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Summary: CloudViews: Communal Data Sharing in Public Clouds
Roxana Geambasu Steven D. Gribble
University of Washington
Henry M. Levy
1 Introduction
Web services are undergoing an exciting transition from
in-house data centers to public clouds. Attracted by
automatic scalability and extremely low compute, stor-
age, and management costs, Web services are increas-
ingly opting for public cloud deployment over traditional
in-house datacenters. For example, Amazon's S3 pro-
vides storage and backup services for numerous applica-
tions [12, 17], a number of mature services have recently
migrated to Amazon EC2 [18], and many startups are
adopting the cloud as their sole viable solution to achieve
scale [22]. While predictions regarding cloud computing
vary, most of the community agrees that public clouds
will continue to grow in the number and importance of
their tenants [10].
This paper focuses on a new opportunity introduced
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