4over6

4over6 是一项 IPv6 过渡技术。它旨在允许互联网服务供应商通过仅支持 IPv6 的基础设施，为用户提供 IPv4 互联网访问能力。

目前该技术存在两个版本：公共 4over6（Public 4over6，已部署但不建议用于新项目中），^[1]以及 轻量级 4over6（Lightweight 4over6，即双栈精简版架构的扩展）。^[2]

参考

^ Cui, Yong; Wu, Jianping; Wu, Peng; Vautrin, Olivier; Lee, Yiu. Public IPv4-over-IPv6 Access Network. Internet Engineering Task Force. 2013-11 [2023-07-02]. （原始内容存档于2023-06-04）.
^ Cui, Yong; Sun, Qiong; Boucadair, Mohamed; ZOU), Tina Tsou (Ting; Lee, Yiu; Farrer, Ian. Lightweight 4over6: An Extension to the Dual-Stack Lite Architecture. Internet Engineering Task Force. 2015-07 [2023-07-02]. （原始内容存档于2023-01-31）.

Lightweight 4over6 Efforts Debuted at IETF 85: An IPv4 Service Continuity Solution for Smooth IPv6 Transition
Liu, L.; Cui, Y.; Sun, J.; Sun, Q. The research of 4over6 transition system deployment for IPv6 backbone. 2012-12-01: 912–915. ISBN 978-1-4673-2964-4. S2CID 33957011. doi:10.1109/ICCSNT.2012.6526075. |journal=被忽略 (帮助)
Cui, Y.; Wu, P.; Xu, M.; Wu, J.; Lee, Y. L.; Durand, A.; Metz, C. 4over6: network layer virtualization for IPv4-IPv6 coexistence. IEEE Network. 2012-09-01, 26 (5): 44–48. ISSN 0890-8044. S2CID 15853857. doi:10.1109/MNET.2012.6308074.
"Comparison of IPv4-over-IPv6 (4over6) and Dual Stack Technologies in Dynamic Configuration for IPv4/IPv6 Address" in Lu, Ta Te; Wu, Cheng Yen; Lin, Wen Yen; Chen, Hsin Pei; Hsueh, Kuang Po. Pan, Jeng-Shyang; Tsai, Pei-Wei; Huang, Hsiang-Cheh , 编. Advances in Intelligent Information Hiding and Multimedia Signal Processing. Smart Innovation, Systems and Technologies. Springer International Publishing. 2017-01-01: 259–269. ISBN 9783319502083. doi:10.1007/978-3-319-50209-0_32 （英语）.