On 1 May 2025, at 22:57, Ted Lemon <mel...@fugue.com> wrote:

> If validating stubresolvers all go to the root, we get no benefit from 
> caching. That seems bad if at some point they become commonplace, although of 
> course it’s fine now. 

I think validating stub resolvers need to go to the root in a namespace sense. 
They need to retrieve sufficient generations of parental data to be able to 
validate an RRSet attached to a child. This data might well be cached at a node 
in the resolver graph close to the stub. 

I don't think validating stub resolvers need to send queries to root servers.

I think we are overloading the word "root" and the result is some mild 
confusion.


Joe
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