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

"STARK, BARBARA H" <bs7652@att.com> Thu, 20 July 2017 11:25 UTC

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From: "STARK, BARBARA H" <bs7652@att.com>
To: Gert Doering <gert@space.net>, Lorenzo Colitti <lorenzo@google.com>
CC: james woodyatt <jhw@google.com>, IPv6 Operations <v6ops@ietf.org>
Thread-Topic: [v6ops] New Version Notification for draft-hilliard-v6ops-host-addr-update-00.txt
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Date: Thu, 20 Jul 2017 09:19:02 +0000
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Subject: Re: [v6ops] New Version Notification for draft-hilliard-v6ops-host-addr-update-00.txt
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> 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

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