In today's rapidly evolving digital age, live streaming services have become an integral part of entertainment, news, education, and business communication. To ensure that live content can be delivered smoothly to a global audience, CDN (Content Delivery Network) technology plays a crucial role. This article will delve into how CDN reduces latency, improves video streaming quality, and handles high traffic demands in the live streaming industry. Reducing Latency One of the major challenges of live streaming services is reducing latency, i.e., minimizing the time from content capture to display to the audience. CDN ensures that data can be transmitted from the nearest node to the user through geographically dispersed server networks. This not only reduces data transmission time but also reduces the probability of distortion, making live streaming closer to real-time. Improving Video Streaming Quality High-quality video streaming is another key indicator of live streaming services. CDN ensures that users can enjoy high-definition video content even in poor network conditions by optimizing data paths and using efficient caching strategies. Additionally, CDN dynamically adjusts video quality based on each user's bandwidth and device performance to provide the most suitable video stream. Handling High Traffic Demands Live events, especially large-scale sports events, concerts, or major news events, often attract a large number of simultaneous online viewers. In such situations, high traffic demands can easily lead to server overload. CDN disperses traffic across multiple nodes distributed globally, effectively preventing the risk of server crashes and ensuring the stability and availability of live streaming. Conclusion CDN is an indispensable technological support for live streaming services. It not only effectively reduces latency and improves video quality but also maintains service stability when user traffic surges. With the advancement of live streaming technology and the expansion of its application scope, the role of CDN will become even more important, serving as a key factor in enhancing the live streaming service experience. In the future, we can expect CDN technology to bring more innovations and further revolutionize the live streaming industry.