Patent ID: 8891506
Filing Date: 2014-11-18
Classification: H04L,H04W

Abstract:
1. Apparatus for providing a gateway between a local area network and a wide area network, comprising: a network address translation (NAT) module embodied in hardware, wherein the NAT module is configured to provide network address translation for the gateway; a foreign agent module embodied in hardware for advertising a care-of address on the local area network and processing registration and mobile internet protocol (IP) communication traffic on the local area network and the wide area network; and a control module embodied in hardware for identifying the registration and the mobile IP communication traffic to omit processing thereof by the network address translation module, thereby omitting network address translation by the network address translation module for the registration and mobile IP communication traffic, and processing the registration and the mobile IP communication traffic by the foreign agent module, wherein the control module comprises a filter module embodied in hardware configured to filter traffic from the local area network and the wide area network to provide the registration and the mobile IP communication traffic to the foreign agent module and to provide remaining traffic to the network address translation module.