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Re:HTTP/3 is everywhere but nowhere by frollogaston on Tuesday March 18, 2025 @02:55AM (#43396431)
It's the second one. But legacy programs did get upgraded, so I don't see why they wouldn't under this other plan. If anything, it's easier because you're only making the address field bigger and it's not a separate case. Some routers struggled with 128-bit addrs due to memory, and could've gotten away with like 48 or 64 bits if they're using DHCP.
Re:HTTP/3 is everywhere but nowhere by Dylan16807 on Tuesday March 18, 2025 @12:21PM (#43401221)
Lots of legacy programs, and current programs, and other things that could have been upgraded did not get upgraded. Getting to the situation where you can just flick a switch is not a realistic dream. There's not enough motivation for the average business to add support for a version that isn't in use yet.