A cluster-based QoS multipath routing protocol for large-scale MANET

To support oS routing in MANET (Mobile Ad hoe Networks) is a core issue in the research of MANET. Numerous studies have shown the difficulty for provision of Quality-of-Service (QoS) guarantee in Mobile Ad hoc networks. This paper proposes a scheme refer to a cluster-based QoS multipath routing protocol (CQMRP) that provides QoS-sensitive routes in a scalable and flexible way in mobile Ad Hoc networks. In the strategy, each local node just only maintain local routing information of other clusters instead of any global ad hoc network states information. It supports multiple QoS constraints. We evaluated the performance of the protocol using the OPNET simulator, the result shows that this protocol can provide an available approach to QoS multipath routing for mobile Ad Hoc networks.