Scenario-based performance analysis of routing protocols for mobile ad-hoc networks
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
On the impact of alternate path routing for load balancing in mobile ad hoc networks
MobiHoc '00 Proceedings of the 1st ACM international symposium on Mobile ad hoc networking & computing
MIPMANET: mobile IP for mobile ad hoc networks
MobiHoc '00 Proceedings of the 1st ACM international symposium on Mobile ad hoc networking & computing
Supporting Hierarchy and Heterogeneous Interfaces in Multi-Hop Wireless Ad Hoc Networks
ISPAN '99 Proceedings of the 1999 International Symposium on Parallel Architectures, Algorithms and Networks
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A gateway node in a WMN acts as bridge between mesh nodes and the external network in order to exchange information between the wireless mesh network operating in a disaster stricken area and remotely located rescue headquarters and government agencies. Using a single gateway, WMN creates huge congestion on the routes to the gateway, as all the data traffic may travel in the same direction using longer routes to access the gateway node, causing channel contention between nodes that operate within carrier sensing range of each other. Therefore a multiple gateway environment is crucial during WMN application in emergency and disaster recovery. This paper presents the design and implementation of a Load-Balanced Gateway Discovery routing protocol called LBGD-AODV, which provides multiple gateway support in Wireless Mesh Network. LBGD-AODV is designed as an extension to the Ad hoc On-Demand Distance Vector (AODV) routing protocol and uses a periodic gateway advertisement scheme equipped with an efficient algorithm to avoid congestion by establishing load-balanced routes to the gateway nodes for Internet traffic. The evaluation tests show that the LBGD-AODV has not compromised the efficiency of basic AODV routing and has improved the performance of the network.