[124942] in North American Network Operators' Group

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Re: ARIN IP6 policy for those with legacy IP4 Space

daemon@ATHENA.MIT.EDU (John Palmer \(NANOG Acct\))
Wed Apr 7 18:55:20 2010

From: "John Palmer \(NANOG Acct\)" <nanog2@adns.net>
To: "NANOG list" <nanog@nanog.org>
Date: Wed, 7 Apr 2010 17:54:44 -0500
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

I kind of thought that was something that had already been worked out.

Thats what I get for not paying close enough attention.

----- Original Message ----- 
From: "Deepak Jain" <deepak@ai.net>
To: "Lee Howard" <lee@asgard.org>; "'Gary E. Miller'" <gem@rellim.com>; "'OwenDeLong'" <owen@delong.com>
Cc: "'NANOG list'" <nanog@nanog.org>
Sent: Wednesday, April 07, 2010 5:31 PM
Subject: RE: ARIN IP6 policy for those with legacy IP4 Space



Now I may be talking crazy...

IIRC, all of IPv4 space maps to a section of IPv6 space.

<mad hat on>

If one has legacy IPv4 space, but actually talks IPv6 couldn't one announce a prefix much longer than a /64 to map them onto the 
IPv6 universe (assuming people would allow such craziness... perhaps on their IPv4 speaking routers) and originate/terminate traffic 
as normal?

</mad hat off>

Isn't this all left to the networks to enforce, as usual, but unlike the status quo, these are all valid allocations...

Technical note: I know this breaks lots of IPv6 goodness (no need to enumerate it here).

DJ






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