Towards Secure Cloud Storage

Cloud computing (so-called, cloud) represents one of the magnificent shifts in information technology which can enhance collaboration, agility, scaling and availability, and provide the potential for cost reduction through optimized and efficient computing. Different from the existing technologies and computing approaches, cloud is defined with five essential characteristics (on-demand self-service, broad network access, resource pooling, rapid elasticity, measured service), SPI service models (Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS)), and deployment models (Public, Private, Hybrid, Community). Due to its characteristics and models, Gartner Inc. expected worldwide cloud services revenue to reach $148.8 billion in 2014, and estimated that over the next five years entrepreneurs would spend $112 billion on SaaS, PaaS and IaaS .

Provided by: National Institute of Advanced Industrial Science and Technology (AIST) Topic: Security Date Added: Oct 2010 Format: PDF

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