[Add] [Technical Errata Reported] RFC9463 (7804)

RFC Errata System <rfc-editor@rfc-editor.org> Fri, 09 February 2024 01:33 UTC

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Subject: [Add] [Technical Errata Reported] RFC9463 (7804)
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The following errata report has been submitted for RFC9463,
"DHCP and Router Advertisement Options for the Discovery of Network-designated Resolvers (DNR)".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid7804

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Type: Technical
Reported by: David Härdeman <david@hardeman.nu>

Section: 6.1

Original Text
-------------
Note that the "Addr Length", "ipv6-address(es)", and "Service 
Parameters (SvcParams)" fields are not present if the ADN-only mode 
is used (Section 3.1.6).

Corrected Text
--------------
Note that the "Addr Length", "ipv6-address(es)", "SvcParams 
Length", and "Service Parameters (SvcParams)" fields are not 
present if the ADN-only mode is used (Section 3.1.6).

Notes
-----
The paragraph is presumably copied from section 4.1 (DHCPv6 Encrypted DNS Option), and omits the "SvcParams Length" field, which is only present in the IPv6 RA Encrypted DNS Option. Mandating the presence of a superfluous length field when using the ADN-only mode seems like an oversight.

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RFC9463 (draft-ietf-add-dnr-16)
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Title               : DHCP and Router Advertisement Options for the Discovery of Network-designated Resolvers (DNR)
Publication Date    : November 2023
Author(s)           : M. Boucadair, Ed., T. Reddy.K, Ed., D. Wing, N. Cook, T. Jensen
Category            : PROPOSED STANDARD
Source              : Adaptive DNS Discovery
Area                : Internet
Stream              : IETF
Verifying Party     : IESG