Ali CDN Core Technology Decryption

1. Alibaba CDN Component Tiering

The technology used in the application layer is load balanced and cache, and load balancing includes global load balancing and local load balancing. The cache makes HTTP caching through HTTP cache server Swift. Global load balancing is based on the DNS server Pharos and the real-time scheduling system CMOS as the carrier. Local load balancing is based on LVS and Tengine.

2. Performance optimization

2.1 Ali CDN's brain-Global traffic scheduling

2.2 Ali CDN Node System: Internal architecture diagram

2.3 Four-layer load balancing

2.4 Seven-layer load balancing

2.5 Ali HTTP cache server: Swift

2.6 Swift Overall architecture diagram

3 Ali Security Protection

3.1

Ali CDN Core Technology Decryption