What is CDN acceleration

　　cdn What is acceleration ？CDN The full name is Content Delivery Network, The content distribution network . The basic idea is to avoid the bottleneck and link that may affect the speed and stability of data transmission on the Internet , Make content transfer faster 、 A more stable . By placing Node server A layer of intelligence based on the existing Internet virtual network ,CDN The system can be based on The network traffic Connection with each node 、 Comprehensive information such as load status, distance to the user and response time redirect the user's request to the nearest service node . Its purpose is to enable users to get the required content nearby , solve Internet Network congestion The state of , Improve the response speed of users to visit the website .

Service mode

　　 Content distribution network is a new network content service system , It is based on IP Network , Efficiency requirements for content-based access and application 、 Quality requirements and content order to provide content distribution and services . And in a broad sense ,CDN It represents a high-quality network-based 、 high efficiency 、 Network application service mode with distinct network order . In short , Content distribution network is a strategically deployed overall system , Include Distributed storage 、 Load balancing 、 Redirection and content management of network requests 4 Requirements , And content management and the overall network Traffic management yes CDN At the heart of . Through user proximity and The server Load judgment ,CDN Ensure that content serves users' requests in an extremely efficient way .

The main advantage

　　CDN It can cover almost all lines in China . And in terms of reliability , CDN In the structure of the implementation of multi-point redundancy , Even if one node Due to accidental failure , Access to the site can be automatically directed to other health nodes to respond .CDN Can easily realize the national laying of the website , No need to think about it. The server Investment and trusteeship 、 Don't worry about the cost of new bandwidth 、 There is no need to consider multiple servers Mirror image Sync 、 No need to think about more management and maintenance technicians .

Use CDN The benefits of

　　1. Don't worry about your website visitors , At any time , Any place , Any network operator , Can quickly open the website .

　　2. Various server virtual host bandwidth and other procurement costs , Including the later operation and maintenance costs will be greatly reduced .

　　3. The direct benefit to the website is ： Traffic , Amount of consultation , Number of customers , Unit weight , Will be greatly improved .