organization, especially in the IT department. This opportunity is modifying the usual methods of back-up for data, cloud computing is bringing new tools and new perspectives of evolution for the company that is using it. The term of cloud computing means that data are stored and can be access through the Internet and not in the traditional way from the computer’s hard drive.
Cloud computing has his origins in the days when flowcharts and presentations, they represent the servers infrastructure of the Internet. Local storage and computing is when a data is stored or programs are run from the hard drive, so users can have access to their data easy and fast. The fact that there is a dedicated hardware server in a residence, it doesn’t mean that there is a cloud computing. When we are storing data on a home or office network is doesn’t mean that a cloud is used. The data needs to be access over the Internet, or at least the data needs to be synchronized with information over the Internet. For a consumer is when we are sitting home and we are using the Internet on daily basis. For businesses is different, because some of the chose to subscribe to an application that can be access over the Internet, these is called Software-as-a-service (SaaS);
there is also the option when the business creates his own custom application that can be use by everyone in the company and these is called Platform-as-a-Service (PaaS); and last is the Infrastructure-as-aService (IaaS) is when important players from the market, Google, Amazon, give access to a part from their infrastructure to other companies by renting. [2]
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