understanding Multicast and IPV6

recently, in quick search from internet, i found some resources that would be helpfull to understand term multicast and IPV6.

MUlticast
http://id.wikipedia.org/wiki/Multicast
http://lecturer.eepis-its.edu/~amang/pdf/IP_multicast.ppt
http://onno.vlsm.org/v11/ref-ind-1/network/manajemen-trafik-ip-multicast...
http://www.bogor.net/idkf/idkf-2/penggabungan-ip-multicast-dan-rsvp-12-2...

IPV6
http://id.wikipedia.org/wiki/Alamat_IP_versi_6
http://ipv6.wordpress.com/
http://belajaripv6.wordpress.com/
http://redknow.wordpress.com/2008/01/15/ip-versi-6/

hope it help us to understand this stuff