IPV6 Point-to-point addressing
Over the years I have seen providers use a wide variety of subnets across a point-to-point link. Anything from a /64, to /122,124, and the 127
IPV6 Planning and Implementation resources for the xISP
This post is designed to give you a lot of information on implementing IPV6 into your network. Much of this has been aimed at the service provider market.