Replication between DC and ADC

Hi,

I would like to know how do i replicate between DC and ADC over the internet of different IP Range the IP address of ADC will be
192.x.x.x and this is mapped to public IP address of range 203.x.x.x so kindly let me know how will this replicate between DC and ADC over the internet of different classes?I would be grateful if you can help me