12/06/2001
Jon Crowcroft, IAB
9
IP level intercept considered braindead
•First you need to capture and filter packets  on fiber in most core and inter-tier-1 provider points at >10Gbps now. Computers don’t have fast enough memory or buses to store more than a couple of seconds of this. In 2001, UK academic nets, for example, would require 2 terabits per second worth of storage. You can’t filter, ship or store this:
•Say you need to ship it somewhere – over what network? The net would have to be the square of its current speed – the agencies can’t afford this …