Alibaba Cloud Anti-DDoS vs Fastly DDoS Protection: Side-by-Side Comparison (2026)

Alibaba Cloud Anti-DDoS: Alibaba Cloud's global DDoS protection service with 20+ Tbit/s mitigation capacity. built by Alibaba Cloud. Core capabilities include Global scrubbing centers with 20+ Tbit/s total mitigation capacity, AI and machine learning-based detection and mitigation of sophisticated DDoS attacks, Anti-DDoS Proxy: DNS-based traffic diversion with origin IP masking..

Fastly DDoS Protection: Cloud-based DDoS protection for apps and APIs with automatic mitigation. built by Fastly. Core capabilities include Adaptive Threat Engine for automatic attack detection and mitigation, 497+ Tbps network capacity for absorbing large-scale attacks, Network layer attack absorption with non-HTTP/HTTPS traffic filtering..

Both serve the Distributed Denial of Service Mitigation market but differ in approach, feature depth, and target audience.

Alibaba Cloud Anti-DDoS differentiates with Global scrubbing centers with 20+ Tbit/s total mitigation capacity, AI and machine learning-based detection and mitigation of sophisticated DDoS attacks, Anti-DDoS Proxy: DNS-based traffic diversion with origin IP masking. Fastly DDoS Protection differentiates with Adaptive Threat Engine for automatic attack detection and mitigation, 497+ Tbps network capacity for absorbing large-scale attacks, Network layer attack absorption with non-HTTP/HTTPS traffic filtering.

Alibaba Cloud Anti-DDoS is developed by Alibaba Cloud. Fastly DDoS Protection is developed by Fastly. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Alibaba Cloud Anti-DDoS and Fastly DDoS Protection serve similar Distributed Denial of Service Mitigation use cases: both are Distributed Denial of Service Mitigation tools, both cover DDOS. Review the feature comparison above to determine which fits your requirements.