User Mode Linux is a virtual machine running on a GNULinux operating system. It is the right choice for teaching operating systems’ administration, as it does not need any dedic...
New designs for petabyte-scale storage systems are now capable of transferring hundreds of gigabytes of data per second, but lack strong security. We propose a scalable and effici...
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
This paper presents the implementation and performance evaluation of a real, secure object-based storage system compliant to the TIO OSD standard. In contrast to previous work, ou...
Zhongying Niu, Ke Zhou, Dan Feng, Hong Jiang, Fran...
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...