Re: [v6ops] Stateful SLAAC (draft-ietf-v6ops-unique-ipv6-prefix-per-host)

Ted Lemon <mellon@fugue.com> Sat, 11 November 2017 03:19 UTC

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From: Ted Lemon <mellon@fugue.com>
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Subject: Re: [v6ops] Stateful SLAAC (draft-ietf-v6ops-unique-ipv6-prefix-per-host)
Date: Sat, 11 Nov 2017 11:19:11 +0800
In-Reply-To: <7532e311-be94-1b9e-b9f1-8b12e9d6ee79@si6networks.com>
Cc: DY Kim <dykim6@gmail.com>, IPv6 Operations <v6ops@ietf.org>, "6man@ietf.org" <6man@ietf.org>, "6man-ads@tools.ietf.org" <6man-ads@ietf.org>, "v6ops-ads@ietf.org" <v6ops-ads@ietf.org>, draft-ietf-v6ops-unique-ipv6-prefix-per-host@tools.ietf.org
To: Fernando Gont <fgont@si6networks.com>
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On Nov 11, 2017, at 11:05 AM, Fernando Gont <fgont@si6networks.com>; wrote:
> If the SLAAC router needs to keep that state, why do you say that it is
> not SLAAC that is stateful? Whose state is that, then?

SLAAC is stateless.   The host can freely change its SLAAC address at any time.   However, when it does so, it will get a new prefix.   It's the binding between the SLAAC address and the prefix that is stateful.   So the address itself isn't what's stateful.