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I have broad research interests in computer systems, including operating systems, storage/file systems, security, networking, distributed systems. I am particularly interested in developing new ways of structuring computer systems to address technology changes and enable new applications. My group has many ongoing projects in such areas as self-* (managing, tuning, ...) systems, device-embedded functionality, and computer infrastructure security. Self-* Storage. We are defining and exploring a new storage architecture that integrates automated management functions throughout its components. Borrowing organizational ideas from corporate structure and technologies from AI and control systems, self-* storage should simplify storage administration, increase system robustness, and simplify system construction.Device-Embedded Security. We are exploring a new approach to computer security in which each individual device erects its own security perimeter and defends its own critical resources. Together with conventional border defenses (e.g., firewalls and OS kernels), such self-securing devices could provide a flexible infrastructure for dynamic prevention, detection, diagnosis, isolation, and repair of successful breaches in borders and device security perimeters. Parallel Data Lab (PDL). As Director of the Parallel Data Lab (http://www.pdl.cs.cmu.edu/), I lead a number of storage-related projects in areas such as storage system architecture, storage security, file systems, disk characterization, and server implementation. As one example, we are exploring how new storage technologies like MEMS-based storage could best be incorporated into computer systems. As another, we are exploring the use of detailed disk knowledge in the design of file systems and databases. |
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