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RE: [v6ops] Combining IPv6 ND and DHCPv6 into a single, unified function

"Templin, Fred L" <Fred.L.Templin@boeing.com> Mon, 27 November 2017 17:30 UTC

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From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
To: Fred Baker <fredbaker.ietf@gmail.com>, Michael Richardson <mcr+ietf@sandelman.ca>
CC: "dhcwg@ietf.org" <dhcwg@ietf.org>, "v6ops@ietf.org" <v6ops@ietf.org>, "6man@ietf.org" <6man@ietf.org>
Subject: RE: [v6ops] Combining IPv6 ND and DHCPv6 into a single, unified function
Thread-Topic: [v6ops] Combining IPv6 ND and DHCPv6 into a single, unified function
Thread-Index: AdNiReoj4OrwrQYST+iGtIF1uM57NgAkcdkAADO+44AAEoFNVADsr44Q
Date: Mon, 27 Nov 2017 17:30:19 +0000
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Hi Fred,

> -----Original Message-----
> From: ipv6 [mailto:ipv6-bounces@ietf.org] On Behalf Of Fred Baker
> Sent: Wednesday, November 22, 2017 4:19 PM
> To: Michael Richardson <mcr+ietf@sandelman.ca>
> Cc: dhcwg@ietf.org; v6ops@ietf.org; 6man@ietf.org
> Subject: Re: [v6ops] Combining IPv6 ND and DHCPv6 into a single, unified function
> 
> 
> 
> > On Nov 22, 2017, at 8:53 AM, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
> >
> > My understanding is that Fred Templin essentially wants to carry DHCP
> > (configuration) options in ND/RA.
> 
> On thing that I have never understood is the lack of an RA option that carries any DHCPv6 option. This entire silly debate would end if
> RAs encompassed DHCP options.

Yes, that is what the draft says. The client's DHCPv6 request messages are
included in RS options, and the server's DHCPv6 reply messages are included
in RA options. A unified IPv6 ND/DHCPv6 autoconfiguration service.

As near as I can tell, everyone wants prefix delegation which is by nature
a stateful service. Some seem to be questioning DHCPv6 as the correct
architecture for the stateful service, but if not DHCPv6 then there would
need to be a new prefix delegation architecture - perhaps a design from
scratch. But, when all is said and done, it would end up looking very much
like DHCPv6.

Thanks - Fred

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