Abstract
In this paper we present a new routing approach, Context-Aware Community Based Routing(CACBR) that exploits the social-based movement pattern and the context-awareness of nodes, for efficient message delivery in Delay Tolerant Network. The nodes having a common point of interest forms a dynamic community structure. We have identified node's attributes and formulated a utility function to determine their capability in delivering a message. We validated through simulation the effectiveness of attributes at estimation node's message delivery capability. We also compared our approach with dynamic social grouping(DSG) based routing approach and context-aware routing(CAR) on three metrics, message delivery ratio, total message traffic, average delay. It was found that the results of our approach outperforms the DSG and CAR on all the three metrics.
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