Re: [v6ops] Éric Vyncke's Discuss on draft-ietf-v6ops-cpe-slaac-renum-05: (with DISCUSS and COMMENT)
Fernando Gont <fgont@si6networks.com> Wed, 10 February 2021 13:22 UTC
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To: "Eric Vyncke (evyncke)" <evyncke@cisco.com>, The IESG <iesg@ietf.org>
Cc: "draft-ietf-v6ops-cpe-slaac-renum@ietf.org" <draft-ietf-v6ops-cpe-slaac-renum@ietf.org>, "v6ops-chairs@ietf.org" <v6ops-chairs@ietf.org>, "v6ops@ietf.org" <v6ops@ietf.org>, Owen DeLong <owen@delong.com>, "suresh@kaloom.com" <suresh@kaloom.com>, "jiangsheng@huawei.com" <jiangsheng@huawei.com>
References: <160336543195.21161.17851078775777074492@ietfa.amsl.com> <bae28190-9537-fed0-be43-9d1e1344c9b9@si6networks.com> <D4777F08-B56A-4A40-8D1A-427172A29FEB@cisco.com>
From: Fernando Gont <fgont@si6networks.com>
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Date: Wed, 10 Feb 2021 10:14:07 -0300
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Subject: Re: [v6ops] Éric Vyncke's Discuss on draft-ietf-v6ops-cpe-slaac-renum-05: (with DISCUSS and COMMENT)
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Hi, Eric, On 10/2/21 04:38, Eric Vyncke (evyncke) wrote: > Hello Fernando, > > Sorry for belated reply. See in-line for EV> > > I used the published -06 (dated 11th December 2020 so after the IESG > evaluation) as the basis for the discussion. The -06 is now BCP, > contains the right BCP 14 boilerplate, and a Last Call has completed, > so, I will clear my DISCUSS later today (but still supporting Erik > Kline's DISCUSS). > > Also, I wonder whether a -07 is in preparation to better fit your > comments below ? Yep. We're just awaiting for Erik Kline's response to make sure his comments are addressed. ONce we have double-checked that, we'll post the rev. > - Suresh Krishnan's IoT directorate review: > https://datatracker.ietf.org/doc/review-ietf-v6ops-cpe-slaac-renum-05-iotdir-telechat-krishnan-2020-10-21/ > > - Sheng Jiang's Internet directorate review: > https://datatracker.ietf.org/doc/review-ietf-v6ops-cpe-slaac-renum-05-intdir-telechat-jiang-2020-10-19/ > > Finally, did the authors replied to the IoT and INT directorates > reviews ? Yep. The associated changes will be incorporated in the next rev. [....] > Hi, Eric, > > It seems that I somehow failed to respond to your message in time. > My apologies for that. IN-line.... > > On 22/10/20 08:17, Éric Vyncke via Datatracker wrote: [...] >> -- Abstract -- I wonder why the word "IPv6" is never mentioned in >> the abstract while the whole document is about IPv6. OTOH, perhaps >> the default IP version in 2020 is indeed IPv6 ;-) > > I've know included it :-) > > EV> Looking at the -06 version, but, I guess that -07 will contain > it Yep. Sorry for the sloppy wording -- I should have said "in my working copy". >> -- Section 3 -- Should the L-13 of RFC 7084 be also updated ? >> Briefly discussed in section 3.3 > > Good grief. My take is that requirement L-13 is replaced with what's > requirement L-17 in our document. > > So, maybe in Section 3 we should say: > > "Requirement L-13 from RFC7084 is replaced with: > > o L-13: CE routers MUST signal stale configuration information as > specified in Section 3.3. > > And the renumber (! :-) ) our list, so the current L-18 becomes > L-17? > > EV> this sounds good to me (including the renumbering ;-) ) Will do. >> I wonder what is the actual structure of this section? There are 4 >> L-XX requirements followed by 3 subsections and mapping between >> L-15 with section 3.1 and the same for L-16, L-17 but not for L-18 >> ? > > That's correct. Sections 3.1-3.3 essentially spell out the details > for reqs L-15-17. > > There's no much more to add, but, for the sake of consistency we > could add a short Section 3.4 with something like: > > ---- cut here ---- 3.4. Automatic DHCPv6 RELEASEs > > Some CE Routers are known to automatically CE send DHCPv6-PD RELEASE > messages upon reboot events. However, this may inadvertently trigger > a flash-renumbering scenario, along with the associated problems > discussed in [draft-ietf-v6ops-slaac-renum], that this document tries > to mitigate. > > As a result, L-18 specifies that CE routers SHOULD NOT automatically > send DHCPv6-PD RELEASE messages upon reboot events. ---- cut here > ---- > > ? > > EV> beside the spurious 'CE' in the proposed text, I support this > change as it improves the readability Great. Thanks! >> As noted in section 3.1, L-13 is actually Section 6.3 of [RFC8415] >> that is standard track > > How about changing: * The recommendations in this section expand > from requirement L-13 in Section 4.3 of [RFC7084]. > > to > > * The recommendations in this section expand from requirement L-13 > in Section 4.3 of [RFC7084] and Section 6.3 of [RFC8415]. > > ? > > EV> actually no more required IMHO with the above change about L-13 > >> >> -- Section 3.2 -- There is a reference to section 2.1 of this >> document but the authors probably meant section 3.1 of this >> document or Section 6.3 of [RFC8415]. > > Yep. Good grief! Fixed. > > EV> ;-) FWIW, it seems that the text contained the literal "Section 2.1" rather than an xml -- that's why the reference had not been automatically updated. Thanks a lot! Regards, -- Fernando Gont SI6 Networks e-mail: fgont@si6networks.com PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492
- [v6ops] Éric Vyncke's Discuss on draft-ietf-v6ops… Éric Vyncke via Datatracker
- Re: [v6ops] Éric Vyncke's Discuss on draft-ietf-v… Fernando Gont
- Re: [v6ops] Éric Vyncke's Discuss on draft-ietf-v… Eric Vyncke (evyncke)
- Re: [v6ops] Éric Vyncke's Discuss on draft-ietf-v… Fernando Gont