Patent ID: 6396833
Filing Date: 2002-05-28
Classification: H04L

Abstract:
A method for routing a packet sent from a user in a system in which the user may be connected to multiple networks simultaneously, including:extracting a source address from the packet; finding a per-user routing table corresponding to said source address, said per-user routing table unique to the user and containing entries corresponding to one or more currently accessible networks for the user and the range of network addresses corresponding to said currently accessible networks; extracting a destination address from the packet; seeking an entry in said matching per-user routing table with a range of network addresses containing s aid destination address; routing the packet to a matching network if said destination address is contained within one of said ranges of network addresses for said currently accessible networks; and routing the packet to a default network if said destination address is not contained within one of said ranges of network addresses for said currently accessible networks.