Understanding Cloud Data Egress: Strategies to Cut Outbound Transfer Fees

Strategies to Reduce Unexpected Data Transfer Bills

You signed up for cloud storage because the monthly price per gigabyte looked reasonable. Then the bill arrived and there was a line item you had not planned for, one that had nothing to do with how much data you were storing. It had to do with how much data had left.

That is what egress is. Data egress, to use the technical term, means data leaving a cloud provider’s network — travelling outward to your users, your systems, or another provider entirely. Its opposite, ingress, is data moving into the cloud. And here is the asymmetry that catches so many organizations off guard: charges are more commonly applied when data leaves a provider’s infrastructure than when it enters. Most major cloud providers allow customers to upload data without charging transfer fees. Getting the data out is another matter.

So why does leaving...

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