34 May 2006 - 34 Systems Architecture http://sar.informatik.hu-berlin.de Cover Traffic (2) ● cover traffic >= 2*( real data sent) ● Freedman/Morris: outgoing ’real’ data to a single tunnel <= 1/3*(incoming data + cover traffic) -Annahme: mindestens 1/3 der Mimics sind vertrauenswürdig ● Kosten: jede Menge Overhead..