How to Design a Chat App Like WhatsApp — System Design Explained
中文摘要
本文介绍了如何设计类似 WhatsApp 的大规模聊天应用，重点讲解了支撑每日百亿级消息传输的系统架构设计。
English Summary
This article explains how to design a large-scale chat application like WhatsApp, focusing on the system architecture needed to handle billions of daily messages globally.
原文节选
WhatsApp handles 100 billion messages per day. Two people can message each other from Mumbai and New York and the message arrives in under… Continue reading on Medium »