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Re: Last Call: <draft-weil-shared-transition-space-request-14.txt> (IANA Reserved IPv4 Prefix for Shared Address Space) to BCP

2012-02-10 18:39:40
Pete Resnick wrote:

and can be used by other 
people who build sane equipment that understands "shared" addresses can 
appear on two different interfaces.

With so complicated functionality of NAT today, the only
practical approach to build such equipment is to make it
a double NAT as:

                          +-----+   +-----+
        (a private space)-| NAT |---| NAT |-(same private space)
                          +-----+   +-----+

the only problem is that we need another private address
space used only between element NATs within the double NAT.

Can IETF allocate such address?

                                                Masataka Ohta
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