Uses pcapdiff Glasnost Active 1.5 sided Java applet BitTorrent ICSI Netalyzr Active 1.5 sided Java applet + some javascript Firewall characteristics, HTTP proxies, DNS environment ICSI IDS Passive 0 sided (on the network) IDS Forged RSTs Not code users can run Google/New America MeasurementLab Active 2 sided PlanetLab (server), Any (client) Any A server platform for others' active testing software NDT Active 1.5 sided Java applet / native app TCP performance A sophisticated speed test Network Neutrality...