The security of route optimization is a hot issue in MIPv6. Based on the description of the threats of route optimization and the analysis of the current protocols, an ID-based fast security route optimization is proposed. It can resist the redirection attacks, man-in-the-middle attacks and DoS. It u-ses the symmetric encryption to generate the binding update authentication code, and improves the route optimization efficiency.%路由优化中的安全问题是MIPv6研究的热点.本文阐述了MIPv6路由优化过程中的安全威胁,分析了现有的MIPv6安全路由优化方法,提出了基于身份的MIPv6快速安全路由优化.通过分析比较,基于身份的MIPv6快速安全路由优化能够抵御重定向攻击、中间人攻击和拒绝服务攻击,并用对称加密机制生成绑定更新认证码,提高路由优化速度.
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