Thanks, I'll read them up. Skimming through, I saw this: "We [...] have built a system we have deployed on the Tor anonymity network [8] and on PlanetLab [13]."

Thanks, I'll read them up. Skimming through, I saw this: "We [...] have built a system we have deployed on the Tor anonymity network [8] and on PlanetLab [13]." Do you know if it's still alive or what happened to it? Was it released/adopted at all?