Seven ways to cut the AWS NAT Gateway bill, ranked by how much of it each one typically removes: free S3 and DynamoDB gateway endpoints, PrivateLink for busy services, hunting top talkers with flow logs, per-AZ routing, non-prod consolidation, NAT instances, and a flat-priced NVA. With the break-even maths.
The AWS NAT Gateway bill has two lines. The hourly fee is $0.045 per
gateway-hour, about $33 a month, and it is the least interesting number on your
invoice. The other line is the data-processing charge: $0.045 for every
gigabyte the gateway touches, in either direction. That one compounds. It grows
with traffic you didn't know was internet-bound, it multiplies across
AWS NAT Gateway pricing charges you twice — to exist and to move your bytes. How to spot the cost on your bill and the fixes that…
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