WhatsApp System Design - Interactive Model

System Design Room

You + Backend + Infra

🔍 📹 ⋮

Aap message bhejte ho → client se backend tak travel karta hai.

Encryption, queues, databases, notifications – sab kuch is model mein dikh raha hai.

Flow select karte hi sirf wahi blocks dikhenge jo use ho rahe hain, aur highlight bhi ek-ek karke hoga.

Tap a flow below 👇

Perfect for your Instagram walkthrough video 🎥

End-to-End Flows

Pick a scenario to highlight components & path

Speed

Client Layer

Devices

Realtime & Services

Core backend

Data & Platform

Storage & infra

💡

Select a flow to see the exact path

Jaise hi aap “Send Text Message” jaisa koi flow select karoge, upar arrow path me dikhega: Mobile App → Global Load Balancer → Realtime Gateway → Chat Service → Message DB → Notification Service → Push Client. Side mein sirf wahi blocks dikhenge jo is flow ka part hain – aur beech beech me chhote green packets move karte dikhai denge, jo actual network traffic ka feel dete hain. 📲