NAT444 or ?

Cameron Byrne cb.list6 at
Sat Sep 10 13:40:10 UTC 2011

On Sep 9, 2011 10:54 PM, "Dobbins, Roland" <rdobbins at> wrote:
> On Sep 10, 2011, at 12:46 PM, Mark Tinka wrote:
> > GPRS/3G/EDGE has made many a mobile provider especially notorious.
> All this problematic state should be broken up into smaller instantiations
and distributed as close to the access edge (RAN, wireline, etc.) as
possible in order to a) reduce the amount of state concentrated in a single
device and b) to minimize the impact footprint when aberrant traffic
inevitably fills up the state tables and said devices choke.

Ip mobility via gtp or mobile ip generally does not work when you nat at the
'edge'.  If you don't want your ip address to change every time you change
cell sites, the nat has to be centralized.

> -----------------------------------------------------------------------
> Roland Dobbins <rdobbins at> // <>
>                The basis of optimism is sheer terror.
>                          -- Oscar Wilde

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