With the news that AWS will be now charging about $4 / instance-month for public IPv4 addresses, many developers who procrastinated ipv6 migration are finally updating both ends of their development setup.

It's a great time to migrate, as all the intermediate infrastructure now supports IPV6 readily. Moreover, you'll benefit from permanent , global addresses for your development instances.

Pros

• A single, global, stable address for EC2 instances that never changes. No need for dynamic DNS and other hacks
• No need to pay for Elastic IP addresses on dev instances
• Global addressing for mutual duplex services (no more NAT needed)
• Better flexibility …

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