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Crypto cloud computing
Crypto cloud computing is a new secure cloud computing architecture. Cloud computing is a large-scale distributed computing model that is driven by economies of scale. It integrates a set of abstracted, virtualized, dynamically-scalable, and managed resources, such as computing power, storage, platforms, and services. External users can access to resources over the Internet using terminals, especially mobile terminals. Cloud architectures are developed in on-demand fashion. That is, the resources are dynamically assigned to a user according to his request, and relinquished after the job is done.〔Cloud computing and grid computing 360-degree compared. Yong Zhao , Raicu. I , Lu.S. Grid Computing Environments Workshop, 2008. GCE '08.〕〔A taxonomy and survey of cloud computing systems. Eunmi Choi , Lumb. I. INC, IMS and IDC, 2009. NCM '09. Fifth International Joint Conference on.〕
Cloud computing is a pool of services including the hardware and operating system infrastructure, the formation of systems management software, system and platform, and virtualization components. According to the level of its resources, cloud computing services can be divided into three categories, Infrastructure as a service (IaaS), Platform as a service (PaaS), and Software as a service (SaaS).〔A taxonomy and survey of cloud computing systems. Eunmi Choi , Lumb. I. INC, IMS and IDC, 2009. NCM '09. Fifth International Joint Conference on.〕
== Potential Threats ==
While enjoying the convenience of cloud computing, network security risks cannot be ignored. A customer’s data security relies on security service from cloud computing providers, however, current structure of cloud computing services are provided by independent operators. First, the user’s information security provides commerce and management. Second, the information leakage can be caused by technology flows of providers. What’s more, cloud computing is an open environment. Hence, any weakness will cause information security risks of the whole system.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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