Patent ID: 7739394

Claim:
A method for routing data packets from a subscriber device, over a broadband access link, through a first internet protocol (IP) version 6 (IPv6) network to a second IP network, the first and second IP networks interfacing through a second IP network edge device, the method comprising: assigning a first IP address to the subscriber device, the first IP address being associated with the first IP network; assigning a second IP address to the subscriber device based on a request routed through the first IP network from the subscriber device, the second IP address being associated with the second IP network; forwarding a data packet addressed with both the first IP address and the second IP address, from the subscriber device, without using network address translation and without mapping the first IP address to the second IP address, wherein the first IP address is compliant with a first protocol implemented by the first IP network, and wherein the second IP address is compliant with a second protocol distinct from the first protocol implemented by the second IP network.