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The concept have been mentioned by Amazon for years.

For reference see:

"AWS re:Invent 2018: How AWS Minimizes the Blast Radius of Failures" https://youtu.be/swQbA4zub20

Yea my understanding is that cell based architecture got really big within AWS 6-7 years ago to make scaling more predictable.

AWS uses something it calls "cells" absolutely everywhere, as a basic unit of scaling and fault boundary. I'm not sure this link has much to do with it though. I skimmed through it and didn't really recognize it as the same concept; this looks entirely unrelated and weird to me.

(I work at AWS.)

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