Whatsapp | High-level Design

In this video, we design *WhatsApp* from a high-level system design perspective. We break down how a messaging system can support millions of users, real-time communication, message delivery, and large-scale distributed infrastructure. 📌 *Topics covered:* Functional & non-functional requirements High-level architecture Real-time messaging WebSockets Message delivery Online/offline users Message ordering Database design Caching Scalability Fault tolerance System design trade-offs 🎯 Useful for *System Design interviews* and software engineers preparing for backend and product-based roles. Subscribe for more *System Design, LLD, Java, Backend & Interview Preparation* videos. #SystemDesign #WhatsApp #HLD #BackendDevelopment #Java #SoftwareEngineering #CodingInterview