Question

5
b) Consider a communication link between two user A (transmitter) and B
(receiver) that uses sliding window flow control protocol for frame
transmission Assuming seq. number set to three in control field of
HDLC frame Show the transmitter & receiver window position and
frame flow for the following sequence of events for Go back and ARQ
and Selective repeat ARQ
• Initial Position of window at A and B, before A sends any frames
• A sends frame 1.2.3 and frame 2 lost.​

Answer 1

Answer:

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