Traffic optimization in anonymous networks

Abstract

Anonymous communication networks, such as Tor, are facing big challenge how to deliver content to users in low latency and with no interruption. The latency issues were caused by increased amount of transferred data and low-bandwidth nodes in Tor network. Those are limiting overall circuit capacity providing to users. Conflux, the Tor plugin, is improving effort and decreasing latency time by creating multipath within Tor circuits. Conflux is doing dynamic traffic-splitting and load-balancing through multipath to improve throughput and avoid bottlenecks in Tor circuits. Our solution is focusing to analyze and modification network flows and sessions in Tor network. As an output of problem's analysis we're proposing possibilities to improve Conflux's performance by its modification and deploy to the Tor network. The paper describes solution implementation, setup and configuration Tor client and Tor exit node. We're explaining necessary modifications that need to be provided on Tor components. Our solution achieved average improvement versus Conflux more than 20% decrease of download time in various file size.