UCloud CDN (also known as UCDN) is an enterprise-grade content delivery network service under UCloud. It leverages a distributed delivery network built upon globally deployed edge servers. Its core functionality utilizes load balancing, content scheduling, and caching mechanisms through a central platform to enable users to access required content from the nearest location. This reduces network congestion, enhances access response speeds, and improves concurrent load capacity.
This service is positioned as an all-scenario enterprise-grade acceleration solution and serves as a vital component of UCloud's global public cloud ecosystem. It caters to diverse enterprise users worldwide, accommodating distribution needs for static resources, audio/video content, large files, and more. Additionally, it offers seamless integration capabilities with cloud storage, cloud computing, and other services.

1. UCloud CDN Basic Information
- Service Provider Name: UCloud CDN (UCloud Cloud Delivery Network)
- English Name: UCloud CDN (UCDN)
- Founded: 2012 (UCloud established, with CDN services becoming a core business module later)
- Headquarters Address: Shanghai, China
- Official website address: https://www.ucloud-global.com/en/docs/ucdn/intro
- Service Types: Static File Acceleration, Video and Audio On-Demand Acceleration, Large File Download Acceleration, Full-Site Acceleration, Live Streaming Dynamic Acceleration, Security Acceleration Value-Added Services, Monitoring Data Analysis Services
- Reference Price: Overseas prepaid data packages start at ¥0.45/GB (RMB), with tiered discounts based on data volume; supports postpaid daily peak bandwidth billing starting at ¥1.1/Mbps/day (RMB) overseas, with specific pricing available for equivalent USD settlement.
- Trial Availability: No public free trial is currently offered. Enterprise users may contact their account manager to request customized testing services.
2. Core Advantages and Technical Features of UCloud CDN
Fully Self-Developed Acceleration System
Utilizing a fully self-developed content acceleration software system, it operates independently of open-source framework constraints and possesses flexible technical iteration capabilities, having maintained stable online operations for over five years.
Global Distributed Node Deployment
Deployed over 250 self-built nodes and 500+ global integrated nodes, operating at nearly 6.5 Tbps bandwidth. Covering core regions across multiple continents, enabling global proximity scheduling and low-latency distribution.
Multi-layered security protection mechanisms
Built-in anti-hotlinking, IP blacklist/whitelist, encrypted timestamps, and other protective strategies can be combined with DDoS protection products to defend against network-layer and transport-layer attacks. It also supports automatic failover between primary and backup origin servers to ensure service continuity.
Flexible customization capabilities
The self-developed caching system supports customizable caching rules, enabling acceleration strategies tailored to business requirements. Open API interfaces facilitate automated operations such as service activation, content refresh, and monitoring data retrieval.
Integrated Cloud Service Consolidation
Leveraging UCloud's global cloud platform, it seamlessly integrates with services like object storage and cloud servers to deliver an end-to-end integrated solution for data collection, storage, and distribution, simplifying business deployment complexity.
3. UCloud CDN Core Products and Services
- Static Content Acceleration Service (web pages, images, text, etc.)
- Video and Audio On-Demand Acceleration Service
- Large File Download Acceleration Service (Installer Packages, Patches, etc.)
- Full-Site Acceleration Service (Hybrid Dynamic and Static Content)
- Live Streaming Dynamic Acceleration Service
- CDN Security Protection Value-Added Services
- Traffic Monitoring and Log Analysis Service
4. UCloud CDN Supported Regions / Billing Currencies
- Coverage Areas: Asia (Japan, South Korea, Singapore, India, Thailand, etc.), Europe (United Kingdom, Germany, France, Netherlands, etc.), North America (United States, Mexico), South America (Brazil), Africa (South Africa), Oceania (Australia), and core commercial cities across multiple regions.
Coverage Features: Primarily covers core commercial regions across Asia-Pacific, Europe, and the Americas with balanced node distribution, efficiently supporting cross-border business needs for cross-regional content distribution.
Supported billing currencies: Chinese Yuan (CNY), US Dollar (USD), subject to specific service regions and user types.
5. How to Integrate with UCloud CDN
- Visit the UCloud global website to complete account registration and corporate identity verification.
- Log in to the management console, locate the UCDN service module, and submit an activation request.
- Add the domain name requiring acceleration and select the corresponding acceleration scenario (static/video-on-demand/download/full-site).
- Configure origin server information (supporting IP, domain name, or UCloud object storage buckets), set cache policies, anti-hotlinking, and other basic rules;
- Obtain the CNAME address assigned by the CDN and complete the DNS resolution configuration with your domain name service provider.
- After waiting for the configuration to take effect and approval to be granted, conduct an access test. Once the acceleration effect is confirmed to be functioning normally, officially activate the service.
6. UCloud CDN Application Scenarios
- Global accelerated distribution of product images and page content for cross-border e-commerce platforms
- Game developers' client installation packages and update patches accelerate cross-region downloads.
- Global Distribution and Playback Experience Optimization for Video-on-Demand Content on Streaming Platforms
- Global Access Performance Optimization and Stability Assurance for Corporate Websites
- Real-time content distribution and low-latency transmission for cross-border live-streaming commerce scenarios
- Global Acceleration for Static Resources in SaaS Applications
7. UCloud CDN Frequently Asked Questions
What types of content acceleration does UCDN support?
Supports acceleration for static files, video and audio on-demand, large file downloads, full-site content, and live streaming dynamic content.
What are the billing methods for UCDN?
There are primarily two types: prepaid data package billing and postpaid daily peak bandwidth billing, which can be selected based on the traffic characteristics of the service.
How to ensure origin server security?
Supports configuring primary and backup origin servers. The system continuously monitors origin server status and automatically switches to the backup server when the primary server fails. Additionally, it can block unauthorized backend requests through anti-hotlinking and IP restriction policies.
Does it support HTTPS encrypted transmission?
Supported. In some regions, certificates can be enabled and configured directly through the console. For other regions, contact technical support for assistance with configuration.
Can we obtain detailed usage data?
Yes. Through the management console, you can view monitoring data such as access traffic, request counts, and error rates. It also supports downloading distribution logs for in-depth analysis.
Editor's Note
UCloud CDN's core strengths lie in its global node deployment and integrated cloud service capabilities, making it particularly suitable for enterprises with cross-border business needs. Service configurations and review requirements may vary across different regions. We recommend consulting your account manager before integration to confirm node coverage details and service terms for your target regions. Enterprise users can enjoy customized pricing plans and dedicated technical support services.
