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Re:Boosting upload speed and improving Windows' TCP stack by slowstart on Tuesday May 18, 2021 @10:51PM (#27203994)
That's not expected. Are you using loopback sockets or are these sockets on different endpoints? Is this unidirectional or bidirectional traffic, i.e. are you doing both transfers from A to B and B to A simultaneously?
Re:Boosting upload speed and improving Windows' TCP stack by drummer on Tuesday May 18, 2021 @10:56PM (#27204016)
I see the issue both on the same computer, so loopback, as well as on two computers on the same LAN. I tested with unidirectional traffic. Pretty easy to test for yourself. The problem appears to be with the TCP protocol implementation. For UDP transmission speed is the same both ways.