Re-thinking Kernelized MLS Database Architectures in the Context of Cloud-Scale Data Stores
Nguyen, Thuy D.
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We re-evaluate the kernelized, multilevel secure (MLS) rlational database design in the context of cloud-scale distributed data stores. The transactional properties and global integrity properties for schema-less, cloud-scale data stores are significantly relaxed in comparison to relational databases. This is a new and interesting setting for mandatory access control policies, and has been unexplored in prior research. We describe the design and implementation of a prototype MLS column-store following the kernelized design pattern. Our prototype is the first cloud-scale data store using an architectural approach for high-assurance; it enforces a lattice-based mandatory information flow policy, without any additional trusted components. We highlight several promising avenues for practical systems research in secure, distributed architectures implementing mandatory policies using Java-based untrusted subjects.
RightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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