Improving Tor using a TCP-over-DTLS Tunnel

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Provided by: University of Waterloo
Topic: Data Management
Format: PDF
The Tor network gives anonymity to Internet users by relaying their traffic through the world over a variety of routers. All traffic between any pair of routers, even if they represent circuits for different clients, is multiplexed over a single TCP connection. This results in interference across circuits during congestion control, packet dropping and packet reordering. This interference greatly contributes to Tor's notorious latency problems. The authors' solution is to use a TCP-over-DTLS (Datagram Transport Layer Security) transport between routers.
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