[ipv6-wg] "router cascade with DHCPv6-PD"

Hi Michael,

Thanks for sending this along, one of things when I read this article was
the firewall not allowing PD traffic thru.  I will be adding that was a
requirement to this draft.

~Tim

On Fri, Jan 13, 2023 at 12:44 PM Michael Richardson <mcr+ietf at sandelman.ca>
wrote:

>
> (I guess the article is in German, but google translate did a good job on
> it)
>
> This relates to the desire to amend RFC7084 to support "southbound"
> DHCPv6-PD:
>
> https://datatracker.ietf.org/doc/draft-winters-v6ops-cpe-lan-pd/
>
> >https://www.heise.de/select/ct/2023/2/2230709000622055021
> >
> >Alexander Traud tested 29 CPEs and tried to understand how they react to
> prefix changes.
>
> Router cascade with DHCPv6-PD
>
> With routers connected in a cascade, the internal network can be divided
> into
> several zones. This is useful, for example, in shared apartments that want
> to
> share an Internet connection, but each resident should still have their own
> (W)LAN. To do this, the front router, which is directly connected to the
> Internet, must pass on part of the prefix it received from the provider
> (DHCPv6-PD, prefix delegation) and its DHCPv6 server must ideally be able
> to
> use DHCPv6 reconfigure. Only AVM and Wavlink offered both in the test
> field.
>
> --
> Michael Richardson <mcr+IETF at sandelman.ca>   . o O ( IPv6 IøT consulting )
>            Sandelman Software Works Inc, Ottawa and Worldwide
>
>
>
>
> --
>
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