link-layer encryption for sonet/atm quite resistant to traffic analysis... The pipe is full of pdus whether you're using them or not.
valdis.kletni...@vt.edu wrote: > On Tue, 02 Jun 2009 13:54:44 EDT, Martin Hannigan said: >> It would also be cheaper to add an additional layer of security with >> encryption vs. roving teams of gun toting manhole watchers. > > Even if encrypted, you can probably do an amazing amount of traffic > analysis to tell when something is afoot. Ask any pizzeria near State Dept > or Pentagon. ;) > > (That, plus it's easier to break an encryption if you have gigabytes of > data to work with, than if you don't have any data to work with...)
