http://www.rfc-editor.org/rfc/rfc5908.txt
RFC 5908: Network Time Protocol (NTP) Server Option for DHCPv6, R. Gayraud, B. Lourdelet2010-06-01T23:00:00-00:00The NTP Server Option for Dynamic Host Configuration Protocol for IPv6 (DHCPv6) provides NTPv4 (Network Time Protocol version 4) server location information to DHCPv6 hosts. [STANDARDS-TRACK]