Re: [dhcwg] Benjamin Kaduk's Discuss on draft-ietf-dhc-mac-assign-07: (with DISCUSS and COMMENT)

Benjamin Kaduk <kaduk@mit.edu> Mon, 08 June 2020 21:14 UTC

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Date: Mon, 8 Jun 2020 14:14:31 -0700
From: Benjamin Kaduk <kaduk@mit.edu>
To: The IESG <iesg@ietf.org>, draft-ietf-dhc-mac-assign@ietf.org, dhc-chairs@ietf.org, ianfarrer@gmx.com, Tomek Mrugalski <tomasz.mrugalski@gmail.com>, dhcwg@ietf.org
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Subject: Re: [dhcwg] Benjamin Kaduk's Discuss on draft-ietf-dhc-mac-assign-07: (with DISCUSS and COMMENT)
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On Sun, Jun 07, 2020 at 09:28:21PM -0700, Benjamin Kaduk via Datatracker wrote:
> ----------------------------------------------------------------------
> DISCUSS:
> ----------------------------------------------------------------------
> 
> I have a couple points that might require a bit of discussion, but I
> expect to be pretty easy to resolve:
> 
> (1) Can we double-check this text in Section 10.1:
> 
>    The Identity Association for Link-Layer Addresses option (IA_LL
>    option) is used to carry one or more IA_LL options, the parameters
>    associated with the IA_LL, and the address blocks associated with the
>    IA_LL.
> 
> I am pretty sure that the "is used to carry one or more IA_LL options"
> should actually be talking about IA_LLADDR options.  But if I'm wrong,
> and this is saying that IA_LL can carry IA_LL, we should have a lot more
> discussion about this recursive structure and how to interpret it.

We may also want to check the "one or more" part, as Figure 3 of
draft-ietf-dhc-slap-quadrant seems to show a workflow where IA_LL carries
just QUAD and zero LLADDR.

-Ben