Moin!
As the mic line was closed after Mark, and I didn’t have anything new
to say meaning I support the draft but don’t like the EDNS options
before Mark spoke I use email to comment on Marks comments.
We already have a mechanism where the Authority tells the resolver how
long to cache stuff it’s TTL and we have in pretty much all modern
resolvers mechanisms to cap the lower and upper bounds of that, which
means we occasionally ignore that. Serve-stale just adds to that. Having
a new knob where the authority tells the resolvers on how long to serve
stale that then will be ignored/capped just increases complexity with no
benefit.
Also if you integrated the serve stale with prefetching the actual
timers visible to the users go down to zero as you probably already
recursed before the record expired and didn’t get the answer. Maybe
you should note that in the timer section.
So long
-Ralf
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