In combination with the deployment experiment of IPv6 transition technology in China, it presents the issues on DS-Lite transi-tion technology in the deployment, such as which is better in distribution mode and concentration mode, whether there is a method which can combine the merits of the two modes.% 结合IPv6过渡技术在国内的实际部署经验，重点介绍轻型双栈（DS-Lite）过渡技术在实际部署中的问题，如分布式与集中式究竟谁优谁劣，是否有一种方法能结合两者的优势。
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