On 4/30/10 1:37 PM, Chris Engel wrote:
> It is admirable to support efforts that NAT NEED not be deployed for those 
> organizations who deem it problematic.... it is wrong-headed to attempt to 
> PREVENT organizations who find NAT useful from deploying it on their OWN 
> network boundaries in an IPv6 world.
IETF cannot prevent people from doing things that do harm to themselves
or to the network.  But IETF's job is to recommend what will work well
for the Internet as a whole, not to optimize for corner cases at the
expense of the whole.  

Given two different architectures, one without NATs and one with NATs,
you solve certain problems (like hiding internal network architecture)
in different ways.  But the solution without NATs is less complex, more
reliable, flexible, cheaper, and more adaptable to a wide variety of
applications.  The choice is clear.

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