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> Wed, 15 November 2017 10:36 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Wed, 15 Nov 2017 18:36:27 +0800
In-Reply-To: <94c43dcb-ae27-d55b-83b5-2b8808f5a5f6@marples.name>
Cc: "Bernie Volz (volz)" <volz@cisco.com>, dhcwg <dhcwg@ietf.org>, Alexandre Petrescu <alexandre.petrescu@gmail.com>
To: Roy Marples <roy@marples.name>
References: <149869621720.6575.278128190348174876@ietfa.amsl.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> <DB4FB172-B3CB-4471-9E07-A4CEE34D6A82@fugue.com> <f5b1fdd0-407f-c4ef-d937-dfd3ad909b47@marples.name> <CAPt1N1nh0rfi+zhc+emu4V1sZk+hgDpJGKBW_uVNdxp-GuJYMw@mail.gmail.com> <c7f1410a-f6ab-0551-d586-9d6c9e04a093@marples.name> <FD4C36E2-6C5A-43E5-864E-AF7AD6D25B87@cisco.com> <94c43dcb-ae27-d55b-83b5-2b8808f5a5f6@marples.name>
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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 Nov 15, 2017, at 6:32 PM, Roy Marples <roy@marples.name> wrote:
> What I don't understand is if it's optional, why does the option exist in the first place if people here are saying not to use it?

The point is that even if you use it, you still can't use it for the initial message.