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Re: [DNSOP] [EXT] Re: draft-schanzen-gns and draft-ietf-dns-alt-tld

Paul Wouters <paul@nohats.ca> Mon, 08 August 2022 12:35 UTC

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From: Paul Wouters <paul@nohats.ca>
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Date: Mon, 08 Aug 2022 08:35:30 -0400
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References: <c9031076-a424-887a-3c1d-b8beb0746f84@rfc-editor.org>
Cc: Joe Abley <jabley@hopcount.ca>, Christian Huitema <huitema@huitema.net>, George Michaelson <ggm@algebras.org>, John Levine <johnl@taugh.com>, dnsop@ietf.org
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To: "Independent Submissions Editor (Eliot Lear)" <rfc-ise@rfc-editor.org>
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Subject: Re: [DNSOP] [EXT] Re: draft-schanzen-gns and draft-ietf-dns-alt-tld
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On Aug 8, 2022, at 06:16, Independent Submissions Editor (Eliot Lear) <rfc-ise@rfc-editor.org> wrote:
> 
> Ease of deployment: ability to use whatever application and OS interfaces such as nsswitch.conf, a plugin in a browser, etc.

The only new use of nsswitch for the “hosts” entry within the last 20 years that I know of is systemd-resolved. It causes applications that use gethostbyname() versus getaddr_info() to see different results. It overloads the underlying resolving system in a bad way to become unpredictable and variable. Plus it is not a valid mechanism universally supported on most devices so while some laptops might use it, it’s not available on billions of phones.

It is not a viable choice outside of a few nerds who are fully capable of getting a browser plug-in to handle gns:// URIs. Which would still allow all DNS parsing libraries to be used on the names.

Paul

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