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

Gert Doering <gert@space.net> Wed, 19 July 2017 09:08 UTC

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Date: Wed, 19 Jul 2017 11:08:35 +0200
From: Gert Doering <gert@space.net>
To: james woodyatt <jhw@google.com>
Cc: 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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Hi,

On Tue, Jul 18, 2017 at 12:44:29AM -0700, james woodyatt wrote:
> That would be a gross misinterpretation of the recommendation.
> The recommendation in RFC 7934 is clearly written and does not need
> updating to provide more clarity about the implications for usage
> of DHCPv6. The clear implication of the recommendation is *NOT*
> that networks SHOULD NOT provide DHCPv6 services. The clear implication
> of the recommendation is that networks SHOULD NOT require hosts to
> use DHCPv6 with IA_NA/IA_TA to obtain all their addresses.

And this is not a "recommendation that networks SHOULD NOT provide DHCPv6
stateful addressing services"?

Which is the point, isn't it?

> >>>    fact that a host which uses DHCPv6 IA_NA or IA_TA cannot use new
> >>>    addresses without requesting them from a DHCPv6 server on the
> >>>    network.
> 
> That???s not a fact. In fact. Factually speaking, a host which uses 
> DHCPv6 IA_NA or IA_TA absolutely MAY use new addresses without requesting 
> them from a DHCPv6 server on the networks. 

How so, if SLAAC is not active?

I can see the point that Nick is making: this document implicitly recommends
that networks should not use DHCPv6 IA_NA (-only), without explicit WG
consensus that this should be BCP.

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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