AODV-MR (on-demand routing protocol with multi-radio extension) has been designed to support multi-radio interfaces; it uses more than one interface of the same mesh router or gateways for broadcasting duplicated control packets (i.e., RREQ, RRER, and HELLO message) or to rebroadcast it. We have modified AODV-MR, by allocating one interface in a dynamic manner for sending routing/control packets or data packets. This allocation of interfaces is based on type of mesh routers and traffic direction. The efficiency and effectiveness of the modification work have been evaluated compared with AODV-MR in terms of packet delivery ratio, routing packet overhead, end to end delay, and throughput. 1. Introduction The wireless mesh networks are considered as a new attractive communication paradigm to provide IP connectivity, extending high-speed IP connectivity to the “last mile.” It is still an ongoing problem of research area. Wireless mesh networks have several unique features like low cost, ease for rapid deployment, self-configuration, and self-healing. These characteristics encourage the use of wireless mesh network effectively. Wireless mesh networks can provide better and guaranteed QoS requirements in wide platform of application scenarios, such as disaster recovery, wireless broadband internet access, and intelligent transportation systems, and also in consumer demands for real-time services like video and audio services. Though several technologies have evolved for next generation communication, wireless mesh network has been gaining a significant attention of the researchers. Wireless mesh network can be extended for the connectivity, while the other access technology is unable to do this. The deployment of wireless mesh network is easy and cheap. There are three methods to classify the architecture of wireless mesh network: infrastructural backbone wireless mesh network, client wireless mesh network, and hybrid wireless mesh network [1] The proposed work focuses on hybrid mesh network, and our modification work considers architecture as shown in Figure 1, such that gateway routers are used for accessing the Internet or external network. The mesh routers have been divided into two parts, that is, backbone mesh routers and border mesh routers (BMR). The backbone mesh routers are representing the backbone of network. It is maintaining connectivity between mesh gateway and border mesh routers. It does not have a direct communication with mesh clients. Border Mesh Routers are used to forward traffic between backbone mesh routers and mesh clients. Figure 1:
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