Re: [DNSOP] [Ext] I-D Action: draft-ietf-dnsop-svcb-https-05.txt

Ben Schwartz <bemasc@google.com> Sat, 15 May 2021 01:10 UTC

Return-Path: <bemasc@google.com>
X-Original-To: dnsop@ietfa.amsl.com
Delivered-To: dnsop@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BF0453A0DC6 for <dnsop@ietfa.amsl.com>; Fri, 14 May 2021 18:10:36 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -17.599
X-Spam-Level:
X-Spam-Status: No, score=-17.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=google.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hAihW20RhXGU for <dnsop@ietfa.amsl.com>; Fri, 14 May 2021 18:10:32 -0700 (PDT)
Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id F01F33A0DC2 for <dnsop@ietf.org>; Fri, 14 May 2021 18:10:31 -0700 (PDT)
Received: by mail-wm1-x32a.google.com with SMTP id 82-20020a1c01550000b0290142562ff7c9so542724wmb.3 for <dnsop@ietf.org>; Fri, 14 May 2021 18:10:31 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=AMXujDgvweUGeHr6x30kCylSN4ayVPr8MRjt5tfTSH0=; b=BvU5CXVGtRgof8XhcmknXJ0wg8fk7PmStjY8fjw0iX+ZdrRkEZf+rUCaJ7m+DNDMy6 TEWojPMiY7djMh8JHwMErKLSBuhekOh38bOH6cKGNypB3WkZexmR3/8+ToUlT8yZIfl5 jGv79G8lUrkZan1LAvCaRb3D/zvyEH6qGkF0Wdgp9cAw8r7LmgIh0fdeqQBQ8OiVVhFE Q4S8CS+j2VyIopqDzLJYG+3cqUHKTu+Fkw/lyXAAxdfyKSZhw4Bh7sAsRnSFSsetcr8T opVpwSUgWjHh+5kTFKdeB6BAe0IdA/MVuiecXI02pvTXtM6XiwbKEj1C4/7mku9amFfa pgBQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=AMXujDgvweUGeHr6x30kCylSN4ayVPr8MRjt5tfTSH0=; b=fmLpgLWOyB3SunJs4NhTVSyXE3NoAGBDd9lSn/2HnCoHuljsb/cvj1IMdCXc2/LK7v BL27+gQxPd3ZQXdgc9lTylkbl9UYsY5VomqOKMm/Ogj08Ocjv24MfXgQPJdGMyx2G3sl CBUANIW/Xodn5puwobF+MGG+g+Z1AEDdoFxOXxmxFI1vLBmmJ6iHNXtYCkYTO3JpulSk F/Rai2wdp4/Upe6D1DCvkuAQMxbMvgerkCZYJGjvrD2QekfEdlbq3/JWKEnmt5HT1sEI ogQ00yCZhRsnij8/KaKGMhxJ+xrt49dmUgcB8SoQ56C/Wn8Q/0xy6lqQEbLTlypifqTw X6AQ==
X-Gm-Message-State: AOAM532FHy7CCSVjG2GZGlYxh8KoRaQjta2/UKhz5Lytq7HMJ5lu1rRM FRYGUVGNzL6/2O1vlpS0GiThTB3GMAeY9Qa5coU/aJChZWE=
X-Google-Smtp-Source: ABdhPJwdITwl212XK5IFx/duCDgpQQB70Oxt610hAzifk7LJ3X4+Wcc8zanktLO2XiGckZtywVqZdg6wUiKQtNLvcQI=
X-Received: by 2002:a7b:c196:: with SMTP id y22mr52709956wmi.1.1621041029098; Fri, 14 May 2021 18:10:29 -0700 (PDT)
MIME-Version: 1.0
References: <CAH1iCirv=qmz5W3F97cx2btLZ5pEvpW0xu_x2A5ufUK0mWBGgw@mail.gmail.com> <20210515004716.8726E7D082E@ary.qy>
In-Reply-To: <20210515004716.8726E7D082E@ary.qy>
From: Ben Schwartz <bemasc@google.com>
Date: Fri, 14 May 2021 18:10:16 -0700
Message-ID: <CAHbrMsAzaznu4TzKhid6H2OAkO9gmFPdaUQehtNUfeiuLn+Saw@mail.gmail.com>
To: John Levine <johnl@taugh.com>
Cc: dnsop <dnsop@ietf.org>, Brian Dickson <brian.peter.dickson@gmail.com>
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg="sha-256"; boundary="000000000000ba34ec05c254069f"
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/jWmGVe4D98RrpwOAO3JykY9Bezs>
Subject: Re: [DNSOP] [Ext] I-D Action: draft-ietf-dnsop-svcb-https-05.txt
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsop/>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 15 May 2021 01:10:37 -0000

On Fri, May 14, 2021 at 5:48 PM John Levine <johnl@taugh.com> wrote:
...

> If the users are going to copy and paste, they might
> as well copy a base64 blob and not worry about making it easy to read.
>
> The wire format can be the same as what it is now.
>

Thanks to RFC 3597, there's no need to define opaque zone file formats for
new records.  Opaque input (in hex) is always an option, so the
type-specific zone file format can be something more legible, and RFC 3597
format is always available as a fallback if the type-specialized format
isn't implemented in some system.

BTW, SVCB does define a way to represent parameters in wire format verbatim
(e.g. key4=\192\000\002\001), in case a new SvcParamKey is not supported by
a particular implementation.