Glossary term
What is Anycast? Meaning for developers
The same IP address is announced from many locations; users reach the nearest one. Example: Cloudflare's 1.1.1.1 is answered by a nearby data centre wherever you are.
Learn it properly · System DesignLesson 11: Anatomy of a Request: From Browser to DatabaseA system-design diagram looks like a wall of boxes. Follow one request — “show me my order history” — through DNS, CDN, load balancer, gateway, app servers, cache, database and queues, and learn why each box exists.