Interesting, I was wondering whether using a shared VPC would have been the better solution, but it turns out they use a shared VPC per region and peer them via TGW. IMHO it'd be worth peering those regions individually, to get rid of that potential bottleneck. Of course you loose quite a few interesting features.
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this article from 4 months ago explains it.
https://slack.engineering/building-the-next-evolution-of-clo...
Interesting, I was wondering whether using a shared VPC would have been the better solution, but it turns out they use a shared VPC per region and peer them via TGW. IMHO it'd be worth peering those regions individually, to get rid of that potential bottleneck. Of course you loose quite a few interesting features.