Abstract: With the proposal of New Infrastructure, information infrastructures such as 5G, Cloud Computing, Internet of Things, Industrial Internet of Things have put forward higher requirements for accelerating the scale deployment of IPv6. How to combine the actual network situation in China to make the IPv6 network more easy to use has become a new topic. This paper combs through the current situation of IPv6 development, discusses the actual network situation,analyzes the existing problems and challenges, and gives the corresponding development suggestions.

Key words: IPv6, scale deployment, quality of service