摘要
本文简单介绍了IPv6协议,并阐述了在现阶段IPv4与IPv6共存的情况下,IPv4向IPv6过渡的三种较为成熟的双协议栈技术、隧道技术和NAT-PT技术,最后概括了过渡策略的演进。
This paper introduces the IPv6 protocol in brief. It also introduces three technologies on IPv4/IPv6 interoperation: Dual Stack, Tunnel and NAT-PT and point out difference application, advantage and disadvantage for each kind of technologies. At last we sum up the transition mechanisms at different period.