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Route Guardian: Constructing Secure Routing Paths in Software-Defined Networking 被引量:2
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作者 Mengmeng Wang Jianwei Liu +3 位作者 Jian Mao Haosu Cheng Jie Chen Chan Qi 《Tsinghua Science and Technology》 SCIE EI CAS CSCD 2017年第4期400-412,共13页
Software-Defined Networking(SDN) decouples the control plane and the data plane in network switches and routers, which enables the rapid innovation and optimization of routing and switching configurations. However,t... Software-Defined Networking(SDN) decouples the control plane and the data plane in network switches and routers, which enables the rapid innovation and optimization of routing and switching configurations. However,traditional routing mechanisms in SDN, based on the Dijkstra shortest path, do not take the capacity of nodes into account, which may lead to network congestion. Moreover, security resource utilization in SDN is inefficient and is not addressed by existing routing algorithms. In this paper, we propose Route Guardian, a reliable securityoriented SDN routing mechanism, which considers the capabilities of SDN switch nodes combined with a Network Security Virtualization framework. Our scheme employs the distributed network security devices effectively to ensure analysis of abnormal traffic and malicious node isolation. Furthermore, Route Guardian supports dynamic routing reconfiguration according to the latest network status. We prototyped Route Guardian and conducted theoretical analysis and performance evaluation. Our results demonstrate that this approach can effectively use the existing security devices and mechanisms in SDN. 展开更多
关键词 Software-Defined Networking(SDN) network security virtualization capacity-based routing security oriented routing dynamic routing reconfiguration
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