Re: [v6ops] Chair decision on WGLC for draft-ietf-v6ops-dhcp-pd-per-device-04
Alexandre Petrescu <alexandre.petrescu@gmail.com> Thu, 02 November 2023 20:52 UTC
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Subject: Re: [v6ops] Chair decision on WGLC for draft-ietf-v6ops-dhcp-pd-per-device-04
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Le 02/11/2023 à 20:55, Ted Lemon a écrit : > I support moving forward. The prefix-length discussion comes up with > every document that is published, but weirdly the people who keep > arguing about it don't propose their own document that would actually > address the problem, We do have a number of drafts on the plen non-64 issue, like a VSLAAC (variable). Others have too. Alex > nor talk about the migration strategy that would be required to > successfully allow us to switch to e.g. /80 as the default prefix > length. Litigating that in the last calls of every v6ops document is I > guess low effort, but not very effective. > > On Thu, Nov 2, 2023 at 7:50 PM Ole Troan > <otroan=40employees.org@dmarc.ietf.org> wrote: > > XiPeng, > > Did you intend this to be a consensus call to confirm the chair’s > call on the WGLC? > If so, I do not think it is ready to progress to the next phase. > (I’m also happy to continue this discussion during the IETF last > call, if the working group chairs stand by their call that there > is rough consensus to proceed.) > > To reiterate the main concerns I have with this document: > > 1) It needs to clarify it’s relationship with: > draft-ietf-snac-simple-00 > draft-winters-v6ops-cpe-lan-pd-04 > What are the overlaps and are there conflicts? > > 2) While the network side may possibly fall within “operational”, > the host side does not. > There are no host implementations yet. My suggestion is that > this document should proceed together with the host requirements > document. Host changes, especially that hosts need with this to do > address selection needs some consideration, and is certainly not > operational. It requires code changes. > > 3) The prefix length and extension issues discussed at length. > Basically if only to number a local interface on the host a /64 is > needed. If a /64 is assigned, it still doesn’t allow for an > extension more than a single link (if following the author’s logic). > The consequences of this document being progressed is that we > worst case will have hosts that only allow extensions in large > enterprise network with the resources to grab large chunks of > address space. > > 4) The flat versus hierarchical delegation model needs to be > clarified. It’s not clear what a host is supposed to “ask” for or > behave. > > I think it’s premature to progress this. Host implementations > should be written and experimented with, and actual operational > experience gained. > > O. > > > > > > On 2 Nov 2023, at 18:37, Xipengxiao > <xipengxiao=40huawei.com@dmarc.ietf.org> wrote: > > > > Hi Folks, > > The draft is not in a WG adoption call. The chairs have > declared it passed WG Last Call (WGLC) but there are still > different opinions. So if you support moving this draft forward > to next phase, please say “support moving-forward” so that there > is no ambiguity. Thank you! > > XiPeng > > From: v6ops <v6ops-bounces@ietf.org> On Behalf Of Jeremy Duncan > > Sent: Thursday, November 2, 2023 6:24 PM > > To: Alexandre Petrescu <alexandre.petrescu@gmail.com>; > v6ops@ietf.org > > Subject: Re: [v6ops] Chair decision on WGLC for > draft-ietf-v6ops-dhcp-pd-per-device-04 > > Not sure if I'm too late, but I support adoption of this draft. > > Semper Fi, > > Jeremy Duncan > > Sent from my cell > > From: v6ops <v6ops-bounces@ietf.org> on behalf of Alexandre > Petrescu <alexandre.petrescu@gmail.com> > > Sent: Thursday, November 2, 2023 11:33:07 AM > > To: v6ops@ietf.org <v6ops@ietf.org> > > Subject: Re: [v6ops] Chair decision on WGLC for > draft-ietf-v6ops-dhcp-pd-per-device-04 > > > > > > Sorry for being too direct, it's because it is short. > > > > Do not count the draft authors in the balance. It's normal for the > > authors to be 'for'. > > > > > many existing hosts only support SLAAC with /64 prefixes, and > in order not to require changes to such hosts. > > It's because decision after decision people in WGs keep imposing > that > > /64 limit. This decision only prolongs that. > > > > On another hand, the IPv6 archi doc, the SLAAC spec, and some > > implementations - do allow for what these decisions dont allow, > i.e. > > SLAAC with other-than-64 plens. > > > > The only thing that truly requires that to be /64 is the not-000 > binary > > prefix of IP addresses. (RFC 4291 "For all unicast addresses, > except > > those that start with the binary value 000, Interface IDs are > required > > to be 64 bits long"). In that sense, that 'not-000' criterion > could be > > set in the title of this draft. > > > > Instead of: > > > > > Using DHCPv6-PD to Allocate Unique IPv6 Prefix per Client in > Large > > Broadcast Networks > > > > it would be more correct: > > > > > Using DHCPv6-PD to Allocate Unique IPv6 Prefix - starting > with any > > other value than binary 000 - per Client in Large Broadcast Networks > > > > Alex > > > > > > Le 01/11/2023 à 15:27, Xipengxiao a écrit : > > > Hi folks, > > > > > > Seeing the hot discussion on > draft-ietf-v6ops-dhcp-pd-per-device-02/03/04, the chairs have let > the WGLC run longer than originally designated to let people fully > express their view. But the chairs must also make a decision at > some point. > > > > > > Going through the mails, the chairs counted the following > opinions: > > > • For: Jen L., Lorenzo C., Joel H., Nick B., Erik K., > David F., Owen D., Brian C. > > > • Against: Pascal T., Eduard V., Martin H., Ole T., Gert D. > > > > > > It’s clear that there is no clear consensus. Due to a large > number of emails and some people not expressing their For/Against > opinion clearly, the