Keep in mind that this DPI system, besides making it easier to monitor people's communications and even censor them, would also make it very easy for them to identify the type of traffic that goes through the pipes, so they can know exactly how to charge it differently, which brings us to another one of ITU's proposals, which is to kill net neutrality and charge for "premium services" like watching Youtube, or using other type of P2P traffic (Skype, WebRTC, torrents, etc):
http://itu4u.wordpress.com/2012/10/25/proposal-for-ict-and-i...
They want to do this, they say, to help "grow the Internet" (hasn't the Internet grown fast enough without their help in the past 20 years?), despite the fact that evidence suggests that the sender-pays system would slow down the growth of the Internet, not make it any faster (research paper):
http://mercatus.org/publication/do-high-international-teleco...