Self-Hosting a NAT Gateway: Benefits, Implementation, and Real-World Experience
By
veryrealsid
Hot, fresh, and worth queueing round the block for.
Summary
The article advocates for self-hosting a NAT Gateway instead of using AWS's managed service, arguing that while it's considered unconventional and risky by many, there are significant benefits including cost savings, performance improvements, and greater control. The author shares their real-world experience implementing this in an engineering organization, explaining what a NAT Gateway does, why someone would consider self-hosting, and the practical considerations involved.
Key quotes
· 4 pulledSociety would have you believe that self hosting a NAT Gateway is 'crazy', 'irresponsible' and potentially even 'dangerous'
But in this post I hope to shed some light into why someone would go down this path, the benefits, and my real experience when implementing this in a real engineering organization
Why would someone even think about replacing a core part of AWS infrastructure
What does a NAT Gateway even do? For those unfamiliar, a NAT Gateway acts as a one way door to your private subnet to access the internet
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