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Re: [v6ops] [E] New Version Notification for draft-mishra-v6ops-variable-slaac-problem-stmt-01.txt

Bob Hinden <bob.hinden@gmail.com> Tue, 03 November 2020 19:14 UTC

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From: Bob Hinden <bob.hinden@gmail.com>
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Date: Tue, 03 Nov 2020 11:14:40 -0800
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Cc: Bob Hinden <bob.hinden@gmail.com>, Lorenzo Colitti <lorenzo=40google.com@dmarc.ietf.org>, IPv6 Operations <v6ops@ietf.org>, Gyan Mishra <gyan.s.mishra@verizon.com>
To: Gyan Mishra <hayabusagsm@gmail.com>
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Subject: Re: [v6ops] [E] New Version Notification for draft-mishra-v6ops-variable-slaac-problem-stmt-01.txt
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Gyan,

> On Nov 2, 2020, at 10:28 PM, Gyan Mishra <hayabusagsm@gmail.com> wrote:
> 
> Hi Bob
> 
> In-line
> 
> On Mon, Nov 2, 2020 at 2:10 PM Bob Hinden <bob.hinden@gmail.com> wrote:
> Hi,
> 
> What Lorenzo said.
> 
> Further, I did quick read and see some immediate issues.
> 
> First off SLACC works just fine with any size prefix/interface ID.    The protocol supports different sized prefixes/IIDs.   The purported issue relates to interface ID sizes.   These drafts appear to be confused about that.
> 
>    Gyan> Understood that SLAAC in itself does not create the restriction as the 64 bit boundary restriction is due to 64 bit IID fixed length when A flag is set.

Good, then I suggest you stop calling it a SLAAC problem.

>    The 6man draft below identifies the solution and references the last time this topic came up about a year or so ago with this draft "https://tools.ietf.org/html/draft-bourbaki-6man-classless-ipv6-05"
>    This draft submitted on 6man discusses the history behind the slaac 64 bit fixed iid and refrences the v6ops draft problem statement and defines the RA flag solution for slaac to support vlsm & eliminating the IID fixed 64 bit boundary.

I, and I suspect most of the working group, are very aware of the history and background on this topic.

Bob

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