this post was submitted on 05 Feb 2024
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I remember doing an IT course over a decade ago and learning about IPv6 taking over, honestly surprised it hasn't yet. I just looked it up and apparently they came up with it in 1998. How is it taking so long? Is there some technical reason it's harder or something? Does the extra address size mean a not so great trade off in traffic or something?
note: I did study a bit of networking and IT but have forgotten everything mostly and work in a different field, thus my ignorance.
There are huge gaps in ipv6 adoption which means most users and services must continue to support and use ipv4.
Since everyone has to continue ipv4 support, there's not much motivation to push general adoption of ipv6. Maintaining dual stack support has its own costs.
Even within AWS, many of their services still don't support ipv6. AWS fees for ipv4 addressing may end up being a comparatively big driver for adoption.
You just outlined a reason for AWS not to fully support IPv6 as well.