移动IPv6作为下一代互联网IPv6的最要组成部分,其移动节点处于开放的无线环境,会经常发生跨管理域移动(漫游)。当移动节点漫游到外地管理域需要使用外地网络资源时,外地网络则首先需要对其进行认证、授权和计帐等基本操作,把移动IP技术和AAA技术相融合是解决这些问题的方案。该文就基于移动IPv6在AAA技术中如何对跨域移动节点身份认证的三种解决方案进行综述性分析。 As the most important part of IPv6 in the next generation of Internet, Mobile IPv6 is mobile in an open wireless environment and will often move (roaming) across administrative domains. When a mobile node roams to a foreign management domain and needs to use a foreign network resource, the foreign network first needs to perform basic operations such as authentication, authorization and accounting. Combining the mobile IP technology and the AAA technology is a solution to these problems. This article reviews the three solutions to cross-domain mobile node authentication based on mobile IPv6 in AAA technology.