Randy Bush <ra...@psg.com> wrote:
estimate or measure the distribution of the ratio of udp to tcp queries
on say 100 cctld servers.

On 03.08.18 12:10, Tony Finch wrote:
On a recently rebooted auth server, which hosts zones for a handful of
universities with and without DNSSEC, slightly less than 1% of queries are
over TCP.

$ curl -Ssf http://authdns1.csx.cam.ac.uk:8053/json/v1 |
 jq '[ .nsstats.QryUDP, .nsstats.QryTCP ]'
[
 6994195,
 61575
]

I have a few config options which can affect TCP usage. These two should
reduce it:

        minimal-responses yes;
        minimal-any yes;

I don't think so. minimal-responses only skip unnecessary info, so they
should have no effect on TCP retries.

--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
Windows 2000: 640 MB ought to be enough for anybody
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