System Design of WhatsApp / Messenger | Scalable Chat App Architecture Explained

In this video, we dive deep into the system design of WhatsApp / Messenger, exploring how real-time messaging apps handle billions of messages daily with high availability, consistency, and low latency. We cover:

Key components of a scalable chat architecture

Message delivery
Online/offline status handling
Group messaging and media sharing
Database and storage considerations
Scaling strategies and fault tolerance

Whether you're preparing for a system design interview or building your own chat application, this breakdown will give you valuable insights into designing a world-class messaging platform.

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#SystemDesign #WhatsAppArchitecture #MessengerClone #TechInterview #ScalableSystems #ChatApp