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The Computer Journal 1990 33(1):71-78; doi:10.1093/comjnl/33.1.71
© 1990 by British Computer Society
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Integrating Security with Fault-tolerant Distributed Databases*

D. Agrawal § and A. El Abbadi §

Department of Computer Science, University of California, Santa Barbara, CA 93106, USA

Replication reduces the security of data in a distributed environment. In this paper, we address the issue of maintaining security in a fault-tolerant replicated database. We present a protocol that combines both security and reliability aspects in a database system. Although this protocol provides the desired level of security, it does so at the expense of availability. By integrating a propagation mechanism with our protocol, we are able to achieve a high level of security and availability.

Received April 1989.

* This research is supported by the National Science Foundation under grant numbers CCR-8809387 and IRI-8809284.

§ Department of Computer Science, University of California, Santa Barbara, CA 93106, USA


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