作者：Yali; Wang; Yang; Zhang; Junliang; Che...lotparadigmqosguaranteesoftwaredefinednetworking
摘要：Publish/subscribe paradigm paves away to integrate and serve many scalable, in-ter-operable Internet of Things （loT） applica-tions. The increasing IoT applications requirenew properties of publish/subscribe commu-nication model, for example, strict quality ofservice （QoS） guarantees, supporting a largenumber of widely distributed devices, etc.Software Defined Networking （SDN） enablespersonalized programming and individualizedQoS supports for different applications. Thecombination of the two will have a good pros-pect. In this paper, we present an loT-orientedcommunication platform which combinesthe publish/subscribe paradigm with SDN,aiming at establishing an loT ecosystem tofacilitate loT services/applications accessinginternet. We design the interaction logic oftopic-based publish/subscribe middleware,and describe the setup and maintenance of to-pology information as well as event routing indetail, considering the characteristics of SDN.Finally, we exemplify its practicability with adeployed District Heating Control and Infor-mation Service System （DHCISS） and validitythe effectiveness with some experiments.
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