If any of you is interested in the intricacies of IPv6 Neighbor Discovery (ND) I briefly referred to in the course of my series on DHCPv6, I recommend reading section 5.2 “The Host, the Link, and the Subnet in IPv6” of Yar Tikhiy’s excellent ebook “IPv6 for IPv4 Experts”. It can be found here.
Best
Enno
Enno Rey