Re: [freenet-chat] Crazy idea: How trust in darknets enables secure democratic censorship

I'm not sure that what you suggest is possible or helpful... It is
inevitable that content's popularity will vary from time to time... And
with per node failure tables it should be possible to find it on the
occasional somewhat-off-specialization node with a big store given
enough requests...

On Tue, Jul 12, 2005 at 08:34:13PM +0200, Rainer Kupke wrote:
> Matthew Toseland <toad-EI5O+8PHWbJeeLb3ft/[email protected]> wrote:
> 
> > On Tue, Jul 12, 2005 at 04:06:08PM +0200, Rainer Kupke wrote:
> > > > When a node drops data have it remember the hash for a *long* time. If
> > > > somebody tries to reinsert the data just act as if the insertion was
> > > > successfull and ignore it.
> 
> > Well, sometimes it's legitimate to reinsert data...
> 
> It is still not impossible to reinsert data. It just depends on the
> value of "long time".
> 
> There is only a problem for data that has "recently" fallen out of the
> net.
> 
> 
> How about this variant of my suggestion:
> If somebody tries to reinsert the data forward the insert as always, but
> never cache the data yourself.
> 
> The insert will be routed as always. 
> If all nodes in the "target area" have the data blacklisted it will not
> be inserted. 
> On the first reinsert there should be some nodes that don't have it
> blacklisted. 
> The result should be good enough, especially if there are people waiting
> for the data (and generating requests until it shows up).
> 
> Subsequent inserts will become more and more difficult as more nodes
> blacklist the data.
> 
> Obviously the value of "long time" must be large enough that all nodes
> in the "target area" eventually blacklist unpopular data if it is
> reinserted in short intervals.
> 
> Maybe "long time" should be dependent on how often the data has dropped
> out of the net. 

-- 
Matthew J Toseland - toad-EI5O+8PHWbJeeLb3ft/[email protected]
Freenet Project Official Codemonkey - http://freenetproject.org/
ICTHUS - Nothing is impossible. Our Boss says so.

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