this post was submitted on 05 Feb 2024
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All it takes is one big company like Amazon changing their services to IPv6-only and most of the world would be converted over in a month or two... but now I guess we know the reason WHY Amazon doesn't push such a policy.
A massive swathe of current gen devices don't even support it.
It won't be a month.
Microsoft announce changes much smaller than that 4 years out and still have to give extensions.
Wasn't 64 bit adoption largely driven by Microsoft deciding they weren't making a 32 bit version of their next Windows at one point? It seems it might take something similar.
Microsoft supports 32 bit processors still with windows 10. They died out because it was becoming clear that 4GB of memory wasn’t going to be enough for applications, and the low margins on budget chips didn’t warrant maintaining 32 bit designs when the 64 bit versions would do and could still run the 32 bit software.
No, 64 bit was widely adopted long before windows cut support. Keep in mind a 32 bit OS can only use ~4GB of ram, and most systems have been shipping with more than that for many years now.
Towards the end of 32 bit’s life, physical address extension allowed operating systems to use more memory, often up to 40 bits worth, but still could still expose a 32 bit address space to user applications.
Yes, but that would only get the total up to about 5GB, which isn’t very much more.
2^40 is a terabyte