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Re: [v6ops] Chair decision on WGLC for draft-ietf-v6ops-dhcp-pd-per-device-04

Vasilenko Eduard <vasilenko.eduard@huawei.com> Thu, 02 November 2023 07:17 UTC

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From: Vasilenko Eduard <vasilenko.eduard@huawei.com>
To: Lorenzo Colitti <lorenzo=40google.com@dmarc.ietf.org>, Brian E Carpenter <brian.e.carpenter@gmail.com>
CC: "v6ops@ietf.org" <v6ops@ietf.org>
Thread-Topic: [v6ops] Chair decision on WGLC for draft-ietf-v6ops-dhcp-pd-per-device-04
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Date: Thu, 02 Nov 2023 07:17:41 +0000
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Subject: Re: [v6ops] Chair decision on WGLC for draft-ietf-v6ops-dhcp-pd-per-device-04
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Hi Lorengo,
Please, add to the draft that “DHCPv6 is possible between the proxy/client and the final host then /64 is not mandatory, prefix may be smaller.”
Eduard
From: v6ops [mailto:v6ops-bounces@ietf.org] On Behalf Of Lorenzo Colitti
Sent: Wednesday, November 1, 2023 10:37 PM
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: v6ops@ietf.org
Subject: Re: [v6ops] Chair decision on WGLC for draft-ietf-v6ops-dhcp-pd-per-device-04

On Wed, Nov 1, 2023 at 7:03 PM Brian E Carpenter <brian.e.carpenter@gmail.com<mailto:brian.e.carpenter@gmail.com>> wrote:
> The WG needs to steer clear of hard-coding /64 into drafts because it's
> causing problems with getting consensus on IDs.

That's 100% correct and although I remain supportive of the draft, it certainly
needs to be reworded to avoid mentioning /64 as anything but the present
de facto boundary. We still have that bug in the addressing architecture
standard too.

Brian,

Can you explain what you think should be reworded? I think the draft only uses "/64" in examples and figures, and where required by other documents such as RFC 7084 and the SNAC drafts (which it obviously cannot change). In actual text it's careful to say things like "a prefix of sufficient size to use SLAAC". It does mention that at the time of writing the only size is 64 bits, but that seems like a useful statement to make.

Cheers,
Lorenzo

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