Re: [Int-dir] [v6ops] Intdir telechat review of draft-ietf-v6ops-dhcp-pd-per-device-07

Brian E Carpenter <brian.e.carpenter@gmail.com> Thu, 04 April 2024 19:00 UTC

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Date: Fri, 05 Apr 2024 07:59:59 +1300
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To: Tim Chown <Tim.Chown@jisc.ac.uk>, Jen Linkova <furry13@gmail.com>
Cc: "int-dir@ietf.org" <int-dir@ietf.org>, "draft-ietf-v6ops-dhcp-pd-per-device.all@ietf.org" <draft-ietf-v6ops-dhcp-pd-per-device.all@ietf.org>, "last-call@ietf.org" <last-call@ietf.org>, "v6ops@ietf.org" <v6ops@ietf.org>
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From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Subject: Re: [Int-dir] [v6ops] Intdir telechat review of draft-ietf-v6ops-dhcp-pd-per-device-07
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On 05-Apr-24 02:11, Tim Chown wrote:
> Hi,
> 
>> On 4 Apr 2024, at 10:34, Jen Linkova <furry13@gmail.com> wrote:
>>
>> On Thu, Apr 4, 2024 at 7:06 PM Tim Chown <Tim.Chown@jisc.ac.uk> wrote:
>>>> The thing is that the host behaviour is explicitly (and intentionally)
>>>> out of scope. For me, as a network administrator, it doesn't matter
>>>> how exactly the client configures that address: my network
>>>> design/topology would be the same. The client can be a RFC7084-type
>>>> router (that's what happens when someone plugs a CPE to an access
>>>> port), or use smth like rfc7278 - or smth else. Up to the client, the
>>>> network routes thet whole prefix to that device, do whatever you want
>>>> with it.
>>>
>>> OK, so maybe make it clearer that it is out of scope, as I was expecting to find some comment about it, and I could not.
>>
>> The last paragraph of the Introduction states that:
>> "This document focuses on the behaviour of the network. Host behaviour
>> is not defined in this document."
>> Do you think we need to make it more clear?
> 
> Sorry, I missed that, but the question of how more precisely this model would be deployed in, for example, a campus WiFi network, would be worth documenting. How addresses on the wireless side are configured, how the routing is done, whether a mixed environment is practical, interactions with eduroam (802.1x), that sort of thing. Perhaps that’s a second informational document.

Yes. It seems to me that v6ops is generally a bit remiss in documenting how netops can manage host (mis)behaviour.

     Brian

> 
>>> we do frequently have campus admins asking how they get host entries into the DNS with SLAAC, so it’s a FAQ.
>>
>> Yes, I agree it's a problem to solve, but I think it might be more in
>> scope for my 6MOPS draft...What do you think?
> 
> Sounds fine :)
> 
> There’s also probably something to be said somewhere about address accountability, it’s the flip side of the privacy considerations but useful in a campus environment.  I don’t think the draft mentions this (or at least has one unrelated instance of the word ‘account’).
> 
> Best wishes,
> Tim
> 
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