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计算机系统应用英文版:2015,24(2):229-234

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WSN应用层协议MQTT-SN与CoAP的剖析与改进

陈旖, 张美平, 许力

(福建师范大学福建省网络安全与密码技术重点实验室, 福州 350007)

Analysis and Improvement of WSN Application Layer Protocol MQTT-SN and CoAP

CHEN Yi, ZHANG Mei-Ping, XU Li

(Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou 350007, China)

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Received:May 11, 2014 Revised:July 04, 2014

中文摘要: 针对WSN网络通讯中急需适合其特点的应用层通讯协议的问题, 剖析了两种主流的WSN应用层通讯协议并做出改进. 通过剖析应用层通讯协议MQTT-SN与CoAP的设计理念与工作机制, 展示了协议性能与适用的场景的差异. 借助CoAP的优点进一步提出了MQTT-SN的改进方案, 使之适合于点对点通讯与大块数据传输的情况.

中文关键词: WSN网络 MQTT-SN协议 CoAP协议订阅/发布模型

Abstract:For the problem that WSN needs a suitable application layer communication protocol, this paper analyzes two kinds of mainstream WSN application layer communication protocols MQTT-SN and CoAP and gives the corresponding improvement schemes. By analyzing the design concept and working mechanism of these two application layer communication protocol, this paper shows the protocol performance and the differences among applicable scenarios. Using the CoAP advantages, we further improve the MQTT-SN scheme to make it is suitable for the P2P communication and the blockwise data transmission.

keywords: WSN MQTT-SN CoAP subscribe/publish model

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基金项目:福建省教育厅科技项目(JK2011010);福建省自然科学基金(2013J01222);福建省2013年战略性新兴产业技术开发项目(闽发改高技[2013] 266号)

Author Name	Affiliation
CHEN Yi	Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou 350007, China
ZHANG Mei-Ping	Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou 350007, China
XU Li	Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou 350007, China

Author Name	Affiliation
CHEN Yi	Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou 350007, China
ZHANG Mei-Ping	Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou 350007, China
XU Li	Fujian Provincial Key Laboratory of Network Security and Cryptology, Fujian Normal University, Fuzhou 350007, China

引用文本：
陈旖,张美平,许力.WSN应用层协议MQTT-SN与CoAP的剖析与改进.计算机系统应用,2015,24(2):229-234
CHEN Yi,ZHANG Mei-Ping,XU Li.Analysis and Improvement of WSN Application Layer Protocol MQTT-SN and CoAP.COMPUTER SYSTEMS APPLICATIONS,2015,24(2):229-234