Patent ID: 6977938
Filing Date: 2005-12-20
Classification: H04L,H04W

Abstract:
1. A mobile ad hoc network comprising a plurality of nodes including at least one first mobile node and a second node, the at least one first mobile node having a home address and using the home address for communicating with the Internet, the second node acting as a gateway communicating information between the first mobile node and the Internet, wherein IP routing is used, and at least one of the nodes in the mobile ad hoc network comprises means for incorporating default routes and network routes using either tunnelling or proxying, for sending information from the at least one first mobile node to the Internet; wherein communication using the gateway is initiated by said first mobile node sending a route request, and said second node, that is acting as a gateway, performing the following steps: wherein in the case where a node initiates a route discovering procedure to another node in the network, the network having at least one route to the destination involving a gateway and at least one direct route to the destination; and that nodes intermediate between the node initiating the discovering procedure and the destination node replace an incorrect proxy route with either a better proxy route, if such a route is available, or with a direct route, and will send a, route error message to intermediate nodes using the incorrect proxy route.