Towards a Confidence-based Routing Algorithm in Delay Tolerant Network
نویسندگان
چکیده
High latency, low data rate and intermittent network connectivity make Delay Tolerant Network (DTN) cannot copy routing protocols in traditional network. Because of node mobility, node cache limitations and energy, it is very difficult to select relay nodes. The paper proposed a Confidence Based Routing Algorithm (CBRA) that uses factor combination of message forward successful rate, contact rate and free buffer rate so as to make routing decision and selection for better relay node. It can effectively avoid too much network knowledge or too many copies to achieve higher successful rate as other routing protocols. Simulation experiment results on ONE compared with Direct Contact, Epidemic Routing, Two-Hop Relay and PROPHET algorithm show that CBRA has advantages that small redundant, low buffer occupancy rate and low energy consumption. Copyright © 2013 IFSA.
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تاریخ انتشار 2013