> > Such 1-for-1 address rewriting does not provide the topology
> > hiding that many people seem to like of their existing NAPT
> > devices, nor does such 1-for-1 address rewriting obscure the
> > number of hosts behind the NAT.  Such obscuring can be useful
> > for certain businesses (there are, today, small ISPs in certain
> > countries that do not want their country's PTT to know the
> > ISP's actual market share, for fear tarrifs or advertising to
> > compete with the small ISP will be increased).
> 
> So how far, exactly, are you prepared to bend over backwards 
> and crack  
> the spine of the IP architecture to accommodate 0.01% or so of its  
> users? Not to mention the cost increases for all the extra protocol  
> layers and debugging that must be borne by the other 99.99%?

I am not willing to bend over backwards or even sideways for 
such numbers.

-d

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