OSPF for wireless mesh backbone network

Wireless mesh network (WMN) is popular for providing decentralized and relatively inexpensive Internet access, especially in Community network and geographically challenged areas of deployment. In this thesis, we proposed using OSPF as the underlying routing protocol in the Wireless Mesh Backbone (WMB) network. We investigated the convergence and configuration issues of OSPF in WMB network. We evaluated the performance of OSPF and compared with AODV (reactive ad hoc protocol) and OLSR (proactive ad hoc protocol). We proposed using multiple subinterfaces under a single physical wireless interface in configuring multiple subnets to deal with the hidden nodes problem in WMB networks. We also proposed using the BGP protocol to interconnect multiple OSPF areas for the sub-urban topology. The performance of this approach in terms of convergence time was studied.