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by neilalexander 2350 days ago
For accuracy, Yggdrasil doesn't "build on top of IPv6", it merely uses IPv6 over TUN in the current binaries because that most closely translates to a usable experience for real people today without having to rewrite their applications. It has been a good way to get users to help scale-test.

The underlying routing scheme, virtual switch/router implementation, specification etc are not aware of (nor do they care about) IP.