Roger Marquis and Keith Moore wrote:
Instead of empty rhetoric I would recommend that any critique of NAT,
positive or negative, address all of the reasons why it has become so
popular.
Perhaps one of the reasons why it's popular is that there are far too
many network administrators in the world who believe that the network
exists for _their_ convenience, or allow users to run only the
applications that the network administrators want them to run. They
prefer having crippled networks because it makes their jobs easier.
It is good that we are having this discussion. It is clear that NAT'ing
has significant disadvantages. But it also seems inevitable that
NAT'ing will be used nonetheless, even in IPv6.
The intent of my analysis is to minimize the harmful impact of such use,
by providing guidance on how to implement NAT in IPv6. The intent is
neither to promote nor to discourage the use of NAT, since I believe
that either would be in vain anyway.
- Christian
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