Phillip Hallam-Baker wrote: > So lets stop asking ISPs 'do you support IPv6' and instead ask 'Is your > Internet service 32 bit or 128'? FYI, NAT means 48 bit Internet, which is large enough for all the practical purposes. You can enjoy the 48 bit space even with the end to end transparency with RSIP (rfc3130), A+P (rfc6346), E2ENAT (draft-ohta-e2e-nat) or PE-ARP (NANOG47), though A+P is written as if it can't. Masataka Ohta