System Design · Visa · Medium
Design a real-time instant messaging platform that lets users exchange messages in both one-on-one and group conversations. The system must handle text, image, and file sharing. Your design should address user authentication, message persistence, and how real-time delivery works at scale. High‑level architecture of the real‑time messaging platform Example Input: {'users': 1000, 'messagesPerSecond': 500} Output: Walk through the key components and data flows required to…
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