[Play Raiders] box set DNS, see the high-definition card analysis

Often see the DNS changed to 8.8.8.8, then said the speed of the Internet to analyze the pros and cons and specific reasons for everyone, we can see oh

Lee:
1. The rookie looks this way: It's so cool, it's Google's DNS;
2. Will not be hijacked by the ISP's DNS, and the mood will not be destroyed by the ISP;
3. More accessible web pages than ISP's DNS;

Cons:
1. The old bird looked this way: I didn't expect this man to be so stupid, and now he uses 8888. His suggestions can't be heard later;
2. Tolerate network turtle speed, the result of 8888 analysis often leads the user to a slower website;

analysis:
Large and medium-sized websites currently use CDN for content distribution to ensure that users can improve access speeds by accessing them nearby. The same content such as taobao webpage, Shenzhen broadband users visit the server of taobao in Guangdong, Beijing broadband users visit the server of taobao in Beijing. How does the CDN access it? The key is the DNS you use. The DNS Internet company you use is where you basically think you are the broadband user in that place. If you have wrong DNS, such as Shenzhen broadband users fill the DNS into Beijing's DNS, then whether you visit taobao, sina you are led to Beijing, the speed is naturally much slower. So, DNS is a traffic hauler and must be chosen appropriately. Speaking of this, understand the disadvantages of using 8888 in the country? You fill in the DNS 8888, Internet companies think you are a foreign user, you can not pick the nearest server for you, just give you a good one on the line, your speed is naturally much slower. If you cannot tolerate ISP DNS hijacking and want to visit some web pages that cannot be accessed using ISP's DNS, you can use 114.114.114.114. It has dozens of points in China and can guide you to the nearest website without 8.8.8.8 The drawbacks.

comment:
The price of showing off 8888 is that the speed of the Internet has dropped drastically, and 8888 harms people in China!

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