东南大学学报（自然科学版）2017，Vol.47Issue(z1)：86-89,4.DOI:10.3969/j.issn.1001-0505.2017.S1.017
双栈环境下的DNS可靠性增强方法
DNS reliability enhancement method in dual-stack campus network
摘要
Abstract
By analyzing the reliability problem and its causes at both the domain name system(DNS) server side and the user side,a DNS reliability enhancement method in IPv4/IPv6 dual-stack campus network is proposed.Based on the dual-stack characteristics,IPv6 address auto-configuration mecha-nisms are utilized to automatically add DNSv6 servers to the user side, improving the reliability of DNS service by introducing DNS server redundancy.Empirical analysis is conducted to verify the ap-plicability of the method at both the DNS server side and client side.Experimental results show that the proposed method can use the newly added DNSv6 server for the name resolution when DNSv4 servers are out of service,thus enhancing the reliability of DNS service.The average DNS resolution time of the method is about 12%higher than that of campus network DNSv4 servers in the absence of cache,but it is about 33.6%lower than that of public open DNSv4 servers on the performance.关键词
域名系统/可靠性/双栈/自动配置Key words
domain name system(DNS)/reliability/dual-stack/auto-configuration分类
信息技术与安全科学引用本文复制引用
秦丰林,仇一泓,郭晓东..双栈环境下的DNS可靠性增强方法[J].东南大学学报（自然科学版）,2017,47(z1):86-89,4.基金项目
教育部中国移动科研基金资助项目(MCM20123021)、赛尔网络下一代互联网技术创新资助项目(NGII20150412). （MCM20123021）
