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Re: [dhcwg] I-D Action: draft-ietf-dhc-rfc3315bis-09.txt - questions about Solicit Prefix Delegation - src LL vs GUA

Ted Lemon <mellon@fugue.com> Fri, 20 October 2017 20:52 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Fri, 20 Oct 2017 16:52:43 -0400
In-Reply-To: <9bad26dc5b2d42ee9cca47adb32eedc0@XCH15-06-08.nw.nos.boeing.com>
Cc: "Bernie Volz (volz)" <volz@cisco.com>, Alexandre Petrescu <alexandre.petrescu@gmail.com>, "dhcwg@ietf.org" <dhcwg@ietf.org>
To: "Templin, Fred L" <Fred.L.Templin@boeing.com>
References: <149869621720.6575.278128190348174876@ietfa.amsl.com> <08e4e953-3a68-d6cb-6066-f60514ef0ac5@gmail.com> <3285281858d043649d507b6bda7b8646@XCH-ALN-003.cisco.com> <1f94b780-59c1-42ce-936d-0c8a71143444@gmail.com> <37917a26062f4e4c9715d324604e4d01@XCH-ALN-003.cisco.com> <d944ac55-d67d-d7d4-8eeb-f60438fdda2d@gmail.com> <35558A79-C176-4D71-9E91-4BDB19DDD006@cisco.com> <67ba54d2-d53f-82bf-93c9-1b92631ef4e8@gmail.com> <86409a9acb7846ddbdff42c58328e7d6@XCH-ALN-003.cisco.com> <eccd5dd2-3542-fdbc-89a2-7d13d563163d@gmail.com> <2fbc8325961c49a1944e3ee216fcb032@XCH-ALN-003.cisco.com> <a3f9cd45-403a-c6f6-6e9a-98a9b651a339@gmail.com> <4c25045f863a4e368f58a5a4a3917bde@XCH-ALN-003.cisco.com> <37918108-c5ed-a82d-2d97-227388ec25d0@gmail.com> <1A785964-1088-4081-B7DC-58E3CD9B0605@cisco.com> <9bad26dc5b2d42ee9cca47adb32eedc0@XCH15-06-08.nw.nos.boeing.com>
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Subject: Re: [dhcwg] I-D Action: draft-ietf-dhc-rfc3315bis-09.txt - questions about Solicit Prefix Delegation - src LL vs GUA
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On Oct 20, 2017, at 4:46 PM, Templin, Fred L <Fred.L.Templin@boeing.com> wrote:
> Sorry I am late to this discussion, but AERO uses link-local source address for
> all DHCPv6 PD messaging. It works in the public domain implementations I
> have been working with.

It's actually nonsensical to use some other address.   One of the purposes of DHCP is to get addresses, so if the server assumes you already have one, how's that going to work?

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