For the automatic allocation of addresses the IPv6 protocol implements a mechanism known as "Duplicate Address Detection"?... This mechanism allows the autoconfiguration process to be carried out in a more reliable manner.
Inverse resolution for IPv6 address is done in a new hierarchic named ipv6.arpa, using the same PTR registries as in IPv4. Previously, it was proposed to use the ip6.in structure, but currently this was substituted.
