Patent ID: 7379443
Filing Date: 2008-05-27
Classification: H04L,H04W

Abstract:
1. In a wireless ad hoc network comprising a plurality of nodes with each node belonging to at least one of a plurality of virtual local area networks (VLANs) comprising the wireless ad hoc network and with each node further belonging to a same default VLAN, a method comprising the steps of: determining that a source node and a destination node belong to a same first VLAN of the plurality of VLANs that is different from the default VLAN; and identifying the first VLAN in information and routing the information to the destination node through a path in the ad hoc network using only nodes that belong to the first VLAN, if the path is available; and if the path is not available to route the information between the source node and the destination node using only nodes that belong to the first VLAN, using the default VLAN to route the information at least partially through the ad hoc network, wherein the step of using the default VLAN is performed by a node that does not have a neighboring node that belongs to the first VLAN.