This article detail the localization of IPv4 and the primary characteristic of IPv6,alse process the analysis research to the DNS system construction under IPv4 and IPv6 and the demand to DNS of new characteristic of interim from IPv4 to IPv6.

• 通过对 IPv4的局限及 IPv6的主要特性的详细阐述 ,就 IPv4及 IPv6下 DNS体系结构及 IPv4到IPv6过渡中新特征对域名系统 (DNS)需求等方面进行了分析研究