Re: [Snac] Router using Ipv6 prefix length = 67

Ted Lemon <mellon@fugue.com> Wed, 07 June 2023 21:22 UTC

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From: Ted Lemon <mellon@fugue.com>
Date: Wed, 07 Jun 2023 17:22:07 -0400
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To: Kiran Makhijani <kiran.ietf@gmail.com>
Cc: Michael Richardson <mcr+ietf@sandelman.ca>, "snac@ietf.org" <snac@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/snac/Xv45pZiKzI-FGsPNyxq-P0jTi30>
Subject: Re: [Snac] Router using Ipv6 prefix length = 67
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Okay, I've added Issue #30 to track this:
https://github.com/ietf-wg-snac/draft-ietf-snac-simple/issues/30

On Wed, Jun 7, 2023 at 5:15 PM Kiran Makhijani <kiran.ietf@gmail.com> wrote:

>
>
>
>
> *From: *Ted Lemon <mellon@fugue.com>
> *Date: *Wednesday, June 7, 2023 at 1:59 PM
> *To: *Kiran Makhijani <kiran.ietf@gmail.com>
> *Cc: *Michael Richardson <mcr+ietf@sandelman.ca>, snac@ietf.org <
> snac@ietf.org>
> *Subject: *Re: [Snac] Router using Ipv6 prefix length = 67
>
> On Wed, Jun 7, 2023 at 2:36 PM Kiran Makhijani <kiran.ietf@gmail.com>
> wrote:
>
>
>    1. besides defining the usable prefix with prefix-length 64 bits, does
>    it make sense to add reference to 7084 section 4.3 as suggested? (I think
>    I’d prefer that but then I had assumed prefix will always be /64).
>
>
>
> Are you referring to L-2?
>
> >> Yes. when Jonathan pointed out this, it was immediately clear. So, I
> felt it may be worthwhile to add this reference in the text as to why
> specific prefix length is mentioned with usable prefix.
>
>
>
>
>    1.
>    2. Second question Alan asked was about BR’s (stub-router’s)
>    robustness. So, nothing else to be specified for that. Right?
>
>
>
> I think that requiring a PIO to have a prefix length of 64 in order to
> qualify as a usable prefix addresses the robustness question Alan brought
> up.
>
> >> Ack! That resolves it for me.
>
> -Kiran
>