intermediateWhatsApp Deep Dive3 of 132
Design WhatsApp — what are the key functional and non-functional requirements (2B users, 100B messages/day, latency, consistency)?
Tests whether you can scope a huge system design problem correctly before jumping to components.
Ready to design this system end to end?
Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.
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