The December 2006 TechNet Cable Guy article, "IPv6 over Point-to-Point Protocol Links," describes how IPv6 packets are sent over Point-to-Point Protocol (PPP) links and how PPP peers use the IPv6 Control Protocol (IPV6CP) to configure IPv6 options during the PPP connection negotiation.
http://www.microsoft.com/technet/community/columns/cableguy/cg1206.mspxFor a list of previous The Cable Guy articles, see
http://www.microsoft.com/technet/community/columns/cableguy/cgarch.mspx.