Martin Stone Davis wrote:
The whole point of NGR is that nodes learn the specializations of other nodes.
Yes, of course, other nodes should learn about the specialization of other nodes. But they must not be able to do so without propagating any data and spending a considerable amount of resources.
What bad thing would a malicious node operator do with that knowledge?
He could censor a certain document. Assume he has the resources to lauch a denail of service attack against a limited number of nodes. If he does not know, which nodes to attack, he will be out of luck.
When the nodes that specialized around the key to be censored are taken down, it will be pure chance to find the data unless it was already very popular before.
-- Thomas Leske
I don't think this is a major problem. If the author realized this was happening, the same document (essentially) could always be inserted at multiple places in the keyspace.
-Martin
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