M - Technische Universität Dresden
M - Technische Universität Dresden
M - Technische Universität Dresden
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time<br />
Proof of anonymity for a RING access method<br />
Flow of the message frame around the ring<br />
.........................................................<br />
station 1 station 2<br />
attacker attacker<br />
empty<br />
M. 1<br />
M. 2<br />
.....<br />
M. n<br />
M. 1 empty<br />
M. 2<br />
. . .<br />
...<br />
M. n<br />
...<br />
alternatives: 123... n+1<br />
empty M. 1<br />
empty<br />
.......<br />
empty<br />
...<br />
...<br />
M. 2<br />
...<br />
M. 3<br />
...<br />
.<br />
M. 1<br />
M. 2<br />
M. 3<br />
11<br />
A. Pfitzmann 1983 - 1985<br />
Digital signal<br />
regeneration:<br />
The analogue<br />
characteristics of bits are<br />
independent of their true<br />
sender.<br />
.......<br />
The idea<br />
empty of physical unobservability<br />
and digital signal regeneration<br />
can be adapted to other topologies,<br />
i.e. tree-shaped CATV networks;<br />
It reappears in another context in Crowds
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