Hacker News new | ask | show | jobs
by saurik 1214 days ago
AWS doesn't charge for internal server-to-server transfers, so the answer is precisely 0.
1 comments

That's only true for transfer in the same availability zone.

https://aws.amazon.com/ec2/pricing/on-demand/#Data_Transfer_...

Availability and horizontal scale-out are separate axes, so that isn't relevant for this question.