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Re: Adoption Call for "Improving the Robustness of Stateless Address Autoconfiguration (SLAAC) to Flash Renumbering Events"

Loganaden Velvindron <loganaden@gmail.com> Tue, 30 June 2020 05:54 UTC

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From: Loganaden Velvindron <loganaden@gmail.com>
Date: Tue, 30 Jun 2020 09:54:18 +0400
Message-ID: <CAOp4FwStK59Sc4UY2Hre4ZMUAnUCXeM0GYv0qNBTnGA+XXGMiA@mail.gmail.com>
Subject: Re: Adoption Call for "Improving the Robustness of Stateless Address Autoconfiguration (SLAAC) to Flash Renumbering Events"
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: Fernando Gont <fgont@si6networks.com>, Gyan Mishra <hayabusagsm@gmail.com>, Bob Hinden <bob.hinden@gmail.com>, IPv6 List <ipv6@ietf.org>
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On Mon, Jun 29, 2020 at 6:11 AM Brian E Carpenter
<brian.e.carpenter@gmail.com> wrote:
>
> On 29-Jun-20 13:48, Fernando Gont wrote:
> ...
>
> >> Since the flash renumbering is such a corner case I think we really have
> >> to vet the impact of changes in all other scenarios.  Also the fact that
> >> users at home are causal users not business critical that can result in
> >> revenue loss I think that would be a consideration.
> >>
> >> Also maybe having a v6ops draft that talks about corners case issues
> >> which below does exist.
> >
> > Would you mind elaborating on what you mean by "corner case"? Operators
> > have repeatedly noted on the v6ops list that these scenarios do happen.
> > And as noted in another email, work on this topic was indeed triggered
> > by an ISP that asked for guidance while dealing with this issues.
>
> I'll repeat something I think I said many months ago. While I was in an
> apartment that had a defective POTS twisted pair (eventually traced to
> water ingress to a defective junction point under the road), I had multiple
> ADSL resets every rainy day for months, and because of my ISP's policy
> that led to multiple flash renumberings per day.
>
> Yes, OK, it shouldn't happen but it does happen.
>

Dynamic IPv6 is a real pain to deal with. This was pushed as a
"business" decision to
avoid customers from hosting their own services at home in Mauritius.

[I keep pushing for static ipv6 for home users and explaining to local
ISPs that this is a bad
business decision as the cost of electricity is too high to bother
hosting a server at home.]

>     Brian
>
> >
> > https://tools.ietf.org/html/draft-ietf-v6ops-slaac-renum should make it
> > evident that this is a general issue with SLAAC, as opposed to a "corner
> > case" that happens in one particular scenario.
> >
> > Thanks!
> >
> > Cheers,
> >
>
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