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Re: RFC4862 and 64-bit IID (Re: draft-bourbaki-6man-classless-ipv6-00)

Erik Kline <ek@google.com> Mon, 19 June 2017 16:26 UTC

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From: Erik Kline <ek@google.com>
Date: Tue, 20 Jun 2017 01:26:24 +0900
Message-ID: <CAAedzxp3JFwu=9CF=k=W2r2z_X9_Yd1kcwtWjn7zhNCoxSCEww@mail.gmail.com>
Subject: Re: RFC4862 and 64-bit IID (Re: draft-bourbaki-6man-classless-ipv6-00)
To: JINMEI Tatuya / 神明達哉 <jinmei@wide.ad.jp>
Cc: Ole Troan <otroan@employees.org>, 6man WG <ipv6@ietf.org>
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>
> I'd also note once again that this discussion has nothing to do with
> the fact that we can perform 'ifconfig en0 2001:db8::1/120'.  This
> operation configures a 128-bit IPv6 address with 120-bit on-link
> prefix.  On-link prefixes have always been variable, and they have
> nothing to do with IID length or SLAAC.  We don't have to update
> addr-arch or RFC4862 because of this.  (draft-bourbaki-6man-
> classless-ipv6-00
> seems to be confused on this point, and I suspect it increases the
> confusion and controversy in this whole thread).
>

Agreed.

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