Load Balancing

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, …

Apr 18, 2023 Cloud Computing 40 min read

Cloud Computing (5): Cloud Network Architecture and SDN

VPC, load balancers, CDN, SDN/NFV, and BGP -- a deep tour of cloud networking from packet to planet, with the production knobs that matter.