Patent ID: 7023847
Filing Date: 2006-04-04
Classification: H04L,H04W

Abstract:
1. A method for supporting a mobile host in a communication structure having a home agent, the mobile host being enabled to communicate with a Network Address Translation (NAT) server, the method comprising the steps of: translating, by the home agent data in a packet for the mobile host comprising an address and a port on the mobile host into a global address and a port used on the NAT server, respectively; and sending the packet from the home agent for modification so that the packet can be routed to the mobile host, wherein the packet is compatible with the NAT server transmitting a request, from the home agent, to create a mapping that includes a particular port on the mobile host, when the particular port on the mobile host is not specified in any mappings at the home agent; and receiving information corresponding to the mapping which is used in said translating step.