I think we should take a closer look at draft-nottingham-public-resolver-errors 
before proceeding to publish this document.  That draft fixes this draft's 
internationalization problem, but accepting both would result in duplicate 
mechanisms for conveying error text.

Fixing internationalization also reduces the need for detailed structured data, 
such as the "suberror" field.  Without internationalization, we need fields and 
codepoints to represent various concepts that can be presented to the user by a 
localized client.  With internationalization, we can ask the server operator to 
localize its own explanation, and avoid trying to write a universal 
machine-readable language for the extremely messy and sensitive business of 
policy enforcement.

draft-nottingham-public-resolver-errors also solves several technical problems 
with this draft:
1. Overall efficiency.  Repeating the entire explanation in EXTRA-TEXT with 
every blocking response is wasteful of bandwidth, especially if most clients 
ignore it.
2. MTU. The text we are discussing here might well need to include legal 
boilerplate that would exceed the MTU, limiting any potential use of this draft 
with connectionless transports.

--Ben Schwartz

________________________________
From: Benno Overeinder <be...@nlnetlabs.nl>
Sent: Saturday, October 26, 2024 4:10 PM
To: DNSOP Working Group <dnsop@ietf.org>
Cc: DNSOP Chairs <dnsop-cha...@ietf.org>
Subject: [DNSOP] Working Group Last Call draft-ietf-dnsop-structured-dns-error

Dear all,

The draft-ietf-dnsop-structured-dns-error has seen several revisions and
there has been considerable discussion on the mailing list and in the
WG.  At IETF 116, Gianpaolo Scalone (Vodafone) and Ralf Weber (Akamai)
presented a proof of concept of this specification.

The authors and the WG chairs believe the draft is ready for a Working
Group Last Call.


This initiates the Working Group Last Call (WGLC) for
draft-ietf-dnsop-structured-dns-error, "Structured Error Data for
Filtered DNS."

The draft can be reviewed here:
https://urldefense.com/v3/__https://datatracker.ietf.org/doc/draft-ietf-dnsop-structured-dns-error/__;!!Bt8RZUm9aw!8c_SfguaBa4m5E5hYYSWvIot1EKvRE_tHf9NZritJsp_RUuU9hJdgCE6U_tbihwV3JXY617iTXhDXg$

Intended Status: Proposed Standard
Document Shepherd: Benno

Please take the time to review this draft and share any relevant
comments.  For the WGLC to be effective, we need both positive support
and constructive feedback; a simple lack of objection isn’t enough.

If you believe this draft is ready for publication as an RFC, please
state your support.  Conversely, if you feel the document isn’t ready
for publication, please provide your concerns and reasoning.

This starts a two-week Working Group Last Call process, concluding on
November 9, 2024.

Thank you,

Suzanne
Tim
Benno

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