CDN

May 1, 2026 Alibaba Cloud Full Stack 58 min read

Alibaba Cloud Full Stack (4): OSS — Object Storage Done Right

Master Alibaba Cloud OSS: bucket types, storage classes, access control (ACL, RAM, STS, signed URLs), lifecycle rules, cross-region replication, CDN integration, and custom domains. Build a complete media storage …

Jul 12, 2025 System Design 28 min read

System Design (2): DNS, CDN, and Load Balancing — The First Three Hops

Every web request begins with DNS resolution, may traverse a CDN edge, and lands on a load balancer before reaching your application. Understanding these three hops is essential to building systems that are fast, …