Postcards and Phone Calls
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Lessons that use this board
- TCP vs UDP, and the 3-way handshakelesson
- The page that never arrived (TCP reliable delivery)lesson
- Build it: the page that gets through (stop-and-wait, then a window)lesson
- Build it: only the lost page (selective repeat, loss and reordering)lesson
Postcards and Phone Calls. Moving your words across the internet: postcards, or a phone call?
the internet loses and shuffles things. UDP and TCP are just two attitudes about that.
UDP is postcards
you
your
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