-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

> http://wiki.freenetproject.org/FreenetZeroPointEight

To choose nodes for premix routing while avoiding the Sybil attack, have
you considered using a network flow algorithm like Raph Levien's trust
metric for Advogato?

http://www.advogato.org/trust-metric.html
http://www.levien.com/free/tmetric-HOWTO.html

The reported topology would be converted into a single-source
single-sink graph as in the Advogato metric, with your own node as the
source. The amount of flow through a node would determine the
probability of selecting it for premix routing.

Also, what's the advantage of using cells rather than exposing the
topology within a certain number of hops? Using a hop count effectively
puts each node at the centre of its own cell. The difference could be
important if we assume that nearby nodes are (to some extent) more
likely to be trustworthy - if I'm at the edge of a 6-hop-diameter cell,
the most distant node I need to trust is 6 hops away, whereas with a hop
count that covers the same number of nodes, the most distant node I need
to trust is 3 hops away.

Any thoughts?
Michael
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2.2 (GNU/Linux)

iD8DBQFEUNuxyua14OQlJ3sRAozDAJ9tPEhzwrEZQx+3pXTtuIwnAajXTwCg2cyw
/E1tIhS/A8W0yGBF9JUhEPs=
=oN7G
-----END PGP SIGNATURE-----

Reply via email to