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Recently, the secure model defined in OSD standard, Maat secure models and secure model for Lustre are applied to distributed file system. These models are capacity-based models, which use symmetric key and certificate security technology. When the number of files becomes huge, a large number of capacity tickets are required and the performance will decrease. In this paper, we design a new secure model based on role and secure domain, and finally realize it in Ceph file system. The result shows that it is scalable and high-performance.
Date of Conference: 17-19 Dec. 2012