https://apenwarr.ca/log/20170810
Article
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Argues IPv6 was designed for a different, better world where endpoints have stable addresses.
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Traces networking history from Ethernet through NAT to explain why IPv6 feels awkward today.
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Proposes that connection identity should be tied to UUIDs, not IP addresses.
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Author (Tailscale CEO) advocates for end-to-end connectivity as the correct model.
Discussion
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Strong pushback: critics argue IPv6 is fine and alternatives proposed always converge to IPv6.
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SLAAC vs DHCPv6 coexistence flagged as a genuine design flaw causing real-world confusion.
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Many note IPv4 exhaustion was solved ‘well enough’ by NAT, reducing IPv6 urgency.
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Commenter points out this is one of the best networking explainers ever written.
Discuss on HN