| Design and analysis of two-layer anonymous communication system |
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| 作者姓名： | 王伟平 王建新 |
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| 作者单位： | School of Information Science and Engineering, Central South University, Changsha 410083, China |
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| 基金项目： | 国家自然科学基金;教育部跨世纪优秀人才培养计划;教育部长江学者和创新团队发展计划 |
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| 摘 要： | A new architecture for scalable anonymous communication system（SACS） was proposed. The users were divided into several subgroups managed by different sub-blenders, and all sub-blenders were managed by the main-blender using two layers management scheme. The identity information of members are distributed on different sub-blenders, which makes each member keep much less information and network overload greatly reduce. The anonymity and the overhead of the new scheme were analyzed and compared with that of Crowds, which shows the cost of storage and network overhead for the new scheme largely decreases while the anonymity is little degraded. The experiment results also show that the new system architecture is well scalable. The ratio of management cost of SACS to that of Crowds is about 1：25 while the value of P（1｜H1＋） only increases by 0.001-0.020, which shows that SACS keeps almost the same anonymity with Crowds.
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| 关 键 词： | 易扩缩性 匿名性 性能分析 通信系统 建筑学体系机构 |
| 收稿时间： | 24 July 2006 |
| 修稿时间： | 2006-07-242006-10-27 |
Design and analysis of two-layer anonymous communication system |
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| Wang Wei-ping,and Wang Jian-xin.Design and analysis of two-layer anonymous communication system[J].Journal of Central South University of Technology,2007,14(3):380-385. |
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| Authors: | Wang Wei-ping and Wang Jian-xin |
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| Affiliation: | School of Information Science and Engineering, Central South University, Changsha 410083, China |
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| Abstract: | A new architecture for scalable anonymous communication system(SACS) was proposed. The users were divided into several subgroups
managed by different sub-blenders, and all sub-blenders were managed by the main-blender using two layers management scheme.
The identity information of members are distributed on different sub-blenders, which makes each member keep much less information
and network overload greatly reduce. The anonymity and the overhead of the new scheme were analyzed and compared with that
of Crowds, which shows the cost of storage and network overhead for the new scheme largely decreases while the anonymity is
little degraded. The experiment results also show that the new system architecture is well scalable. The ratio of management
cost of SACS to that of Crowds is about 1:25 while the value of P(IsvH1+) only increases by 0.001–0.020, which shows that SACS keeps almost the same anonymity with Crowds.
Foundation item: Projects(60403032) supported by the National Natural Science Foundation of China; Project (NCET-05-0683) supported by the
New Century Excellent Talents in University, China; Project(IRT0661) supported by Changjiang Scholars and Innovative Research
Team in University, China |
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| Keywords: | scalability anonymity performance analysis communication system |
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