NAT444 or ?

Daniel Roesen dr at cluenet.de
Wed Sep 7 12:10:49 CDT 2011


On Wed, Sep 07, 2011 at 01:06:11PM -0400, Jean-Francois.TremblayING at 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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