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首页> 外文期刊>IEEE transactions on mobile computing >Performance and Security Analyses of Onion-Based Anonymous Routing for Delay Tolerant Networks
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Performance and Security Analyses of Onion-Based Anonymous Routing for Delay Tolerant Networks

机译：延迟容忍网络的基于洋葱的匿名路由的性能和安全性分析

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摘要

Delay tolerant network (DTN) routing provides a communication primitive in intermittently disconnected networks, such as battlefield communications and human-contact networks. In these applications, the anonymity preserving mechanism, which hides the identities of communicating parties, plays an important role as a defense against cyber and physical attacks. While anonymous routing protocols for DTNs have been proposed in the past, to the best of our knowledge, there is no work that emphasizes analysis of the performance of these protocols. In this paper, we first design an abstract of anonymous routing protocols for DTNs and augment the existing solution with multi-copy message forwarding. Then, we construct simplified mathematical models, which can be used to understand the fundamental performance and security guarantees of onion-based anonymous routing in DTNs. To be specific, the delivery rate, message forwarding cost, traceable rate, and path and node anonymity are defined and analyzed. The numerical and simulation results using randomly generated contact graphs and the real traces demonstrate that our models provide very close approximations to the performance of the anonymous DTN routing protocol.
机译：延迟容忍网络（DTN）路由在间歇性断开的网络（例如战场通信和人接触网络）中提供通信原语。在这些应用程序中，隐藏通信方身份的匿名保留机制在抵御网络和物理攻击方面起着重要的作用。尽管过去已经提出了DTN的匿名路由协议，但据我们所知，目前尚无任何工作着重分析这些协议的性能。在本文中，我们首先设计了DTN的匿名路由协议的摘要，并通过多副本消息转发来扩展现有解决方案。然后，我们构造简化的数学模型，该模型可用于了解DTN中基于洋葱的匿名路由的基本性能和安全保证。具体而言，定义并分析了传递速率，消息转发成本，可跟踪速率以及路径和节点匿名性。使用随机生成的接触图和真实轨迹的数值和仿真结果表明，我们的模型非常接近匿名DTN路由协议的性能。

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