Cloud

From Grids to Clouds - Shift in Security Services Architecture

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Executive Summary

Nowadays, the notion of Cloud computing is making significant head-way in the computing landscape. Its emergence was initially seen as a complementary technology to address the major shortcoming of the Grid technology. However, the business push to Cloud computing paradigm resulted in a more sophisticated concept of rent-a-technology that enabled a series of new networked business models. This emerging digital globalisation has not only raised the legal stakes and ownership concerns but also heralded the need of developing new security models to assure security and privacy of data in the peculiar characteristics of Cloud computing such as multi-tenancy, federation, workload mobility, etc.

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