A Simple DDoS Defense Method Based SDN

Chen Runze, Ruan Fangming, Li Yidan, Yin Lan, Chen Yanli
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引用次数: 3

Abstract

DDoS attacks have been one of the major threats to the Internet since their emergence. With the rapid development of the Internet, the number of network users is increasing rapidly. Thus, the existing network based on TCP\IP protocol is increasingly complex and rigid; it is difficult to add new functions, which greatly restricts the development of network technology. The emergence of SDN provides a feasible solution to the severe problems faced by the existing network. At the same time, it also provides a new technology to solve the problem of DDoS attack in the traditional network. In this paper, a simple SDN architecture was built on the network simulation platform of Mininet. The host launched ping flood attack, and the controller was used to control the delivery flow meter to suppress DDoS attack traffic, which achieved a good defense effect. Keywords–Network security; DDoS attack; Software defined network; The controller
一种基于SDN的简单DDoS防御方法
DDoS攻击自出现以来一直是互联网面临的主要威胁之一。随着互联网的快速发展,网络用户的数量正在迅速增加。因此,现有的基于TCP / IP协议的网络越来越复杂和僵化;新功能难以添加,极大地制约了网络技术的发展。SDN的出现为现有网络面临的严峻问题提供了一种可行的解决方案。同时,也为解决传统网络中的DDoS攻击问题提供了一种新的技术。本文在Mininet网络仿真平台上构建了一个简单的SDN体系结构。主机发起ping flood攻击,通过控制器控制下发流量计抑制DDoS攻击流量,取得了良好的防御效果。Keywords-Network安全;DDoS攻击;软件定义网络;控制器
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