Re: A common problem with SLAAC in "renumbering" scenarios

Jan Zorz - Go6 <jan@go6.si> Mon, 11 February 2019 20:10 UTC

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Subject: Re: A common problem with SLAAC in "renumbering" scenarios
To: Michael Richardson <mcr@sandelman.ca>, Mark Smith <markzzzsmith@gmail.com>
Cc: 6man WG <ipv6@ietf.org>
References: <60fabe4b-fd76-4b35-08d3-09adce43dd71@si6networks.com> <alpine.DEB.2.20.1901311236320.5601@uplift.swm.pp.se> <m1gpCcz-0000FlC@stereo.hq.phicoh.net> <ddd28787-8905-bafd-3546-2ceef436c8b0@si6networks.com> <m1gptWx-0000G3C@stereo.hq.phicoh.net> <69609C58-7205-4519-B17A-4FBC8AE2EA16@employees.org> <d40b41c3-ff1b-cab4-a8de-16692a78e8fd@go6.si> <D1E45CAD-08D0-43D4-90F7-C4DD44CB32C0@employees.org> <alpine.DEB.2.20.1902041330531.23912@uplift.swm.pp.se> <46B8DB92-DC81-4242-9780-0D00FB6BDB7A@employees.org> <1c7ebabb-d6f6-d877-d4aa-d6c0fc7d5c60@go6.si> <6278.1549471453@dooku.sandelman.ca> <CAO42Z2xdKtLJV11KXELBKca6CWn=B6Avz6bO_94kFFXaKiZ-pQ@mail.gmail.com> <4602.1549908472@localhost>
From: Jan Zorz - Go6 <jan@go6.si>
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Date: Mon, 11 Feb 2019 21:10:43 +0100
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On 11/02/2019 19:07, Michael Richardson wrote:
>      > For troubleshooting, customers' can plug a PC directly into the
>      > service to test it, isolating the CPE as a fault cause. This is a
>      > little bit more important in BYO CPE markets than it would be in ISP
>      > provided/managed CPE.
> 
> This is a big one plus in my opinion.

Indeed... and also numbering a single-host access with IPv6 if that is 
the case.

> 
>      > The decision on for the production residential IPv6 broadband
>      > deployment I worked on back in 2010 was to do dynamic GUA /64s on the
>      > PPPoE session/link, and a static/stable PD prefix provided via RADIUS.
>      > So outside the BNG, there was only 1 PD route per customer.
> 
> Is there a document a RIPE or Broadband forum or ??? that details this decision?

Not (yet). We touched this in principle in RIPE-690, but nothing 
detailed. I think we should do that.

Cheers, Jan