It may take another five to ten years for IPv6 to completely replace IPv4

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On June 6, 2012, World IPv6 Launch, major technology companies and Internet associations launched a large-scale publicity campaign to promote the use of IPv6 to replace IPv4, whose address space has been exhausted. Eight years later, according to Google statistics, the global IPv6 penetration rate has exceeded 32%, and some countries have exceeded 40%, but China, the country with the largest number of Internet users, has a penetration rate of only 0.42%.

Experts believe it may take another five to ten years before the world begins to truly abandon IPv4. Mat Ford of the Internet Society said that IPv4 still works, and small operators and enterprises need to invest money to migrate to IPv6. Although the cost is not high, they have no motivation to upgrade their networks before the actual cost of maintaining the status quo becomes high.