Basics of Data Communication Part: 2
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Paul SimpsonPosted Sep 20, 2010, 8:57 PM
Interesting article (although I had hoped it was going to be about how to use c# to establish network comms.) Only point revolves arounf TCP and UDP. I think you will find that UDP is at the transport layer, but TCP is at the session (one of the differences between them) Your statement about the transport layer ensuring "that data is sent and received successfully or not. If any error occurred then it sends the re-transmission request" is also wrong. That's session layer ;-) Hence TCP is connection-orientated (reliable) whereas UDP is connectionless (fire-and-forget).