Patent ID: 9572041
Date: 2017-02-14
CPC Classifications: H04L,H04W

Claim:
1. A method of routing data from a mobile device operating on roaming network to a destination network having an access point name (“APN”) and a corresponding destination network fully qualified domain name (“FQDN”), the method comprising: providing a home network that has a domain name server (“DNS”), the DNS operative to resolve the destination network FQDN to an IP address of a home Gateway GPRS Support Node (“GGSN”) that provides access to the destination network; providing a DNS in the roaming network, the DNS on the roaming network operative to maintain routing tables that are distinct from those used by the DNS on the home network; providing a DNS entry in the DNS in the roaming network, the DNS entry operative to resolve the FQDN of the destination network to the IP address of a local GGSN on the roaming network, the local GGSN not being the home GGSN; receiving a communication from a mobile device operating in the roaming network that requests a connection to the destination network identified with the destination network FQDN; and connecting the mobile device to the local GGSN indicated in the DNS entry in the local network for routing communications to the destination network.