IETF Logo Mail Archive

Re: [IPv6] I-D Action: draft-carpenter-6man-zone-ui-00.txt

Toerless Eckert <tte@cs.fau.de> Tue, 20 February 2024 01:11 UTC

Return-Path: <eckert@i4.informatik.uni-erlangen.de>
X-Original-To: ipv6@ietfa.amsl.com
Delivered-To: ipv6@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5FAD3C14F709 for <ipv6@ietfa.amsl.com>; Mon, 19 Feb 2024 17:11:14 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.657
X-Spam-Level:
X-Spam-Status: No, score=-6.657 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_HI=-5, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PqvGoQpJgOzd for <ipv6@ietfa.amsl.com>; Mon, 19 Feb 2024 17:11:12 -0800 (PST)
Received: from faui40.informatik.uni-erlangen.de (faui40.informatik.uni-erlangen.de [IPv6:2001:638:a000:4134::ffff:40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 5D26EC14F604 for <ipv6@ietf.org>; Mon, 19 Feb 2024 17:11:11 -0800 (PST)
Received: from faui48e.informatik.uni-erlangen.de (faui48e.informatik.uni-erlangen.de [IPv6:2001:638:a000:4134::ffff:51]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by faui40.informatik.uni-erlangen.de (Postfix) with ESMTPS id 4Tf1Z11gmLznkPl; Tue, 20 Feb 2024 02:11:05 +0100 (CET)
Received: by faui48e.informatik.uni-erlangen.de (Postfix, from userid 10463) id 4Tf1Z104z6zkmt6; Tue, 20 Feb 2024 02:11:05 +0100 (CET)
Date: Tue, 20 Feb 2024 02:11:04 +0100
From: Toerless Eckert <tte@cs.fau.de>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: Michael Sweet <msweet@msweet.org>, Michael Richardson <mcr+ietf@sandelman.ca>, Bob Hinden <bob.hinden@gmail.com>, 6man <ipv6@ietf.org>
Message-ID: <ZdP8KPwl3__rBYFm@faui48e.informatik.uni-erlangen.de>
References: <170534827865.59933.11111230460163352539@ietfa.amsl.com> <2767dad8-0b85-16c6-0dfb-124a2c977675@gmail.com> <CAN-Dau2JzEd6s_eD8fPK7LJWf=eDmL2rOpaRVCqwW=jrvkiiAQ@mail.gmail.com> <6254.1707933127@obiwan.sandelman.ca> <CAN-Dau1XC-cq5SibfoM7BCWxk9UREHMgUCjkPyKM_iPwvDRy3Q@mail.gmail.com> <CAN-Dau2kigOkcFboYV0CM9KNie020Em5-=+P3uGBon1f0KKquA@mail.gmail.com> <14723.1707935101@obiwan.sandelman.ca> <EB728039-91E7-4179-A5B5-834347815F1F@msweet.org> <6624c34a-2282-f6b1-9217-d4ed9a603493@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <6624c34a-2282-f6b1-9217-d4ed9a603493@gmail.com>
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/9lTWwtEGJfGQf6j013w6Yxv_Bo0>
Subject: Re: [IPv6] I-D Action: draft-carpenter-6man-zone-ui-00.txt
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ipv6/>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 20 Feb 2024 01:11:14 -0000

How is the CUPS use case removed ?

Toerless

On Thu, Feb 15, 2024 at 08:32:35AM +1300, Brian E Carpenter wrote:
> On 15-Feb-24 07:57, Michael Sweet wrote:
> > Michael,
> > 
> > > On Feb 14, 2024, at 1:25 PM, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
> > > 
> > > 
> > > My understanding is that on Apple MACOS desktops that one can do an mDNS
> > > discovery for printers, get IPv6-LL addresses back as a result, and pass that
> > > onto to the CUPS/IPP system and that it works.
> > > 
> > > My brother printer does IPv6, but does not answer with a LL address in mDNS
> > > (and it has a v6-GUA configured), so I don't know how/if this works on a
> > > Linux desktop. I expect it does not work, but that the cupsd might work fine
> > > with it.
> > 
> > On my Linux machines I get IPv6 LL addresses from all but one of my printers; I don't have a Brother printer in my lab anymore but an older Canon printer doesn't seem to respond to AAAA mDNS queries.  CUPS will use whatever it gets, and sticks with the mDNS hostname or DNS-SD service name (depending on the context) until the moment it tries to contact the printer.
> 
> A subtle point in the new draft is that we have removed the CUPS use case. I don't think we can reduce the CUPS case to a UI problem, but as I understand it CUPS makes use of the "IPvFuture" branch of the URI syntax, so works despite the absence of support for RFC6874 or RFC6874bis.
> 
>     Brian
> --------------------------------------------------------------------
> IETF IPv6 working group mailing list
> ipv6@ietf.org
> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6
> --------------------------------------------------------------------

v2.23.0 | Report a Bug | By Email