TCP #64: Critical Strategies to Navigate the AWS IPv4 Crisis

The exact playbook you need to save your deployment from AWS IPv4 Exhaustion

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Last month, our engineering team faced a sobering reality: a critical launch delayed by three full days because AWS couldn't allocate us a new public IPv4 address in our primary region.

This wasn't a quota limit for which we could request an increase. AWS had literally exhausted their pool of available IPv4 addresses.

The reality is stark:

• Three AWS regions have completely exhausted their IPv4 pools

• Four more regions are at critical levels (below 10% availability)

• New AWS accounts are now provisioned with zero default IPv4 addresses in many regions

If you wait until you face this problem directly, you're already too late.

In today’s newsletter, I provide the comprehensive playbook we developed during our crisis, the strategies that ultimately saved our deployment while future-proofing our infrastructure.

Source: Unsplash

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Strategy #1: Conduct a Thorough IPv4 Usage Audit