IPv4 address exhaustion is a challenge in modern networking, as most IPv4 addresses have been depleted with the growth of the internet. Previously, AWS Lambda only supported inbound and outbound connectivity over IPv4, but it has since introduced support for dual-stack endpoints, so that you can transition from IPv4 to IPv6. AWS continues to add support for IPv6, recently announcing support for inbound IPv6 connectivity over AWS PrivateLink, and dual-stack endpoint support for Amazon API Gateway.
With these IPv6 capabilities now available in Lambda, you should understand how to use them effectively. This post examines the benefits of transitioning Lambda functions to IPv6, provides practical guidance for implementing dual-stack support in your Lambda environment, and considerations for maintaining compatibility with existing systems during migration.
Benefits of transitioning
You can transition to IPv6 to future-proof your overall architecture by…
https://aws.amazon.com/blogs/compute/aws-lambda-networking-over-ipv6/
