3 结论
从本体角度出发建立了HDDoS的概念化模型,总结了HDDoS防御研究所涉及的各个方面。提出一种基于离群数据挖掘的HDDoS防御策略,通过实验证明了该方法的有效性。
实验表明,ODM方法可保障遭受大流量DDoS攻击的系统除受攻击服务外正常运行;可逐渐恢复受攻击服务的运行;ODM方法运用离群数据挖掘算法很好地解决了过滤产生的间接伤害难以恢复的问题。
作者简介:王冬琦(1982—),男,博士,东北大学信息学院计算机系统结构研究所,研究方向:信息网络安全;郭剑锋,男,硕士,总工程师,辽宁省信息安全与软件测评认证中心,研究方向:信息网络安全管理;常桂然,男,教授,博士导师,东北大学信息学院计算机系统结构研究所,研究方向:网络与协同计算技术,网络信息安全技术,分布式多媒体系统。
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