Hello,
> Please review current verion.
I have two data points to back some of your claims:
"EDNS0 is now widely deployed"
* We have some data to back this claim up -- but only from a ccTLD
authoritative DNS vantage point. In short: 90% of the queries .nl sees
have EDNS0. See data in [0].(if that helps)
"and DNS (over UDP) is said to be the biggest user of IP fragmentation."
It would be nice to have some ref for that (but I don't one).
From the .nl servers, we see ~10k fragmented queries from 2.2B daily.
Sec 3.2 in [1].
thanks,
/giovane
[0]
https://stats.sidnlabs.nl/en/dns.html#edns%20buffer%20size#edns%20buffer%20size
[1]
https://www.sidnlabs.nl/downloads/4nEIOFHKbAStsWQhh2l4Lr/5e69fe630bc7290713eb9638c2229828/Fragmentation__truncation__and_timeouts_are_large_DNS_messages_falling_to_bits.pdf
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