Toward Continual Measurement of Global Network-Level Censorship
Paul Pearce, Roya Ensafi, Frank Li, Nick Feamster, Vern Paxson · IEEE Security & Privacy · 2018
Many accounts of censorship begin—and end—with anecdotes or short-term studies from a handful of vantage points. To enable continuous measurement of network-level censorship on an Internet-wide basis, Augur leverages TCP/IP side channels to measure reachability between two Internet locations from off-path third-party vantage points.