Re: RFC6724-bis?
Nick Buraglio <buraglio@es.net> Wed, 21 September 2022 07:38 UTC
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Reply-To: buraglio@es.net
From: Nick Buraglio <buraglio@es.net>
Date: Wed, 21 Sep 2022 09:37:52 +0200
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Subject: Re: RFC6724-bis?
To: Vasilenko Eduard <vasilenko.eduard@huawei.com>
Cc: Brian E Carpenter <brian.e.carpenter@gmail.com>, "ipv6@ietf.org" <ipv6@ietf.org>
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Agreed, and understood - pardon my misunderstanding (jet lag is a mental processing governor). ---- nb On Wed, Sep 21, 2022 at 9:35 AM Vasilenko Eduard < vasilenko.eduard@huawei.com> wrote: > I have pointed already that script would not work > > Because ULA PIO may be announced and deprecated > > Then who would run the script? (at the proper moment) > > IMHO: specification should be derived from last Brian’s proposal. > > Script or not – should not be discussed, as usual. > > I hope nobody would choose a script for implementation. > > Eduard > > *From:* Nick Buraglio [mailto:buraglio@es.net] > *Sent:* Wednesday, September 21, 2022 8:18 AM > *To:* Brian E Carpenter <brian.e.carpenter@gmail.com> > *Cc:* Vasilenko Eduard <vasilenko.eduard@huawei.com>; ipv6@ietf.org > *Subject:* Re: RFC6724-bis? > > > > > > > > On Wed, Sep 21, 2022 at 1:56 AM Brian E Carpenter < > brian.e.carpenter@gmail.com> wrote: > > On 21-Sep-22 11:39, Nick Buraglio wrote: > > Operationally, I would discourage the scripting approach. As noted in > the draft draft-ietf-v6ops-ula-00 one of the more difficult or impossible > problems are the OT hardware and embedded devices with no mechanism for > adjusting preferences. > > If that were written in as an internally executed, required function, > then perhaps it has some more broad viability. > > Yes, that's why I mentioned that it should be a kernel function IMHO. > > > > > > +1 > > > Brian > > > > > On Tue, Sep 20, 2022 at 6:32 PM Vasilenko Eduard <vasilenko.eduard= > 40huawei.com@dmarc.ietf.org <mailto:40huawei.com@dmarc.ietf.org>> wrote: > > > > What if legalize Brian's script: > > As soon as the new ULA PIO (/64) is received > > The host should automatically insert /48 derived out of it into the > policy table > > With the precedence (45?) and label (6?) above IPv4 and default but > below GUA. > > The old FC/7 could be kept as it is (3/13). > > It needs a little more thinking about what to do if many different > ULAs (/48) is detected. > > Probably, priority and label could be the same (45/6?) for all > specific ULAs. > > > > It would give good compatibility to the old implementation > > Because it is what is needed to do manually now to have ULA > operational. > > The proposal is just automation. > > Eduard > > -----Original Message----- > > From: ipv6 [mailto:ipv6-bounces@ietf.org <mailto: > ipv6-bounces@ietf.org>] On Behalf Of Tim Chown > > Sent: Tuesday, September 20, 2022 7:07 PM > > To: ipv6@ietf.org <mailto:ipv6@ietf.org> > > Subject: RFC6724-bis? > > > > Hi, > > > > As an author of RFC6724 I’ve had the discussions about a possible > update of RFC6724 brought to my attention. > > > > An example thread over on v6ops is > https://mailarchive.ietf.org/arch/msg/v6ops/W6HjHc11JX364soq3t3gFMHSawE/ < > https://mailarchive.ietf.org/arch/msg/v6ops/W6HjHc11JX364soq3t3gFMHSawE/>, > but there are others. > > > > Nick Buraglio has documented the problem in > draft-ietf-v6ops-ula-00. The short of it is that RFC1918 IPv4 addresses > may be preferred to IPv6 ULAs in certain circumstances, which I would agree > is not desired behaviour. > > > > There are a few ways we might look to address this. There is a > proposal from Nick (not yet published outside a git repo) to address it by > changing wording in section 2.1, with a couple of MAYs becoming MUSTs, and > adding an extra explaining paragraph. This basically firms up the > requirement to follow 6.10 on adding an extra precedence line for local ULA > prefix(es). > > > > Now, that may or may not be the preferred solution of the WG, but I > think there’s a few questions to consider: > > > > 1. Is there agreement we should address the problem? I’d assume so > because Nick's problem draft was adopted by v6ops. > > > > 2. If so, is 6man the place to do it? I think it has to be. > RFC6724 was born here. > > > > 3. How do we determine the best solution to the problem? I suspect > there are nuances in play that will make a one size fit all ’simple’ fix > tricky, but I look forward to the discussion. Nick has one proposal that > counts to a couple of word changes and an extra paragraph, which I’d > encourage him to share here, but there are other approaches proposed on > v6ops. I think either way, it will require some update to or for RFC6724. > > > > 4. Does this work warrant a full -bis or would a separate RFC that > updates 6724 be better? A separate Updating draft might better