BBC News - 'Fresh proposals' planned over cyber-monitoring

[Ian Batten]

> 
> That's an entirely separate matter, and one addressed by other kludgy technologies disjoint from NAT such as Teredo.
> 
> Although one of them (not very popular I think) is called NAT-TP.

http://tools.ietf.org/html/rfc6146 looks more promising.

> 
> Basically, the people who specified IPv6 screwed up, big time, in not making it backwards compatible. They've got all sorts of excuses, that only geeks who understand products, but not product management, would relate to.

It would be interesting to understand what such a protocol would look like.  The basic problem surely is that if you have two address spaces, one larger than the other, you can't have a 1:1 mapping between the two (and to do so would defeat the object of making the address space larger).

ian