Question: a) Discuss the two-army problem in TCP. (8 marks) b) Consider a channel with a bit rate of 64 kbps and a propagation delay

a) Discuss the two-army problem in TCP. (8 marks) b) Consider a channel with a bit rate of 64 kbps and a propagation delay of 10 ms. i. Stop and Wait (Idle RQ) has been implemented on this network in order to manage the flow of data frames. For what range of frame sizes will Stop and Wait give a utilization of at least 50%? (2 marks) ii. BER of 10-6. (2 marks) Determine the corresponding channel utilization if Go-Back-N is used instead of Stop and Wait. Assume that the channel has a

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