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Research on Privacy Preservation in Grid Environment

Author: JingShunLi
Tutor: XuFeng
School: Nanjing University of Aeronautics and Astronautics
Course: Applied Computer Technology
Keywords: Grid Security Privacy Sensitive Attributes Binary Tree Semantic Conversion XML
CLC: TP393.08
Type: Master's thesis
Year: 2010
Downloads: 95
Quote: 1
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Abstract


With the development of the grid technology , it is increasingly concerned about the safety of the grid system . Grid computing, collaborative computing grid node , partners of mutual trust , it may not be completely trusted collaborators , even competing rivals . The existing grid computing model grid user identity information , tasks involving sensitive information , disclosure of private information grid terminal problem . These private information leaks , will give participants of grid computing to bring very serious consequences , but also restricts the extensive use of grid technology . Therefore, privacy research in grid environment has become an important aspect of the grid security research field . Privacy information disclosure issue exists in the grid environment , the main work of this paper is as follows : First , the paper describes the security issues in the grid environment and security needs , privacy needs analysis grid environment , in-depth research and analysis of privacy protection of critical technologies . Secondly, this paper analyzes the reasons of privacy information disclosure grid environment for users to submit tasks involving sensitive attribute information leak problem to study proposed a model of privacy protection in a grid environment , and apply to the task-based model of privacy protection algorithms . In practical application , the resources in the terminal classification in the grid environment , the terminal is divided into the trusted / untrusted terminal . So , depending on the terminal type separate privacy protection algorithm based on sensitive attribute operation ; further consider the load balancing problem of grid service center , proposed privacy protection algorithm based on super- node . Finally , the use of the GridSim simulation tools , combined with JCreator development environment , and GridSim improve , the simulation experiments . The experimental results show that the program is feasible in a grid environment , and depending on the grid environment can build different grid topologies to achieve the best task processing time .

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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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