news: its not expensive. networks TAPS are commodity these days. dpi is something 'every box' does (or plans to do). no longer really a differentiator.I work in the networking field and over the last 10 yrs I have seen a burst of boxes that offer 'security' and other things but mostly they are there for LI and DPI. its the new fad in datacomm and all the governments are into spying on their people.