Re: [DNSOP] I-D Action: draft-bellis-dnsext-multi-qtypes-06.txt

[Richard Gibson]

This is conceptually similar to [accompanying-questions], but limits all 
questions to share a QNAME. The result is a more concise payload and 
simpler processing logic at the expense of an ability to request e.g. 
(www.example.com, A) and (_443._tcp.www.example.com, TLSA) in one query. 
I can imagine many scenarios where such queries would be valuable, 
though, and am suspicious about the tradeoff (which essentially supports 
only A+AAAA queries) being worthwhile. [accompanying-questions] had some 
[issues] of its own to work out, but seemed to fall at approximately the 
right level of flexibility for allowing clients to query for more than 
one tuple.

[accompanying-questions]: 
https://datatracker.ietf.org/doc/draft-yao-dnsop-accompanying-questions/
[issues]: https://www.ietf.org/mail-archive/web/dnsop/current/msg21085.html

On 07/02/2018 08:51 AM, internet-dra...@ietf.org wrote:
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           : DNS Multiple QTYPEs
         Author          : Ray Bellis
        Filename        : draft-bellis-dnsext-multi-qtypes-06.txt
        Pages           : 7
        Date            : 2018-07-02

Abstract:
    This document specifies a method for a DNS client to request
    additional DNS record types to be delivered alongside the primary
    record type specified in the question section of a DNS query.


The IETF datatracker status page for this draft is:
https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_draft-2Dbellis-2Ddnsext-2Dmulti-2Dqtypes_&d=DwICAg&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=-o8MJF7i0TzXAJRB0ncfTVfWKSyTG7nl_iTLU_A2B7c&m=qoeMRqSzFwqsFQC8jC1yu3vx8EparFX7LesUv2k9jCM&s=nAF1psaBl4BrcSH12DDD8-h4jVVriftlNvhtAmFlY5Q&e=

There are also htmlized versions available at:
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https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.org_doc_html_draft-2Dbellis-2Ddnsext-2Dmulti-2Dqtypes-2D06&d=DwICAg&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=-o8MJF7i0TzXAJRB0ncfTVfWKSyTG7nl_iTLU_A2B7c&m=qoeMRqSzFwqsFQC8jC1yu3vx8EparFX7LesUv2k9jCM&s=8WzllvYxQajep8eqJqq3yV2J_tRoOKYnow5bwzceXx8&e=

A diff from the previous version is available at:
https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_rfcdiff-3Furl2-3Ddraft-2Dbellis-2Ddnsext-2Dmulti-2Dqtypes-2D06&d=DwICAg&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=-o8MJF7i0TzXAJRB0ncfTVfWKSyTG7nl_iTLU_A2B7c&m=qoeMRqSzFwqsFQC8jC1yu3vx8EparFX7LesUv2k9jCM&s=J471bGTuh5C7VV8996erxtZkgU-KZ5fbUOgkqqEtR-I&e=


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