Patent ID: 7573890
Filing Date: 2009-08-11
Classification: C07C,C07D,H04L,H04W

Abstract:
1. A Network Address Translation router (NAT) for a network which identifies the NAT with a unique global address of the network and has at least one Host having a service area in which the host can communicate data to Mobile Nodes (MNs), each MN identified with a default binding comprising a local address of a home host within a home network and a global address of the home network, the NAT comprising: a Mobile-Home Database (MHD) configured to store current binding information for MNs in data records reflecting a local address, a global address and a home or an away indication; the MHD being configured to store such data records for MNs that have a current binding with a Host within the NAT's network that reflect the local address of the MN's current Host, the global address of the NAT's network and a home indication; and the MHD being configured to store such data records for MNs that have their home host's within the NAT's network and that have a current binding with a Host not within the NAT's network that reflect the local address of the MN's current Host, a global address of a network associated with the MN's current Host and an away indication.