I've mentioned this previously. Without government-mandated standards, implementation could take years. We apply this approach to numerous areas; why should IP be an exception?
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If you want the government to mandate standards, vote with your feet and move to China where it has been mandated.
I thought the point of the article is that perhaps IPv6 is ultimately unnecessary: worse is better?
Why are we engineers so attracted to authoritarianism? The idea of just telling everyone to use the new version seems attractive to me too. Then again I often deeply admire practical engineering compromises. (edited: clarified)
One less thing to ship with every bit of network software.
One less learning outcome taught in every networking course.
One less piece of organisational complexity in every ISP.
Fewer rent seekers in the IP address space.
But these benefits are network effects and we only achieve them once IPv4 is relegated to the archaics of the internet tech stack.