MoreThanCodebase

WhatsApp System Design

Series overview 1.Introduction 2.Functional Requirements 3.Non-Functional Requirements 4.High-Level Architecture 5.Sending a Message 6.One Write vs 1024 Writes 7.Typing Indicator 8.Blue Ticks 9.Delete for Everyone 10.Edit Message 11.Online Status 12.Media Sharing 13.Multi-Device Sync 14.Voice Calls 15.End-to-End Encryption 16.Scaling to Billions

WhatsApp System Design

Scaling to Billions

1 min read

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