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Re: [lisp] Last Call: <draft-ietf-lisp-eid-block-03.txt> (LISP EID Block) to Informational RFC

Brian E Carpenter <brian.e.carpenter@gmail.com> Fri, 16 November 2012 09:05 UTC

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Date: Fri, 16 Nov 2012 09:05:26 +0000
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Sander Steffann <sander@steffann.nl>
Subject: Re: [lisp] Last Call: <draft-ietf-lisp-eid-block-03.txt> (LISP EID Block) to Informational RFC
References: <20121113144545.12836.71935.idtracker@ietfa.amsl.com> <CAKFn1SFy2+hXJLVtEpkdXfNuXA31ybmYnBFFPXj-73kb3tD+yw@mail.gmail.com> <5FCB8A98-4984-427C-9468-1DFDEBD206FD@steffann.nl> <87676878-B077-4B4C-96DC-9F755F78018A@gigix.net> <50A530E7.8@lacnic.net> <B8132154-7260-43B4-B10D-E5B95924A15D@gmail.com> <00C0245E-59D7-4552-8BB4-1C0099513D1D@steffann.nl> <D470B9D8-977F-4E8B-8EDF-7769D5773279@gmail.com> <0BC58149-A314-4AD3-80A5-DC8BF5DB0E2D@steffann.nl> <2007FD20-0EA4-4204-81A5-D9AE0201419D@gmail.com> <D40BD502-1E3A-4AAA-A040-E2E4EE83141D@steffann.nl> <8F781829-457B-4B32-B91A-46C22BC5D570@gmail.com> <22AD9545-DDC9-4FE9-A984-1D0E3987D02D@steffann.nl>
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Cc: ietf@ietf.org, Dino Farinacci <farinacci@gmail.com>, lisp@ietf.org
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On 15/11/2012 22:41, Sander Steffann wrote:
...
>>> b) as a user of that EID space I would be at the mercy of
>>> PITR operators that I don't even know
>> You are at the mercy of a lot of infrastructure components
>> today. This is no different.
> 
> Yes it is. *please*please*please* study what happened to 6to4
> and the 2002::/16 prefix before continuing this discussion.

The problem there was that the design of 6to4 assumed, and
relied on, altruistic cooperation between operators, to ensure
that there was a useable route to 2002::/16 *everywhere* in the
IPv6 network. That assumption was naive and led to black holes.

My main concern with LISP deployment is whether there will be
a useable route to EID space *everywhere* in the (non-LISP)
network. If that also relies on altruism, I would share Sander's
concern.

     Brian

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