Patent ID: 7209978
Filing Date: 2007-04-24
Classification: H04L,H04W,Y10S

Abstract:
1. A method in a mobile router of a mobile network, the method including: receiving a packet having a source address field with a source address value specifying a source of the packet, a destination address field with a destination address value specifying a home agent for an originating mobile router, and a reverse routing header configured for storing addresses, the reverse routing header having at least a first entry that specifies a care of address for the originating mobile router; selectively updating the reverse routing header by inserting the source address value into a detected empty entry field of the reverse routing header, based on a determined absence of a routing table entry that specifies reachability of an identified entry within the reverse routing header via the source address value; and outputting the packet to an identified router, including inserting a care of address for the mobile router into the source address field.