[144273] in North American Network Operators' Group
Re: NAT444 or ?
daemon@ATHENA.MIT.EDU (Daniel Roesen)
Wed Sep 7 13:11:33 2011
Date: Wed, 7 Sep 2011 19:10:49 +0200
From: Daniel Roesen <dr@cluenet.de>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <OFE03D0C83.D3E7AC70-ON85257904.005DDB08-85257904.005DF395@videotron.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Wed, Sep 07, 2011 at 01:06:11PM -0400, Jean-Francois.TremblayING@videotron.com wrote:
> I had the same question. I found Miyakawa-san's presentation has some
> dramatic examples of CGN NAT444 effects using Google Maps:
> http://meetings.apnic.net/__data/assets/file/0011/38297/Miyakawa-APNIC-KEYNOTE-IPv6-2011-8.pptx.pdf
Those effects are not specific to NAT444, but apply to any
provider-based NAT limiting the amount of parallel sessions available to
any one customer. Randy was (as I understood him) referring to the
evilness of double-NAT in contrast to single-state NAT (as used with
e.g. DS-Lite).
Best regards,
Daniel
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