> From: Kurt Erik Lindqvist [mailto:kurtis@xxxxxxxxxxxx] > > NAT is a dead end. If the Internet does not develop a way > to obsolete > > NAT, the Internet will die. It will gradually be replaced > by networks > > that are more-or-less IP based but which only run a small number of > > applications, poorly, and expensively. > > > ...or you will see an overlay network build on top of > NAT+IPv4 that abstracts the shortcomings away - aka what the > peer to peer networks are doing. End-to-end addressing... Precisely. Just what is this fetish about keeping the IP address the same as the packet travels? If there is a way for the host to determine that it is behind a NAT and to request external registration of necessary ports the whole process can be made completely transparent to the hosts at each end.
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