Methods of Deploying IPv6
Dual IP layer–a node that is running both the IPv4 and IPv6 TCP/IP protocol stacks.
IPv6 over IPv4 Tunnel–the process of taking an IPv6 datagram and wrapping an IPv4 header on it for transit across IPv4 routers.
- Configured Tunnel–IPv4 tunnel endpoint address is determined by the encapsulating node
- Automatic Tunnel–IPv4 tunnel endpoint is determined from the IPv4 address of the IPv6 packet