Solution for System Design Interview Question – “Design a Notification Service, that would be used to send Email/ SMS/ Push notifications to billions of users.”
This is being asked by a lot of companies lately like Twitter, Uber, Google, Amazon, etc.
Prerequisites:
How to select the right Database for a Large Scale System:
Summary of the video:
Architecture diagram:
Author:
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PS: This is not the real architecture of any such platform. This is my take on how I would answer that problem.
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