Mr. Hao Li Profile

Hao Li

at Shanghai Jiao Tong Univ

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Proceedings Article | 4 December 2020 Paper

Research on intelligent network control mechanism and protocol verification of spatial information network

Hao Li, Xiupu Lang, Lin Gui

Proceedings Volume 11617, 116172Y (2020) https://doi.org/10.1117/12.2585403

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With the increase of the number of satellite systems and the diversity of satellite loads, the satellite networks present obvious heterogeneity. The centralized management and control characteristics of SDN provide ideas for the unified management of satellite heterogeneous network resources, and the programmable control plane also provides the possibility of dynamic reconfiguration of satellite networks. It is necessary to explore a centralized network architecture based on SDN, so as to manage and control the satellites better. Moreover, an emulation platform has been designed with respect to verifying the feasibility of our network paradigm. Firstly, this paper analyzes the development status of satellite network management and control and the exploration of SDN in terms of satellite network management and control. Secondly, this paper points out some challenges in the application of SDN in satellite network management and control. Thirdly, this paper also proposes a SDN-based satellite network management and control architecture, and proposes a hardware emulation platform based on OpenFlow switches. Finally, this paper adopts a programming method to simulate the satellite network scenario, completes the load migration of burst traffic when the link utilization rate exceeds 80%, and proves the feasibility of using SDN to control the satellite network.

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