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Re:Awsviz.dev simplifying AWS IAM policies by LilBytes on Wednesday July 10, 2024 @04:37AM (#40924894)
It's fine, but you're going to attract a lot of network costs bridging data between AWS accounts.

Generally I'd stick to accounts per environment, you'll be worrying about a lot more when you get to FAANG scale.

Re:Awsviz.dev simplifying AWS IAM policies by visualphoenix on Wednesday July 10, 2024 @07:49AM (#40925865)
Sharing a VPC between accounts with AWS RAM incurs no network costs between the accounts and greatly simplifies AWS networking. Additionally you can share and re-use security groups from the shared vpc across account boundaries.
Re:Awsviz.dev simplifying AWS IAM policies by LilBytes on Wednesday July 10, 2024 @09:06PM (#40932939)
Hey thank you! I didn't know that, I was still stuck in the thoughts of using Transit Gateways between accounts which of course attracts $$$.