Alex Guy packets (stars) tor routers users web servers (squares)
Overview of Tor Distributed anonymity network “The Onion Router” A user connects to a random chain of 3 routers No router knows both the start and end points Dave Bob Wikipedia.org Alice Carol User Tor routers Web server
Simulation Overview Loads geographic Tor router locations Picks random points for users and servers (unfortunately in the ocean) Generate packets with random paths Continuously advance each packet to its destination < MATLAB > ... >> t %run simulation in t.m
Animation With a global view, can we trace traffic from start to end?