China's Internet access to developed countries for 20 years is a latecomer to the industry, but the consumer market is huge, which is very conducive to the development of the Internet. IPv6 really wants to come. This is an opportunity for China. China is the country with the largest number of Internet users in the world, but only 0.45 IPv4 addresses per capita. In the IPv4 environment, the Internet addresses of users in China need to be dynamically allocated. There is no fixed correspondence between addresses, and it is difficult for users to trace the source, which brings Internet security and regulatory hazards. Moreover, the number of Internet users in China is still increasing, but now the world's IPv4 address has been divided, China can not get a new IPv4 address, so IPv6 address is the most needed for China.
Recently, the State Council of China has issued the Action Plan for Promoting the Scale Deployment of the Internet Protocol Version 6 (IPv6) to accelerate the deployment of IPv6-based next-generation Internet. The plan is to reach 200 million active IPv6 users by the end of 2018, 2020. At the end of the year, it reached 500 million. By the end of 2025, China's IPv6 scale should reach the top in the world.
Alibaba Cloud announced that in order to establish a next-generation Internet independent technology system and industrial ecology, and further realize the deep integration of the next generation Internet in various fields of economy and society, Alibaba Cloud will provide IPv6 services.
It is understood that the support and evolution of IPv6 is a systematic project involving a wide range and high complexity. Alibaba Cloud will first support IPv6 services on public network access related products such as load balancing SLB and flexible public IP (EIP) products.
The TCP/IP protocol is the cornerstone of the development of the Internet, where IP is a network layer protocol that regulates the exchange and routing of packet information in the Internet. Currently, the IPv4 protocol address length is 32 bits, and a total of about 4.3 billion IPv4 addresses have been allocated.
IPv6 is the sixth version of the IP address protocol, born in 1999. Its biggest advantage is that the design address length is 128bit, and it can provide 2 128-bit IP addresses. Even if all the sand on the earth is turned into a transistor, it will still There are enough IP addresses for the electronic device to use.
Nearly infinite IP addresses allow IPv6 to accommodate a large number of devices, which will support the rapid development of emerging formats such as mobile Internet, Internet of Things, industrial Internet, cloud computing, big data, and artificial intelligence along with technologies such as 5G.
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