highlight > the issue to implementors. But then RFC6724 is now ten years old, and > RFC3484 which it replaced was nine years before that. > > > > 5. If we choose to open up a full -bis, are there any other worms in > this can? I have a feeling also here I know the likely answer…. > > > > Anyway, over to the WG… thoughts? > > > > Tim > > -------------------------------------------------------------------- > > IETF IPv6 working group mailing list > > ipv6@ietf.org <mailto:ipv6@ietf.org> > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > <https://www.ietf.org/mailman/listinfo/ipv6> > > -------------------------------------------------------------------- > > -------------------------------------------------------------------- > > IETF IPv6 working group mailing list > > ipv6@ietf.org <mailto:ipv6@ietf.org> > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > <https://www.ietf.org/mailman/listinfo/ipv6> > > -------------------------------------------------------------------- > > > > -- > > ---- > > nb > > > > -------------------------------------------------------------------- > > IETF IPv6 working group mailing list > > ipv6@ietf.org > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > > -------------------------------------------------------------------- > > -- > > ---- > > nb >
- RFC6724-bis? Tim Chown
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Brian E Carpenter
- Re: RFC6724-bis? Brian E Carpenter
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Brian E Carpenter
- Re: RFC6724-bis? Nick Buraglio
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Tim Chown
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Bob Hinden
- Re: RFC6724-bis? Brian E Carpenter
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Ted Lemon
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Mark Smith
- Re: RFC6724-bis? Ted Lemon
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Ted Lemon
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Michael Richardson
- Re: RFC6724-bis? David Farmer
- RE: RFC6724-bis? Vasilenko Eduard
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Michael Richardson
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? Brian E Carpenter
- Re: RFC6724-bis? Brian E Carpenter
- Re: RFC6724-bis? Brian E Carpenter
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? Mark Smith
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? David Farmer
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? Brian E Carpenter
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? David Farmer
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Ted Lemon
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Ted Lemon
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? David Farmer
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Brian E Carpenter
- Re: RFC6724-bis? Nick Buraglio
- Network merge [Re: RFC6724-bis?] Brian E Carpenter
- Re: Network merge [Re: RFC6724-bis?] David Farmer
- Re: Network merge [Re: RFC6724-bis?] Michael Richardson
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] Brian Carpenter
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- RE: RFC6724-bis? Vasilenko Eduard
- RE: RFC6724-bis? Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] Michael Richardson
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] Nick Buraglio
- Re: Network merge [Re: RFC6724-bis?] Brian E Carpenter
- Re: Network merge [Re: RFC6724-bis?] Mark Smith
- Re: Network merge [Re: RFC6724-bis?] Ted Lemon
- Re: Network merge [Re: RFC6724-bis?] David Farmer
- Re: Network merge [Re: RFC6724-bis?] Brian E Carpenter
- Re: Network merge [Re: RFC6724-bis?] Mark Smith
- Re: Network merge [Re: RFC6724-bis?] Brian E Carpenter
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] Michael Richardson
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] David Farmer
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] David Farmer
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] Brian E Carpenter
- Re: Network merge [Re: RFC6724-bis?] Ole Troan
- Re: Network merge [Re: RFC6724-bis?] Brian E Carpenter
- RE: Network merge [Re: RFC6724-bis?] Vasilenko Eduard
- Re: Network merge [Re: RFC6724-bis?] Ole Troan
- Re: Network merge [Re: RFC6724-bis?] Timothy Winters
- Re: Network merge [Re: RFC6724-bis?] Nick Buraglio
- Re: Network merge [Re: RFC6724-bis?] Brian Carpenter
- Re: Network merge [Re: RFC6724-bis?] Ole Troan
- Re: Network merge [Re: RFC6724-bis?] Brian Carpenter
- Re: Network merge [Re: RFC6724-bis?] Ole Troan
- Re: Network merge [Re: RFC6724-bis?] David Farmer
- Re: Network merge [Re: RFC6724-bis?] Brian E Carpenter
- Re: Network merge [Re: RFC6724-bis?] Michael Richardson
- Re: Network merge [Re: RFC6724-bis?] Ted Lemon
- RE: RFC6724-bis? Vasilenko Eduard
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? Ted Lemon
- Re: RFC6724-bis? Nick Buraglio
- Re: RFC6724-bis? Michael Richardson