Load-balance of intra/inter-MANET traffic over multiple internet gateways

The paper first gives an overview of the required functions for providing Internet connectivity and mobility management for mobile ad-hoc networks (MANETs). Internet gateway selection is one of these functions. Since multiple Internet gateways might exist on the same MANET domain, a hybrid metric for Internet gateway selection is proposed as a replacement of the shortest hop-count metric. The hybrid metric provides load-balancing of intra/inter-MANET traffic. Simulation results show that ad-hoc routing protocols, using our proposed metric get better performance in terms of packet delivery ratio and transmission delay, at the cost of slightly increased signalling overhead.

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