#NAT Gateway
2 posts
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AWS Private EC2 Operations Guide Part 5: Cost Analysis and Optimization — NAT, ALB, EC2, and Data Transfer
Pull the monthly bill of the environment Parts 1–4 produced apart, line by line, and find where to cut. Real numbers for NAT Gateway, ALB, EC2, and data transfer; the levers that matter (S3 Gateway Endpoint, Graviton, Savings Plans); and budget templates for side-project, startup, and enterprise tiers.
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AWS Private EC2 Operations Guide Part 1: Why Private Subnet? — The ALB + NAT Gateway Standard Architecture and Sizing-Based Decision Criteria
We unpack the 'why' behind the standard pattern of placing EC2 in a Private Subnet wrapped by ALB and NAT Gateway. Public IPv4 vs Elastic IP, sizing recommendations, HA basics, and the concrete risks of putting PII-handling servers in a Public Subnet. Part 1 of a Bastion-less AWS EC2 operations series.