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Re: [v6ops] New Version Notification for draft-hilliard-v6ops-host-addr-update-00.txt

Lorenzo Colitti <lorenzo@google.com> Thu, 20 July 2017 11:31 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Thu, 20 Jul 2017 13:31:22 +0200
Message-ID: <CAKD1Yr3nKyGWF-snHY7gVcAwMVTejKkXZSuEMQLBM8V=POyO9g@mail.gmail.com>
To: Ted Lemon <mellon@fugue.com>
Cc: "STARK, BARBARA H" <bs7652@att.com>, james woodyatt <jhw@google.com>, Gert Doering <gert@space.net>, IPv6 Operations <v6ops@ietf.org>
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Subject: Re: [v6ops] New Version Notification for draft-hilliard-v6ops-host-addr-update-00.txt
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Running both IA_NA and SLAAC is certainly not precluded by RFC 7934. In the
specific case of home routers, RFC 7084 says they MUST have a DHCPv6
server, either stateful or stateless.

On Thu, Jul 20, 2017 at 1:28 PM, Ted Lemon <mellon@fugue.com> wrote:

> And, at the moment, it is not precluded, right?
>
> On Jul 20, 2017 1:25 PM, "STARK, BARBARA H" <bs7652@att.com> wrote:
>
>> > Since there is no reason to deploy both IA_NA/IA_TA *and* SLAAC, it
>> > effectively *is*, and no amount of word-weaseling is going to change
>> this.
>>
>> I've spoken to various ISPs who want to deploy their IPTV STBs or home
>> automation devices, in conjunction with their CE routers, in such a way
>> that the STBs and home automation devices do both SLAAC and DHCPv6. The
>> STBs/etc devices automatically request IA_NA without caring about values of
>> bits in an RA (because M=0 may be used in RAs to prevent other devices from
>> asking). The DHCPv6 server in the ISP CE router recognizes the ISP's host
>> devices and provides them (and only them) with DHCPv6 IA_NA addresses.
>> Those addresses are used specifically to access the ISP service. For
>> communicating with other devices on the LAN or other Internet services,
>> SLAAC addresses are used.
>>
>> I think this is a perfectly valid use case. There is no reason to
>> preclude it. I don't see privacy implications. The ISP services don't tend
>> to be delivered over "the Internet". The devices don't roam.
>> Barbara
>>
>> _______________________________________________
>> v6ops mailing list
>> v6ops@ietf.org
>> https://www.ietf.org/mailman/listinfo/v6ops
>>
>

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