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Topic messaging on Android- Push to every device or use topics?

October 22, 2019 admin 0

Software https://softwareengineering.stackexchange.com/questions/387652/push-to-every-device-or-use-topics

We’ve got hundreds of thousands of users and we want push notifications to all their devices, to certain groups of people. We’ve got about 5000 classes. Each user in a class has notification preferences, they can choose or opt from a specific notification type. Let us say we have 20 telling types. We are to use SNS and Firebase to get this done. As far as I am aware, Firebase and SNS don’t possess message and doing it is.

What is a better option concerning rate and endurance, to push to every device individually or to create a topic per group, per notification kind?