Alibaba Cloud Content Delivery Network (CDN) provides video management features that can be used to increase the cache hit ratio, reduce bandwidth usage during the back-to-origin process, extract audio data from video files, preview audio and video content, and enable M3U8 encryption.
The preceding features allow you to perform the following operations on domain names.
| Feature | Description |
|---|---|
| Object chunking | Enables Alibaba Cloud CDN to retrieve content from origin servers based on HTTP range requests. This increases the cache hit ratio, reduces the amount of data transfer during the back-to-origin process, and reduces the response time. |
| Video seeking | Allows users to seek through video or audio content without compromising the playback quality. |
| Audio extraction | Extracts audio data from video files to reduce the bandwidth usage. |
| Audio or video preview | Returns audio or video files of a specific length of time to clients. |
| M3U8 encryption and rewrite | Rewrites M3U8 files that are transmitted over HLS. You can use custom parameters to rewrite M3U8 files. |