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 The ultra-low latency and innovative design of the Concentrator allows additional Concentrators to be connected for more ports or to act as repeaters to cover long distances, all while maintaining very low latency.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. This ease of use greatly reduces total cost of ownership (TCO) since little or no configuration, management, or training are required in order to operate with optimal performance. With auto-detection ports and an open network architecture, the Concentrator provides an extremely easy setup and is ideal for quick implementations and fast changing environments. With 10 Gigabits per second of bidirectional throughput available to all nodes, the Concentrator is an ideal top-of-rack (TOR) switch replacement for data-intensive and streaming media applications in high performance data center and lab networks. With less than 100ns port-to-port FIFO latency and very low jitter, Concentrators are the preferred solution for latency sensitive applications. The Concentrator goes beyond the ultra-low latency category to the sub-100-nanosecond realm of “nano-latency”.
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