Design WhatsApp

Name: WhatsApp System Design: chat messaging systems
Uploaded: 2019-01-22T07:22:30-08:00
Duration: 25 min 14 s
Channel: Gaurav Sen
Description: The classic messaging walkthrough: connection handling, delivery receipts and offline queues.

Design a messaging service like WhatsApp supporting 1:1 chats, group chats, delivery and read receipts, and message delivery to devices that were offline.

Design WhatsApp

What clarifying questions would you ask the interviewer?