Overview

更新时间: 2026-04-01 20:52:52

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

Configure range origin fetch

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.

Configure video seeking

Allows users to seek through video or audio content without compromising the playback quality.

Configure audio extraction

Extracts audio data from video files to reduce the bandwidth usage.

Configure audio and video preview

Returns audio or video files of a specific length of time to clients.

Configure M3U8 encryption and rewrite

Rewrites M3U8 files that are transmitted over HLS. You can use custom parameters to rewrite M3U8 files.

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