TCP Performance in Flow-Based Mix Networks: Modeling and Analysis

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Executive Summary

Anonymity technologies such as mix networks have gained increasing attention as a way to provide communication privacy. Mix networks were developed for message based applications such as email, but researchers have adapted mix techniques to low-latency, flow-based applications such as anonymous web browsing. Although a significant effort has been directed at discovering attacks against anonymity networks and developing countermeasures to those attacks, there is little systematic analysis of the Quality of Service (QoS) for such security and privacy systems.

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