The end result is a plethora of channels with little real traffic on them, mostly "reserved for future use". But to avoid traffic analysis ( http://en.wikipedi

The end result is a plethora of channels with little real traffic on them, mostly "reserved for future use". But to avoid traffic analysis ( http://en.wikipedia.org/wiki/Traffic_analysis http://en.wikipedia.org/wiki/Traffic_analysis ) dummy traffic fills them.