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Re: Non routable IPv6 registry proposal

Keith Moore <moore@network-heretics.com> Mon, 15 March 2021 17:38 UTC

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Subject: Re: Non routable IPv6 registry proposal
To: Bob Hinden <bob.hinden@gmail.com>, Brian Carpenter <brian.e.carpenter@gmail.com>
Cc: Nico Schottelius <nico.schottelius@ungleich.ch>, David Farmer <farmer@umn.edu>, IETF <ietf@ietf.org>
References: <CAMm+LwjNiE0P7RAVqzKMypNbh3=9BeqiWn_hGv3E=zX7-YmSXQ@mail.gmail.com> <72F969A9-AF94-47B6-B48C-B3CD4D9A7C72@strayalpha.com> <7cc9e38c-5a00-ec59-a8c2-10503cc40d50@si6networks.com> <CB1A6DF0-8CDD-495D-9F7B-80BF72F08C1E@strayalpha.com> <53d7190a-3e1f-66b3-0574-8e8fbb3a7a5e@si6networks.com> <90718D2A-3483-45D2-A5FB-205659D4DCDB@cisco.com> <87h7li0z2t.fsf@line.ungleich.ch> <253e084c-6ced-7f94-c909-bd44f7c53529@network-heretics.com> <CAN-Dau2YCvCfWmPwGhF8q2c5fMDCbMhNBDA180x1o1Y9ZQga7Q@mail.gmail.com> <ae98f990-a063-70a2-5244-8aca0d19be44@gmail.com> <CAN-Dau3pV7y7g=QxGwipPUAQgf-TXE41MJGK47oUeSaNx5COng@mail.gmail.com> <0d364d72-44e3-27bc-fc15-c3c30da4522c@gmail.com> <CAN-Dau1+Pc658VY_oWJS+ooNLw8+Y59ma2nuY1jbzcecaO=fxg@mail.gmail.com> <87h7ldpuv0.fsf@ungleich.ch> <d0f2a06b-1d48-d43e-b962-5a695f154b73@gmail.com> <BC18C8B1-7D29-4EE1-A9EB-70B4218CE858@gmail.com>
From: Keith Moore <moore@network-heretics.com>
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Date: Mon, 15 Mar 2021 13:38:28 -0400
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On 3/15/21 1:28 PM, Bob Hinden wrote:

> I agree.   I have always thought that the biggest issue for ULA-C is who maintains the central registry.   It needs to be free or very low cost, and permanent.

I am guessing that the biggest issue is actually to prevent them from 
being advertised and routed in the public network.   Sure, in the near 
term, maybe everyone will filter route advertisements for ULA-C 
prefixes, but what about the long term?   Since they're globally unique 
and traceable to their owners, there's less technical justification for 
filtering them.

Keith

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