Patent ID: 8412207

Claim:
A method comprising: running an application on user equipment; using a mobility service functionality of the user equipment to receive packets through a home agent of a mobility service, the mobility service allowing the user equipment to change a point-of-attachment to the Internet without changing a source IP address, the mobility service functionality allowing transparent network connection to the application; responsive to a determination that the home agent of the mobility service has become unavailable, notifying the application of the need to change the source IP address and causing the application to inherit a destination network from the mobility service functionality and further inherit one of a group of accesses of the destination network to a packet switched network that was being used by the mobility service, and using a packet switched access of the destination network in a non-seamless mode, wherein non-seamless mode comprises closing and reopening at least one socket when the source IP address of the user equipment is changed; and re-using the mobility service functionality when the mobility service becomes available.