cs2105 week 3url vs ip addresstransport service propertiestransport service protocolsnetwork socketSample UDP clientSample UDP serverSample TCP clientSample TCP serverWhat is UDP protocol?What is Connectionless multiplexing / de-multiplexing ?Why is UDP unreliable?What can UDP be used for?How can we manage (relatively) reliable transmission over UDP?What is reliable data transfer protocol (rdt)?How do you design a reliable data transfer protocol (rdt)?Why rdt3.0 perf is shitty?How do we make rdt3.0 better?UDP checksumWhat is go-back-N protocol?What is selective repeat?2021-01-28