Abstract
The hybrid MANET - DTN is a mobile network that enables transport of the data between groups of the disconnected mobile nodes. The network provides benefits of the Mobile Ad-Hoc Networks (MANET) and Delay Tolerant Network (DTN). The main problem of the MANET occurs if the communication path is broken or disconnected for some short time period. On the other side, DTN allows sending data in the disconnected environment with respect to higher tolerance to delay. Hybrid MANET - DTN provides optimal solution for emergency situation in order to transport information. Moreover, the security is the critical factor because the data are transported by mobile devices. In this paper, we investigate the issue of secure candidate node selection for transportation of the data in a disconnected environment for hybrid MANET- DTN. To achieve the secure selection of the reliable mobile nodes, the trust algorithm is introduced. The algorithm enables select reliable nodes based on collecting routing information. This algorithm is implemented to the simulator OPNET modeler.
Highlights
Coverage area Delay tolerant network (DTN)Mobile ad-hoc network (MANET) is characterized by multi hop communication between mobile nodes by wireless links [1]
In order to check the functionality of the DTN network, we have implemented a PRoPHET forwarding mechanism to the simulator OPNET modeler [12]
We proposed the trust algorithm for selection of the best candidate node in the hybrid MANET-DTN
Summary
Mobile ad-hoc network (MANET) is characterized by multi hop communication between mobile nodes by wireless links [1]. The mobile nodes forward data and store data in the cache for a long time. The selection of forwarding candidate node is the first key issue. Direct trust calculation - mobile nodes have implemented mechanisms for computing its own value of the trust on its neighbours. Indirect trust calculation - the trust is computed based on the recommendation of the neighbour mobile nodes. Trust calculation based on the recommendation from node U3. In this article the trust based candidate node selection algorithm is introduced. This mechanism enables the selection of the secure mobile node used for transportation of the data across the disconnected environment. Selected candidate nodes provide the secure mobile node selected to transport of the data. If the mobile node finds connection the DTN forwarding mechanism is activated
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