Shulou(Shulou.com)06/03 Report--

Compared with other CDN service providers, the main advantages of CDN include stable and fast, cost-effective, easy to use, efficient and intelligent. More users will ask about the advantage of stability and speed. Generally speaking, CDN is characterized by sharing the pressure on the origin server, avoiding network congestion, accelerating the distribution of website content in different regions and different scenarios, and improving the speed of resource access. The following is to introduce the principle of CDN page acceleration service.

What is the principle of cdn page acceleration? CDN is a content distribution network, whose function is to publish website content to the edge node closest to users, so that netizens can get the content they need nearby, improve the response speed and success rate of website access, and protect the origin server at the same time. Solve the problem of high access delay caused by region, bandwidth, operator access and other problems, effectively help the site to improve the access speed.

CDN is a layer of intelligent virtual network based on the existing Internet by the major IDC service providers deploying computer rooms all over the country and placing node servers all over the network.

After users adopt the CDN scheme, their own website will have data in each deployed computer room, and can be updated and upgraded synchronously, so users will visit the website quickly no matter where they are. According to the comprehensive information such as the network traffic, the connection of each node, the load status, the distance to the user and the response time, the user's request is redirected to the nearest service node in real time.

For example, if the user rents or hosts the server in Zhengzhou, after using CDN technology. CDN technology can be used to distribute the data of Zhengzhou server to many other servers that deploy CDN technology, such as Wuhan. Well, when users in Wuhan visit the server, the data is on the Wuhan server they visit, and there is no need to call the data on the Zhengzhou server.

This shortens the user access time and increases the experience effect. The advantage of using CDN server is to shorten the distance for users to visit the service area, shorten the time to access the server, and improve the browsing speed.

The CDN network architecture is mainly composed of two parts: the center and the edge. The center refers to the CDN network management center and the DNS redirection analysis center, which is responsible for the global load balancing, and the equipment system is installed in the management center computer room; the edge mainly refers to the remote node, the carrier of CDN distribution, which is mainly composed of Cache and load balancer.

CDN acceleration is mainly used in website acceleration, storage and distribution, video on demand, live video and other fields.

The virtual host of the website can enjoy Baidu's massive CDN node resources for free, rich node resources, covering the whole world, and providing acceleration services for a large number of users with unlimited traffic.

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