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Re: draft-ietf-6man-slaac-renum: Heuristics to deprecate stale information

Fernando Gont <fgont@si6networks.com> Fri, 12 August 2022 22:44 UTC

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Date: Fri, 12 Aug 2022 19:44:25 -0300
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Subject: Re: draft-ietf-6man-slaac-renum: Heuristics to deprecate stale information
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To: Ted Lemon <mellon@fugue.com>
Cc: Vasilenko Eduard <vasilenko.eduard=40huawei.com@dmarc.ietf.org>, ipv6@ietf.org
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From: Fernando Gont <fgont@si6networks.com>
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Hi, Ted,

On 12/8/22 19:23, Ted Lemon wrote:
> On Fri, Aug 12, 2022 at 17:33 Fernando Gont <fgont@si6networks.com 
> <mailto:fgont@si6networks.com>> wrote:
> 
>     On 12/8/22 13:52, Ted Lemon wrote:
>      > FWIW, I would like to see the points made in item 1 addressed in
>      > slaac-renum.
> 
>     Regarding #1, nodes that change their address or that "disappear", I'd
>     say that's not really renumbering.
> 
> 
> The point is that if the router goes away, we would like to detect that 
> quickly. A good way to detect it quickly is to notice signals that 
> suggest the link has changed and probe for known routers. If they don’t 
> answer, deprecate their information. Does this not make sense?

Agreed. Now, when it comes to the "signals" are you thinking of RFC6059? 
link-status change events? Both? Something else?

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: F242 FF0E A804 AF81 EB10 2F07 7CA1 321D 663B B494

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