--* Tavin Cole (Wed, Feb 06, 2002 at 09:02:59AM -0500) *--
> So pipenet/AnonNet is a replacement for a TCP/IP stream opened to
> another host, with the semantic difference of not revealing to the
> receiver how to contact the originator, so that replies can only be made
> while the link is open.
>
<snip>
>
> Since you'd have to do this at each hop it would probably hurt
> performance a lot. It's hard to quantify how much "extra anonymity"
> you'd derive.
Actually, I was rather thinking of a prerouting step at each request,
instead of at each hop. Performance loss would be less than performing
the prerouting at each hop. When operating in 'basic freenet mode' (ie.
after the prerouting step) you would be sure that the preceding node is
just forwarding a request. Anonimity for data storers would then solely
rely on 'plausible deniability', while still providing extra anonimity
for inserters and retrievers through the prerouting step.
> There's also the problem of links failing. They'd have to be
> re-established from the originating end with some kind of session key,
> which would force nodes to hold on to reply messages until Alice reopens
> the link. Not fun at all, particularly with the current architecture.
This could be a real problem. We've been thinking about that. Also,
there's the possible threat of connection setup. It could be considered
'a lightning' that flashes up in the dark. That reveals the routing that
you're trying to make 'secret', not something we want.
> As a side note, it might be worth exploring the addition of traffic
> shaping (or un-shaping ;-) features to Freenet like those found in
> pipenet/AnonNet, regardless of whether the onion-routing aspect
> can be made useful.
I'll have a look into that. Unfortunately, I'll have to focus on the
anonimity aspects, due to the limitations of my thesis subject ;-)
--nico
--
nico galoppo - tremelo/leuven, belgium
- baalsebaan 163, 3120 tremelo
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