> from realworld experience in providing IPv6 services at an ISP, > and as a customer of that service: > > /48 PA assignments to the customer is sufficient. > for roaming clients (like travelling laptops with PPP) there's a > different requirement. > IMHO even a traveling laptop with PPP needs to be able to subnet. I've lost count of the number of times I've needed to do this in IPv4 but been stuck with a single /32. I have also lost count of the number of times I've used a laptop as a router in the days when I had a /28 routed to me. Built in NAT capability for IPv4 that allows a single PPP connection to be shared over wireless seems fairly common these days. We need the equivalent capability in IPv6, just without NAT.
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