Stop and Wait ARQ has very less efficiency, it can be improved by increasing the window size. Irrespective of the number of packets sender is having stop and wait for protocol requires only 2 sequence numbers 0 and 1.It is a special category of SWP where its window size is 1.It is an example of “ Closed Loop OR connection-oriented “ protocols.The sender has to keep waiting for acknowledgements before sending the processed next packet. If the Bandwidth*Delay product is very high, then they stop and wait for protocol if it is not so useful.Throughput = 1 Data packet/frame per RTT.It uses a link between sender and receiver as a half-duplex link.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.
Top 20 Puzzles Commonly Asked During SDE Interviews.