reply to BosstonesOwn
said by BosstonesOwn:Puking out a copy of a captured packet with the RST bit set to 1 and injecting viable content into an existing TCP session and having it properly render are completely different scenarios.
Just like Sandvine , they can forge tcp packets with DPI , it depends on how crafty they get.
You're talking about the difference between building a paper airplane and building a space shuttle. To do the ad injection you would have to pass all port-80 traffic through content engines which could adjust the composition of the layer7 data to ensure proper rendering by web browsers.