I hate to reply to my own message, it's embarrassing :) If you think my suggestion is totally out to lunch, please say so. I can handle some constructive criticism.
----- Original Message ----- From: "pineapple" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, October 29, 2003 12:34 AM Subject: [freenet-dev] Re: Frost and Routing - solution ? How about dynamicestimators? > This problem is due to having fewer estimators than > keys in the keyspace (due to resource constraints :) > and interpolating between estimators. The attack is > exploiting this interpolation. I propose using > dynamic estimators to thwart this attack. If an > estimator is "moving" a lot it is either due to dnf's > or the data being found nearby. In either case, it > may be a good idea to spawn one or more NEW estimators > near the old one. This way NGR can ddynamicallyscale > it's precision in certain parts of the keyspace if > there happens to be a lot of keys in that area or the > new estimators can act as a "wall" to thwart the > attack. Another idea is to have the estimators "move" > faster, but I think this would introduce more noise > into NGR. Maybe we could analyze the amount of NGR > noise and add more estimators if there is too much > noise. Just some thoughts. > > ----- Original Message ----- > From: "Toad" <[EMAIL PROTECTED]> > To: "Discussion of development issues" > <[EMAIL PROTECTED]> > Sent: Tuesday, October 28, 2003 5:22 PM > Subject: Re: [freenet-dev] Re: Frost and Routing - > solution ? > I have a better attack. You are targetting a > particular area of the > keyspace. Request a long stream of random keys very > close to the target > key. They will all DNF, and reduce the pDNF in that > area of each node > the node routes the request to, until the estimator is > so low that it > tries a different node. Keep on requesting and you can > effectively > eliminate the node's ability to route requests in that > region... I have > no idea how to fight this attack :(. Anyone have any > reason why it > wouldn't work? > __________________________________ Do you Yahoo!? Exclusive Video Premiere - Britney Spears http://launch.yahoo.com/promos/britneyspears/ _______________________________________________ Devl mailing list [EMAIL PROTECTED] http://dodo.freenetproject.org/cgi-bin/mailman/listinfo/devl
