> Most leading cloud providers allow their customers to input data into the cloud for free. However, when that data is retrieved from the cloud, these providers will then charge large fees; this is what’s known as a data egress.
Here is what I found out about ingress [1]
> Egress in the world of networking implies traffic that exits an entity or a network boundary, while Ingress is traffic that enters the boundary of a network.
no worries, it was all quite confusing to me too. I never had to worry about any of this stuff till accidentally racking up a $600 charge in one day by using a TPU pod to train on data in the wrong region.
> inbound traffic (ingress) is free, almost universally.
> outbound traffic (egress) is $insane, almost universally.
so think of it like, teleport yourself to S3's servers. Any data that comes in, you charge $0. Any data that goes out, you charge $massive.
This seems to be true for almost every provider I've found. Hetzner is one of the rare exceptions. If you need a server, get a Hetzner dedicated box, because it's unlimited traffic (both ingress and egress). It powers https://battle.shawwn.com/ (big dump of files).
I'd love to store things in S3 or GCE, but it's a non-starter, because transferring between GCE to Hetzner would cost $0.12/GB downloaded. 12 cents per GB! It doesn't sound like a lot till you do the math on 22TB.
Hence, R2 is incredibly appealing. I'd love $0.015 per GB storage cost + free egress, because it means I can download as much as I want to my hetzner server. Meaning, I don't need to worry about my hetzner drives failing.
