Subject: Re: [nat66] Why not an application gateway?

From: Fred Baker <[email-masked]>
Date: Wed, 1 Apr 2009 08:58:54 -0700

well, an application gateway means that you're operating at the  
application layer, which means that you are terminating the transport  
connections and potentially opening transport connections on a  
different transport.

why do that?

On Mar 30, 2009, at 8:15 PM, Tom Pusateri wrote:

> So once you limit NAT for IPv6 to a 1:1 mapping (i.e. you no longer  
> share an address), then it seems like there's isn't a big advantage  
> over an application gateway.
>
> In fact, I would much prefer an application gateway because you are  
> no longer interfering with the packets. You are consciously  
> directing them to a point of policy.
>
> Today, there may not be the perfect way to configure the application  
> gateway on the hosts but that problem can be easily solved with  
> either one or more existing DHCP options or some new ones.
>
> This provides the same topology hiding as well as the same multi- 
> homing capabilities.
>
> What am I missing?
>
> Thanks,
> Tom
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