![]() ShorTor reduces the latency of Tor circuits by 122 ms at the 99th percentile. Latency for the 99th percentile of relay pairs in Tor by 148 ms. ![]() onion router, is the largest anonymity network in existence today. Tor circuits chosen according to Tor's specification. distinctive signal over the Tor network that can be detected using traffic analysis. We use our measurementĭataset to simulate the impact on end users by applying ShorTor to two million ![]() Lower latency than the direct route between them. Relays where introducing an additional intermediate network hop results in With thisĭata, we identify pairs of relays that could benefit from ShorTor: that is, two Relays, which collectively see the vast majority of Tor traffic. To evaluate ShorTor's performance, we collect a real-worldĭataset of over 400,000 latency measurements between the 1,000 most popular Tor We augment our theoretical claims with anĮmpirical analysis. Security of ShorTor using the AnoA framework, showing that ShorTor maintainsĪll of Tor's anonymity guarantees. Taken in ShorTor are in no way correlated to either the Tor user or theirĭestination, including the geographic location of either party. ![]() While preserving Tor's existing security properties. The path selection performed by Tor clients. ShorTor functions as an overlay on top of onion routing-Tor'sĮxisting routing protocol and is run by Tor relays, making it independent of ShorTor uses multi-hop overlay routing, a technique typically employed byĬontent delivery networks, to influence the route Tor traffic takes across the Authors: Kyle Hogan, Sacha Servan-Schreiber, Zachary Newman, Ben Weintraub, Cristina Nita-Rotaru, Srinivas Devadas Download PDF Abstract: We present ShorTor, a protocol for reducing latency on the Tor network.
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