TCP has SYN flooding, IPv6 has Type 0 DoS

http://www.securityfocus.com/news/11463?ref=rss
http://www.cisco.com/warp/public/707...IOS-IPv6.shtml
http://www.secdev.org/conf/IPv6_RH_security-csw07.pdf

While source routing existed in ipv4, ipv6 amps it up many times over and can be used for extremely simple DoS.