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Policy conflict detection and intrusion tolerance system digestion methods

Author: LiXinXing
Tutor: LiuChaoZuo
School: Nanhua University
Course: Applied Computer Technology
Keywords: Intrusion Tolerance Policy Management Policy conflict detection Policy Description Policy Conflict Resolution
CLC: TP393.08
Type: Master's thesis
Year: 2011
Downloads: 18
Quote: 0
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Abstract


Intrusion tolerance technology as the third generation of information security technology , has been more and more researchers in the field of concern . To shield failed node negative impact of the information system , the behavior of service failures detected , in addition to the use of majority voting threshold secret sharing technology , you usually need to optimize the system configuration . Using policy-based approach to achieve the regulatory security management, network quality of service , a growing body of research and application . From the \The strategy is a set of the rules of the system behavior management . However, the application of the strategy in Intrusion Tolerance System -depth study of the aspects of the strategy description , strategic adaptive strategy of conflict detection and digestion , and caused by the policy adjustment performance jitter . In this paper, a description of the strategy method , conflict detection with digestion and other key technologies were analyzed and summarized the status quo . Focusing on the research status of the policy conflict detection algorithm to do the following innovations : ( 1) using the combined method of standardization of technology and potential conflict strategy library constructed a new policy conflict detection model . This model can effectively improve the detection efficiency of the strategy to avoid substantial jitter caused by network performance due to the detection of run-time strategy ; ( 2) design a treatment strategy application conflicts generic processing model . The processing model is independent of specific policy enforcement framework and specific policy description syntax , has good scalability and flexibility . Finally, the simulation experiments show design models and strategies for conflict management model of conflict detection has good detection and processing efficiency .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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