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Costs of Security in the PFS File System ∗

By Kevin Walsh and Fred B. Schneider


Various principles have been proposed for the design of trustworthy systems. But there is little data about their impact on system performance. A filesystem that pervasively instantiates a number of well-known security principles was implemented and the performance impact of various design choices was analyzed. The overall performance of this filesystem was also compared to a Linux filesystem that largely ignores the security principles.

Topics: thus gives insight into the impact these principles have in practice. That analysis
Year: 2012
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