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中文摘要：
当前的域间路由系统缺乏对路径真实性的验证，可能导致虚假路径信息大量传播，带来大规模的网络失效．为了提高路由抑制虚假路径的能力，文中将信任机制引入到域间路由中，采用可信度表示路径的真实可信程度，提出了基于可信度的域间路由机制，其主要思想为在路径选择时考虑路径的可信度，选取可信度高的路径作为最优路径．在该机制下，构建了一个Chord环进行信任信息的发布与获取，部署了虚假路径检测措施的AS根据检测结果在Chord环中发布信任信息，没有部署虚假路径检测措施的AS从Chord环中获取信任信息来计算候选路径的可信度，基于可信度进行路径选择．实验结果表明基于可信度的域间路由机制能够快速抑制虚假路径，在一定程度上解决路由机制的不可信问题．
英文摘要：
Current inter-domain routing does not verify the reality of the received routes, it may cause the large-scale spread of false routes. To filter false routes, trust is introduced to inter-domain routing and an Trust Degree based Inter-domain Routing Mechanism（TDIRM） is proposed in this paper. The main idea of TDIRM is computing the trust degree of candidate paths and selecting the best path according to the trust degree. In TDIRM,Some ASes are selected to build a Chord ring for publishing and acquiring trust information of routing. ASes that can detect the false paths publish the trust information in the Chord ring, and other nodes can obtain the trust information from the Chord ring, compute the trust degree of the routes and select the trustworthy route information to distribute. The experimental results show that TDIRM can filter the false routes timely and improve the trustworthiness of routing.
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