Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended-error-04.txt
Dick Franks <rwfranks@acm.org> Thu, 21 February 2019 01:18 UTC
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References: <154689301066.32204.17312124670782800354@ietfa.amsl.com> <ybl1s5nxgau.fsf@w7.hardakers.net> <3c2ef704-148f-ed03-26a9-8ea29256acc2@nic.cz> <56e824cf-37e3-0880-0192-2ee46a818345@nic.cz>
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From: Dick Franks <rwfranks@acm.org>
Date: Thu, 21 Feb 2019 01:17:49 +0000
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To: Petr Špaček <petr.spacek@nic.cz>
Cc: IETF DNSOP WG <dnsop@ietf.org>
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Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended-error-04.txt
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On Wed, 20 Feb 2019 at 11:27, Petr Špaček <petr.spacek@nic.cz> wrote: 8< > Yet another code propodsl: > * answer with stale data > > The resolver was unable to resolve answer within its time limits and > decided to answer with stale data instead of answering with an error. > This is typically caused by problems on authoritative side, possibly > as result of an DoS attack. Retrying is likely to cause load and not > yield a fresh answer, RETRY=0. > > Here is a problem that this code point is applicable to NOERROR as well > as NXDOMAIN answers so I'm not sure how to categorize it. This > reinforces my unanswered question why the draft proposes to copy RCODE > into EDE. > This seems to be a good argument in favour of a one-dimensional error table. --Dick
- [DNSOP] I-D Action: draft-ietf-dnsop-extended-err… internet-drafts
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Wes Hardaker
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Petr Špaček
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Stephane Bortzmeyer
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Stephane Bortzmeyer
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Michael J. Sheldon
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Warren Kumari
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Brian Dickson
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Stephane Bortzmeyer
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Stephane Bortzmeyer
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Jim Reid
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Stephane Bortzmeyer
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Petr Špaček
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Dick Franks
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Wes Hardaker
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Wes Hardaker
- Re: [DNSOP] I-D Action: draft-ietf-dnsop-extended… Wes Hardaker