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

Lorenzo Colitti <lorenzo@google.com> Tue, 18 July 2017 08:10 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Tue, 18 Jul 2017 10:09:49 +0200
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To: Ted Lemon <mellon@fugue.com>
Cc: Mark Smith <markzzzsmith@gmail.com>, IPv6 Operations <v6ops@ietf.org>
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Subject: Re: [v6ops] Fwd: New Version Notification for draft-hilliard-v6ops-host-addr-update-00.txt
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Correct, the RFC does not say that DHCPv6 is NOT RECOMMENDED.

It does say that running a network for general purpose hosts that only
provides addresses via DHCPv6 IA_NA or IA_TA is NOT RECOMMENDED. More
precisely: if a network only provides addressing using DHCPv6, then it
should use a DHCPv6 mechanism that provides a /64 to each host. Currently
the only such mechanism is DHCPv6 PD.

Of course, it can use other non-DHCPv6 mechanisms as well, as long as they
either allow forming addresses on demand and/or they provide a /64 to every
device.

On Tue, Jul 18, 2017 at 9:44 AM, Ted Lemon <mellon@fugue.com> wrote:

> Yeah, a couple of reminders here.  First, the text in the RFC is
> explicitly recommending the use of IA_PD as the _only_ solution to
> delegating prefixes.   Second, this is an RFC, and the document that
> proposes a way to delegate prefixes without DHCP is a draft, not an RFC.
> That document is not mentioned in the RFC.   So to suggest that this
> document says that IETF consensus is that DHCP is NOT RECOMMENDED is simply
> incorrect.​
>
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