Design of data traffic optimization system for large-scale wireless sensor networks
CHEN Yi1,2, XU Li1,2, ZHANG Meiping1,2
1. School of Mathematics and Computer Science, Fujian Normal University, Fuzhou Fujian 350007, China;
2. Fujian Provincial Key Laboratory of Network Security and Cryptology (Fujian Normal University), Fuzhou Fujian 350007, China
Aiming at the problem that the data traffic rises with the increase of data visitors in large-scale Wireless Sensor Networks (WSN), a data traffic optimization WSN system framework was designed and implemented to build large-scale WSN and reduce the network data traffic. The IPv6 and IPv6 over Low Power Wireless Personal Area Network (6LoWPAN) technology were adopted to build large-scale WSN. To integrate the WSN and traditional Internet, the Message Queuing Telemetry Transport (MQTT) and Message Queuing Telemetry Transport for Sensor Network (MQTT-SN) protocols were deployed in application layer to build system publish/subscribe model. The experimental results show that, when system has 5 sensor nodes, compared with the Constrained Application Protocol (CoAP) based WSN system, the data traffic of the proposed system is 18% of the former. It proves that the proposed system framework can effectively control the impact caused by increasing visitors to WSN data traffic.
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DAI J, ZHU X. Design and implementation of an asynchronous message bus based on ActiveMQ[J]. Computer Systems and Applications,2010(8):254-257.(戴俊,朱晓民.基于ActiveMQ的异步消息总线的设计与实现[J].计算机系统应用,2010(8):254-257.)
BERGMANN O, HILLMANN K T, GERDES S. A CoAP-gateway for smart homes[C]// Proceedings of the 2012 International Conference on Computing, Networking and Communications. Piscataway: IEEE Press, 2012: 446-450.
2015, Vol. 35 
