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[GNUnet-developers] Re: Trust vs. Reputation

From: Ludovic Courtès
Subject: [GNUnet-developers] Re: Trust vs. Reputation
Date: Fri, 26 Nov 2004 09:32:43 +0100
User-agent: Mutt/1.5.3i


On Thu, Nov 25, 2004 at 12:27:14PM -0500, Christian Grothoff wrote:
> Why not?  Suppose you talked to 1 Million nodes.  Each trust level is 4 bytes 
> (plus say 20 to identify the node, makes 24).  That's 24 MB of data to keep. 
> So you can afford maintaining a trust history for every node you talked to. 


> No, that cooperation falls to zero is a different thing, their model is not 
> excess based, in an excess based model you would never see that peers decide 
> not to cooperate at all (since at that point all resources would become 
> excess resources).

Yes, good point.

> Turnover may increase, but still peers will try to establish and maintain 
> stable connections (that is, not change neighbours all the time).


> Nope, that's again one of the key differences in the P2P model: GNUnet uses 
> anonymous routing (traffic is indirected) and not a Direct-Connect/gnutella 
> style overlay where in the end a direct end-to-end connection is necessary. 
> This is one of the reasons why there is more locality in GNUnet and why the 
> economy will work better for GNUnet then for some 'arbitrary' P2P design.

I guess I should look at the GAP paper for a better understanding of
routing in GNUnet.  :-)


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