chairs may have missed 1-2 opinions. But even > if so, “no clear consensus” remains the case. > > > > > > In general, the draft is in good shape. The remaining debate > focuses on prefix size. The chairs would like to point out that > there is no need for a draft to solve all problems to pass WGLC - > It only needs to solve the problems in the intended scenarios and > make no harm in other scenarios. This draft points out that many > existing hosts only support SLAAC with /64 prefixes, and in order > not to require changes to such hosts, /64 or shorter prefixes > must be delegated. This is a practical choice. For other > scenarios where unique /64 (or shorter) prefix per client cannot > be afforded, people can choose not to take this approach so this > draft makes no harm. With this consideration and acknowledging > that it's a "rough consensus", the chairs declare this draft has > passed WGLC. Thanks to all the people who provided reviews and > comments. > > > > > > Ron and XiPeng > > > > > > _______________________________________________ > > > v6ops mailing list > > > v6ops@ietf.org > > > https://www.ietf.org/mailman/listinfo/v6ops > > > > _______________________________________________ > > v6ops mailing list > > v6ops@ietf.org > > https://www.ietf.org/mailman/listinfo/v6ops > > _______________________________________________ > > v6ops mailing list > > v6ops@ietf.org > > https://www.ietf.org/mailman/listinfo/v6ops > > > > _______________________________________________ > v6ops mailing list > v6ops@ietf.org > https://www.ietf.org/mailman/listinfo/v6ops > > > _______________________________________________ > v6ops mailing list > v6ops@ietf.org > https://www.ietf.org/mailman/listinfo/v6ops
- [v6ops] Chair decision on WGLC for draft-ietf-v6o… Xipengxiao
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Nick Hilliard
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Nick Buraglio
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ole Trøan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Delong.com
- Re: [v6ops] Chair decision on WGLC for draft-ietf… David Farmer
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Vasilenko Eduard
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Nick Buraglio
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Vasilenko Eduard
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Owen DeLong
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Jeremy Duncan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Xipengxiao
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ole Trøan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Owen DeLong
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ed Horley
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Jeremy Duncan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ted Lemon
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ole Troan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Paolo Volpato
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Xipengxiao
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ole Troan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ted Lemon
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ole Troan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Dale W. Carder
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Nick Buraglio
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ivan Pepelnjak
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ivan Pepelnjak
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ivan Pepelnjak
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Vasilenko Eduard
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ted Lemon
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… jordi.palet@consulintel.es
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… jordi.palet@consulintel.es
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… jordi.palet@consulintel.es
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Erik Nygren
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… David Farmer
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… David Farmer
- Re: [v6ops] Chair decision on WGLC for draft-ietf… David Farmer
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gert Doering
- Re: [v6ops] Chair decision on WGLC for draft-ietf… David Farmer
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Nick Buraglio
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… jordi.palet@consulintel.es
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… jordi.palet@consulintel.es
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Philip Homburg
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Gabor LENCSE
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Brian E Carpenter
- Re: [v6ops] Chair decision on WGLC for draft-ietf… jordi.palet@consulintel.es
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Philipp S. Tiesel
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Philip Homburg
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ted Lemon
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Martin Huněk
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Delong.com
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Philipp S. Tiesel
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ted Lemon
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Philipp S. Tiesel
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… jordi.palet@consulintel.es
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Owen DeLong
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Owen DeLong
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Alexandre Petrescu
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Lorenzo Colitti
- Re: [v6ops] Chair decision on WGLC for draft-ietf… owen@Delong.com
- Re: [v6ops] Chair decision on WGLC for draft-ietf… Ole Troan
- Re: [v6ops] Chair decision on WGLC for draft-ietf… David Farmer