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An NSDI paper for the WIDE team

Congratulations to David Bromberg, Davide Frey, and Quentin Dufour for their paper entitled “DONAR: Anonymous VoIP over Tor” accepted at NSDI 2022! Congratulations to their co-author Etienne Rivière from UC Louvain!

DONAR is a system enabling anonymous VoIP with good quality of experience (QoE) over Tor. No individual Tor link can match VoIP networking requirements. DONAR bridges this gap by spreading VoIP traffic over several links. It combines active performance monitoring, dynamic link selection, adaptive traffic scheduling, and redundancy at no extra bandwidth cost. DONAR enables high QoE: latency remains under 360 ms for 99% of VoIP packets during most (86%) 5-minute and 90-minute calls.

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