You can use IPV6 to access all websites in your dormitory, including Twitter and Facebook. The disadvantage is that it is slow, but it is still very fast to build an IPV6 network abroad. It is said that the IPV6 main server is abroad, and without this server, there would be no fence network in China. You can also use virtual ADSL to charge, 60 minutes an hour, calculated by seconds, you can't get on the wall network, you can open it when you go to the campus self-service machine, and the network speed is very fast. But generally speaking, it is good for Shu Hua or Ying Zhong to have their own electronic reading rooms.

If external network is emphasized, IPV6 is recommended.