Transaction processing in multilevel-secure databases using replicated architecture
- 1 January 1990
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 360-368
- https://doi.org/10.1109/risp.1990.63864
Abstract
In a multilevel secure database management system based on the replicated architecture, there is a separate database management system to manage data at or below each security level, and lower-level data are replicated in all databases containing higher-level data. The issue of transaction processing in such a system is addressed. A synchronization protocol is given that guarantees one-copy serializability of concurrent transaction executions. It is secure since the information always flows in one direction-from databases at lower security classes to databases with higher security classes-and it can be implemented in such a way that the size of the trusted code (including the code required for concurrency and recovery) is small.Keywords
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