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Cloud computing opens doors to the multiple, unlimited venues from elastic computing to on demand provisioning to dynamic storage, reduce the potential costs through optimized and efficient computing. To provide secure and reliable services in cloud computing environment is an important issue. One of the security issues is how to reduce the impact of any(More)
Information System has become a strategic lever for enterprises. It contributes effectively to align business processes on strategies of enterprises. It is regarded as an increase in productivity and effectiveness. So, many organizations are currently involved in implementing sustainable Information System and, a large number of studies have been conducted(More)
Cloud computing is a new paradigm based on distributed services. It allows to reduce costs and simplify the management of resources. Positioning the cloud in an operational environment provides easy and quick access to computing resources anywhere, anytime, with any device. However, it is deployed in virtual resources to provide services to public customers(More)
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