Our network is the Internet, and once it is shut down, is there a spare tire ?

Yes

Even if the United States shuts down our DNS service and disconnects our country from the Internet, it will not have much impact, after all, our access is mainly domestic.

DNS nameservers have a tree-like structure, with 13 root nameservers in the world, and the only one primary root server is located in the United States, so theoretically, the United States can cut off the network of any country through the primary root server. First of all, let's talk about exchanges between provinces or cities. If we want to exchange information, we need to have an IP address, just like a person wants a place to live, although the place may have to move out at any time, there will be an address at a moment.

But who assigned us this address? It is Telecom, Mobile, Unicom these telecom operators, they assigned an address to us, this address can be shared by many people, just like the household register, which can be attached to many people The same reason, we can get this address to write to people at other addresses, of course, we also have to have the address of other students in the province or the same city before they can receive the letter, otherwise I don't know where to send it.

China has long deployed mirrored root servers and has its own independent network foundation. On December 14, 2006, a signing ceremony was held in Beijing with VeriSign of the United States to officially open the China mirror server for the Internet root domain name. And the Chinese mirror server solves the problem of Chinese netizens' access.

com 、.net**, the domain name resolution must be provided by a name server located outside China.

At present, the network we use is indeed the Internet, if there are users in the country who want to access the Internet network, this network is the Internet established by the United States in the last century, and later opened to all countries in the world for paid use, also known as the Internet, and the United States also has the highest authority over the Internet, it can be said that there is no difficulty in technically or theoretically shutting down the Internet in a certain country.

So we can first understand that if we want to access **, then we must analyze the domain name in NDS, that is to say, when we visit the domain name, we need to convert the domain name into an IP address, so that we can access **. At present, there are only 13 root name servers in the world, and these 13 servers are basically in the hands of the United States, the United States has 1 primary root server, and the rest are distributed all over the world, so the United States can still cut off the network to a certain country.

China has also made a spare tire plan for the use of the Internet in the United States, in 2006, the Chinese mirror server of the Internet domain name has been opened in China, that is to say, the mirror server developed in China can solve our domestic users to access their own domain names, but the only impact may be that foreign users are not able to access the domestic **.

There is also an important spare tire plan is IPv6, in the development of foreign Internet at the same time, we are also vigorously developing their own Internet network, in the latest IPv6 popularization, so that we have a very big confidence in dealing with the monopoly of foreign Internet.

Finally, the network we are using now is indeed the Internet of the United States, and it is not practical to say that the United States wants to cut off the Internet in China, on the one hand, the relationship between the two countries has not yet reached this level, and on the other hand, we also have our own backup network, such as mirror servers and IPv6 plans, so we do not need to be too nervous.

This is a must-have because if something goes wrong with the Internet, it can affect a lot of things.

I think there should be, after all, technology is so advanced now, it is impossible to have only one network.

Yes, but I think it's very unlikely to be shut down, and people are used to the Internet now.

In fact, there is no spare tire for this, we only have this one choice.

Now this Internet is no secret, even if it is shut down and soon there will be new ones.

There must be, but if something suddenly happens, it will have a big impact.

There is no substitute for the Internet that we are using.

There should be, because the Internet is really too developed now.

I think there must be, there must be some way to deal with it.

I think there should be, after all, our technology is so advanced now.

I don't think there's a spare tire yet, so the Internet can't be turned off yet.

Basically, it is in the hands of the United States, which has 1 primary root server, and the rest are distributed all over the world, so the United States can still cut off the network to a certain country.

This is where the function is used to the domain name resolution server, called DNS.

The vast majority of the world's root nameservers are located in the United States, which is the main reason why the United States can contain China's Internet (including one primary root server and nine secondary root servers).

Basically, domestic users rarely have the habit of visiting foreign countries**, and local applications can fully meet all needs.

servers, and these 13 servers, are basically in the hands of the United States, the United States has 1 primary root server, and the rest are distributed all over the world, so the United States.

The popularization of IPv6 in the latest has made us have a very large confidence in dealing with the monopoly of foreign Internet.

The packaging and instructions of the regular new machine are beautifully printed, and Nokia's high-end models are mostly coated paper printing, and fake serial labels can be bought for a few dollars.

We have a very strong confidence in dealing with foreign Internet monopolies.

Foreign** habits, local applications can fully meet all needs.