(Sorry for the belated feedback.) I was just reading the document to work on some early implementation during the Hackathon and noticed a small inconsistency: Section 2 defines the wire-format and states for the OPTION-LENGTH it „[…] should be 4 plus the length of the EXTRA-TEXT section (which may be a zero-length string)“. However, I think the length is meant to be *2* plus the length of the text and this is still a remnant of an earlier version.
For the sake of consistency, you might also think about using the
„2-octets/16-bits“ notation for the INFO-CODE definition as well.
– Tim
> Am 02.10.2019 um 07:43 schrieb [email protected]:
>
>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Domain Name System Operations WG of the IETF.
>
> Title : Extended DNS Errors
> Authors : Warren Kumari
> Evan Hunt
> Roy Arends
> Wes Hardaker
> David C Lawrence
> Filename : draft-ietf-dnsop-extended-error-12.txt
> Pages : 14
> Date : 2019-10-01
>
> Abstract:
> This document defines an extensible method to return additional
> information about the cause of DNS errors. Though created primarily
> to extend SERVFAIL to provide additional information about the cause
> of DNS and DNSSEC failures, the Extended DNS Errors option defined in
> this document allows all response types to contain extended error
> information. Extended DNS Error information does not change the
> processing of RCODEs.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-dnsop-extended-error/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-dnsop-extended-error-12
> https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-extended-error-12
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-dnsop-extended-error-12
>
>
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
> _______________________________________________
> DNSOP mailing list
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> https://www.ietf.org/mailman/listinfo/dnsop
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