[dns-operations] reopening discussion of stalled i-d: draft-ietf-dnsop-edns-chain-query

Paul Vixie paul at redbarn.org
Sun Nov 30 18:39:05 UTC 2014

> Tony Finch <mailto:dot at dotat.at>
> Sunday, November 30, 2014 6:26 AM
> You can do that with the current DNS protocol: just send all the queries
> and wait for all the replies. (This is particularly easy over TCP.)
> There's no need for more than one round trip in most cases, or maybe two
> if the answer involves CNAME/MX/SRV etc.
so, you're willing to send a query for every ancestor domain, even the
ones that turn out not to be zone cuts. you're also willing to transmit
microburst UDP, or to depend on RDNS servers having effectively
unlimited TCB capacity. i am not hip to any of that. see also:


Paul Vixie
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