Re: [dnsoverhttp] HTTP/2

Mark Nottingham <mnot@mnot.net> Mon, 30 October 2017 01:30 UTC

Return-Path: <mnot@mnot.net>
X-Original-To: dnsoverhttp@ietfa.amsl.com
Delivered-To: dnsoverhttp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B2FCE13F4FE for <dnsoverhttp@ietfa.amsl.com>; Sun, 29 Oct 2017 18:30:37 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.72
X-Spam-Level:
X-Spam-Status: No, score=-2.72 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=mnot.net header.b=ka+hN3yM; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=KKTI9cFr
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 cq8kWorw7QUG for <dnsoverhttp@ietfa.amsl.com>; Sun, 29 Oct 2017 18:30:35 -0700 (PDT)
Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 14E10139435 for <dnsoverhttp@ietf.org>; Sun, 29 Oct 2017 18:30:35 -0700 (PDT)
Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 7AAE020BA3; Sun, 29 Oct 2017 21:30:34 -0400 (EDT)
Received: from frontend1 ([10.202.2.160]) by compute3.internal (MEProxy); Sun, 29 Oct 2017 21:30:34 -0400
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mnot.net; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc; s=fm1; bh=qLTcMRKEqld96FjEldc5QicdZDyhu UEb7gaNhFdaXe0=; b=ka+hN3yM6sET1Vcjf+DGTFRAU9QZvL7MGqmHjdyT/ay9D aWT4Qt3eELLPR5hUzp1WoBaNRxVoNPIqk1soMsUKGDeRB6fSfryBHlUoqfL7LnYd KwdS6+ix94r8070dXDT9lQtkHEtIY+IVNOMJvOPyWGcYtQ1by9tfGjWcIcqgcyax Su5DHNI8WIzF4Cxg2lIqxMk0qnRDP2xd37EfqV06NbGs0RWSFbCz192jp9O+vKn1 8KqN3f5ZxcQ495wAefYQF5LBcxqXZpkfZApQ/WvOHr+i15nk8v9khiPTcTMc+6BB HDgQqZU1UUOvhbMulFIH8zz2UN3QiS1CvlwHvVtKg==
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=qLTcMR KEqld96FjEldc5QicdZDyhuUEb7gaNhFdaXe0=; b=KKTI9cFrLrTmutyyTlj5eZ V9MPH36+sUBSzBcfb+oiXhLo50QNbrafpfBP6V2jNLjW6yZE6MoyEtQhOf+wL2BD SY40FISPcJlTZLH2EFIeuduFuK9ntGD3CJWrudBOqL45ZEIGMHy0jGt0Mxlj51C7 A6RbJlOd/sdTxCEFhne5OWW1cCEIrJbmWD+kkwLvppNnaaNYmG+JRRSCig9Kt11D iBqNlTcyi2e33UcKI8dEP11AUuVkchyXOna/Iw5+gXc0EpcnydUZjn4k2kqQ92tR vvYJ+2fLJ80bapj32uKJJRKTORTnfQ9h3L6nEB76Hg6hlp1GkwgwG/1MeuTPXMlQ ==
X-ME-Sender: <xms:uoD2WZ1rMZXjyst0R5lYHNaakavowzal-UPaQ1D97VpfAm-eSH7HQQ>
Received: from [192.168.1.18] (cpe-124-188-19-231.hdbq1.win.bigpond.net.au [124.188.19.231]) by mail.messagingengine.com (Postfix) with ESMTPA id 921FB7F967; Sun, 29 Oct 2017 21:30:33 -0400 (EDT)
Content-Type: text/plain; charset=us-ascii
Mime-Version: 1.0 (Mac OS X Mail 11.0 \(3445.1.7\))
From: Mark Nottingham <mnot@mnot.net>
In-Reply-To: <CABkgnnXBdsYLv4dHiLH4GdvYCvDZ3JRxS6jG6Z-VvoMyfCkHLw@mail.gmail.com>
Date: Mon, 30 Oct 2017 12:30:30 +1100
Cc: dnsoverhttp@ietf.org
Content-Transfer-Encoding: quoted-printable
Message-Id: <84B1B309-DA61-4CB4-9E82-350952A1F18E@mnot.net>
References: <CABkgnnXBdsYLv4dHiLH4GdvYCvDZ3JRxS6jG6Z-VvoMyfCkHLw@mail.gmail.com>
To: Martin Thomson <martin.thomson@gmail.com>
X-Mailer: Apple Mail (2.3445.1.7)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsoverhttp/Ib8miVp2w3P35UnpWMrSulBZ66s>
Subject: Re: [dnsoverhttp] HTTP/2
X-BeenThere: dnsoverhttp@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Discussion of DNS over HTTP <dnsoverhttp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsoverhttp>, <mailto:dnsoverhttp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsoverhttp/>
List-Post: <mailto:dnsoverhttp@ietf.org>
List-Help: <mailto:dnsoverhttp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsoverhttp>, <mailto:dnsoverhttp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 30 Oct 2017 01:30:38 -0000

+1. Encouraging is fine, but at the end of the day, you can't guarantee that it'll be an e2e H2 connection.


> On 30 Oct 2017, at 12:27 pm, Martin Thomson <martin.thomson@gmail.com> wrote:
> 
> I've said this elsewhere, but I don't think that mandating HTTP/2 is
> necessary [11].
> 
> The draft does this to pick up the security requirements of HTTP/2,
> but that can be achieved in other ways that are less disruptive to the
> stack.  I would prefer that we soften the requirement and encourage
> the use of good practices - HTTP/2 certainly has many virtues that
> make it a good choice - but not mandate a specific version.  See also
> [56] and [7525].
> 
> I do think that the draft needs to be more precise about server push.
> Right now, the description of server push is rather oblique and it
> could use some more clarity [12].
> 
> [11] https://github.com/paulehoffman/draft-ietf-doh-dns-over-https/issues/11
> [56] https://mnot.github.io/I-D/bcp56bis/#specifying-the-use-of-http
> [7525] https://tools.ietf.org/html/rfc7525
> [12] https://github.com/paulehoffman/draft-ietf-doh-dns-over-https/issues/12
> 
> _______________________________________________
> dnsoverhttp mailing list
> dnsoverhttp@ietf.org
> https://www.ietf.org/mailman/listinfo/dnsoverhttp

--
Mark Nottingham   https://www.mnot.net/