[dns-operations] Questions on DNS Flag day 2020 proposal

Jerry Lundström jerry at dns-oarc.net
Wed Jul 3 11:33:12 UTC 2019

Hi Davey,

On 7/3/19 9:49 AM, Davey Song wrote:
> 1) In the Q&A part of index.md, under the question "Q: Will this Flag Day
> require a software update?",
> it is said "DNS software which follows published standards does not require
> upgrade" . It will give people a
> impression that nothing should be done by the operators. Actually,
> operators should change the configuration
> of default EDNS buffer size (~1220). I suggest an addtional note should be
> made on this question.

Well, the question was specifically about software update, not
configure. And, if you ask me, there is plenty of mentioning about
configure change in the text.

Is this a language thing maybe? I have never heard anyone say "software
update" and meant a configure change.

> 2) Regarding the test results message in 2020_checker.yml, there are four
> cases. I'm curious about
> the failure cases. What's the difference among Minor, serious and fatal
> problems?  I mean what situation
> will cause the different problem error message from the tester's view. This
> question will help the understanding
> of readiness for 2020 DNS Flag Day.

Petr is more familiar with ISC's EDNS tester; Petr, can you answer this?


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