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RE: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt

"Templin (US), Fred L" <Fred.L.Templin@boeing.com> Tue, 13 November 2018 16:35 UTC

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From: "Templin (US), Fred L" <Fred.L.Templin@boeing.com>
To: Ole Troan <otroan@employees.org>
CC: Naveen Kottapalli <naveen.sarma@gmail.com>, 6man WG <ipv6@ietf.org>, v6ops list <v6ops@ietf.org>
Subject: RE: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt
Thread-Topic: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt
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Date: Tue, 13 Nov 2018 16:34:53 +0000
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Hi Ole,

> -----Original Message-----
> From: Ole Troan [mailto:otroan@employees.org]
> Sent: Monday, November 12, 2018 11:57 PM
> To: Templin (US), Fred L <Fred.L.Templin@boeing.com>
> Cc: Naveen Kottapalli <naveen.sarma@gmail.com>; 6man WG <ipv6@ietf.org>; v6ops list <v6ops@ietf.org>
> Subject: Re: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt
> 
> Fred,
> 
> >>> I agree to some extent that DHCPv6 is a format on wire.  But am sure it would consume more resources at router to support
> DHCPv6
> >> as a whole along with SLAAC.
> >>
> >> Prefix delegation is quite different from SLAAC.
> >> Regardless this is water under the bridge. Since 2003.
> >
> > So I can understand this comment, the water under the bridge refers to the
> > selection of DHCPv6 PD as the protocol for prefix delegation. Is that what
> > you were meaning to say?
> 
> Sure.

OK, so you are saying that DHCPv6 is *the* chosen protocol for Prefix Delegation
and there shall be no alternate IPv6 ND-based protocol in addition to that. I don't
mind a statement like that, but would the community agree with it?

> The value proposition of something new, has to be different than “just different wrapping”.

By "different wrapping", are you are talking about non-DHCPv6 protocol proposals?
If not, if you mean to say that the idea of including a DHCPv6 option in RS/RA messages
is "just a different wrapping", then that is not entirely true. By including both the IPv6
ND and DHCPv6 functions in a single message exchange, there are fewer messages
and fewer round trips. That in itself is interesting.

Thanks - Fred

> We are still struggling with “permissionless extensions” of an IPv6 network. Something that solved that problem, would be a lot more
> interesting to talk about.
> 
> Cheers,
> Ole

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