Un acercamiento al estado del arte en Cloud Computing.

Cloud computing uses the Internet to deliver core software and hardware resources, to a large gamma of end users, from international organizations to persons of "common". In this regard and given his proposal for a technological management model changes the traditional way in the provision and deployment of network infrastructure and hardware and software resources, towards a new vision that makes services, cloud computing has positioned itself in the world of Information Technology and Communication ICT as a new paradigm which seems to announce a long stay. The main objective of this paper focuses on the approach to the state of the art of this technology in beta constant, so that allows it to be the preamble to the alchemy needed to put science at the service of mankind. The first section offers a appetizer of different views of what is defined as cloud computing. Section two deals with the definition of Cloud Computing, types and characteristics. Section three focuses on the existing concessive in the definition of three basic layers: Software as a Service (SaaS), Platform as a Service (PaaS) and infrastructure as In-Service (IaaS). The fourth section, the cloud providers are mentioned most representative platforms and maturity levels considered in these organizations. The fifth part contains prevailing regulatory aspects Colombia on ICT's. Finally, we present the conclusions drawn from the research work and future work. [ABSTRACT FROM AUTHOR]