Σύγκριση τεχνολογιών cloud computing

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Abstract
This thesis entitled "Comparison of Technologies Cloud Computing» prepared under the postgraduate program" Master program economics Management and Digital Security Systems ' towards ' economic Management & Security of Digital Systems ' of the Department of Digital Systems University of Piraeus. By selecting this issue, I attempt to better understand the concept of «Cloud Computing». The study begins with the etymological research and historical review of this application, and a fullest possible description of goods and services that compose it. Then, it is felt necessary to display and compare the pioneer in the field of Cloud Computing companies, detailing the benefits they offer and tactics which follow in pricing but also the technical aspects of web services. Finally, the last two chapters are devoted to economic analysis and evolution will sector, taking into account the strategic marketing and market data and global socio-economic status. The study carried out an analysis of the economic progress that is expected to meet the cloud computing within the domestic economy and doing business in Greece. Above all, the aim is to comprehensively analyze and present the revolution, the technology within companies and their economy, and the brand new opportunities and markets that triggers the development.