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Re: AT&T UVERSE Native IPv6, a HOWTO

daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Fri Nov 29 02:35:23 2013

Date: Fri, 29 Nov 2013 08:35:10 +0100 (CET)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: Mark Andrews <marka@isc.org>
In-Reply-To: <20131129072801.E26D2AF62CE@rock.dv.isc.org>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Fri, 29 Nov 2013, Mark Andrews wrote:

>
> In message <alpine.DEB.2.02.1311290622170.1157@uplift.swm.pp.se>, Mikael Abrahamsson writes:
>> On Fri, 29 Nov 2013, Mark Andrews wrote:
>>
>>> You can hand out /48 as easily with 6rd as you can natively.
>>>
>> You're contradicting yourself here.
>
> What contradiction?

"As easily". It's easier to either hand out /64 by means of 1:1 mapping 
IPv4 and IPv6, or (if ability exists) hand out /48 or /56 using PD, than 
to get into the whole backend mess of having multiple 6RD domains with 
multiple configs per IPv4 subnet etc.

I agree with you theoretically, but in practice I disagree.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se


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