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>
> Rather than me try to defend this proposal against vague and
> unsubstantiated criticism, I will first ask you to say exactly what is
> wrong with this idea.
Sending to all or even some portion of the nodes you know is too much
traffic. If you send to 10 nodes, and they send to 10 nodes, its like a
chain letter. Also, an attacker need only send an update to discover all
the nodes neighboring a single node. Then it monitors those nodes, and
can in a feasible amount of time determine the topography of
freenet... much faster than if he/she had to watch normal traffic.
> assumption that there is a central "source" node for all data to which
> all requests will be directed if not first intercepted by nodes caching
> the data. This assumption is false. Secondly, even if there was such
> central location, given that the vast majority of people, given the
> choice, would want the latest version of the data, the whole caching
> mechanism would basically end up not being used!
No, it assumes no such thing. It merely continues to follow the ordinary
route beyond the first occurance of data. This doesn't mean that it will
necessarily find anything. In fact, even if it doesn't, all its ensuring
is that the edges of HTL are explored. Also, it doesn't affect caching,
since if the closest document was also as recent as the newest update,
you're still getting the *data* from that close node. You are only
sending control messages out to HTL depth.
It also means that you don't trigger an avalanche of monitorable
communication.
> > So: A) This proposal probably wouldn't work
>
> Yes, but all of these messages would be directed towards one
> (potentially non-existent!) central source for the data, which would
> probably fall-over immediately if the data was popular. A
> double-failure!
Its not causing the data to be placed at any central source, nor is it
causing increased data traffic at that non-existant source. So thats a
double-negation. ;)
Scott
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