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pumplekin07/31/20251 replyview on HN

Yes.

Layer4 TCP is pretty much just slapped on top of Layer3 IPv4 or IPv6 in exactly the same way for both of them.

Outside of some little nitpicky things like details on how TCP MSS clamping works, it is basically the same.


Replies

ComputerGuru07/31/2025

…which is basically how it’s supposed to work (or how we teach that it’s supposed to work). (Not that you said anything to the contrary!)