Hello,
This question has been bugging me since I started using iperf and I
couldn't find an answer by simply sifting through old iperf discussions
online.
So, Since UDP uses connectionless communication, how, in theory, is iperf
using it to know the number of lost packets during transmission between
service and client?
I can only imagine that this is achieved by establishing a TCP(or
other)-based connection on top first, and then somehow wrapping the UDP
connection, because when iperf UDP test is run, both client and server seem
to exchange information or do some sort of handshaking.
Thanks,
Ayrton
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