Global transaction control with multilevel security environments

Authors:
Hyun-Cheol Jeong
Affiliations:
Dept. of Medical Engineering, Kwangju Health College, Gwangju, Korea
Venue:
FSKD'06 Proceedings of the Third international conference on Fuzzy Systems and Knowledge Discovery
Year:
2006

Citing 6
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Abstract

It is the most important issue that the restrictive security policy and correct concurrency control is guaranteed. This paper considers the security of heterogeneous system with replicated data. The existed read-from relationship in the existed serializability is improper. So, we define secure read-from relationship and propose secure one-copy quasi-serializability by utilizing this relationship and display some examples. The proposed secure one-copy quasi-serializability is very proper for global transactions in that this serializability doesn't violate security autonomy and prevents covert channel between global transactions.