Driven by markets such as video, e-commerce, and games, CDN has become an indispensable part of China’s Internet infrastructure, and the industry has entered a stage of rapid development. With the continuous development and progress of technologies such as artificial intelligence, big data, cloud computing, the Internet of Things, virtual reality, and blockchain, CDN will become an important network platform supporting the implementation and application of these technologies, which will drive the further expansion of the CDN market. At the same time, the 5G era is approaching, and the application of emerging communication technologies will also drive the market’s demand for CDN. China’s CDN industry will enter a new stage of development. In 2022, China’s CDN market will reach 135.86 billion yuan, with broad prospects for development.
Moreover, network security is a prerequisite for the development of websites, and frequent network layer DDoS attacks and application layer DDoS attacks occur every day. The performance of the portal website under attack has plummeted, unable to properly handle user requests, causing user access disruption, and seriously affecting the corporate image. In recent years, the occurrence of attacks such as chain theft, content theft, and tampering has caused serious losses to enterprises, and more than 80% of attacks use DDOS hybrid attacks. Security issues have long been “impossible to prevent.”.
In order to resist DDOS attacks, customers may purchase anti D devices, WAF devices, and other methods to improve the system’s ability to resist attacks. However, the effect of this concession strategy is not good. On the one hand, this method requires high costs, and on the other hand, traditional solutions that increase network bandwidth resources only have significant defense effects when dealing with small-scale traffic attacks, but they are unable to cope with large-scale attacks, And there are certain limitations. Therefore, DDOS attacks cannot be fundamentally protected.
The characteristic of CDN network node distribution is a natural anti D platform, which has the advantages of on-demand protection, simplified source server infrastructure, and reduced IT planning. It will be the trend of future security development. Based on the CDN platform, technical means such as source station concealment, attack monitoring, access control, and intelligent interception provide full process security protection for customer websites through prior monitoring, in-process protection, and post management. In addition, CDN networks can be used to provide high-quality acceleration services for websites.
