Question: What happens when the user of the transport
What happens when the user of the transport entity given in Fig. 6-20 sends a zero-length message? Discuss the significance of your answer.
Answer to relevant QuestionsFor each event that can potentially occur in the transport entity of Fig. 6-20, tell whether it is legal when the user is sleeping in sending state.Consider the situation of the previous problem again. Compute the minimum possible response time both for the given 1-Gbps line and for a 1-Mbps line. What conclusion can you draw?In Fig. 6-29 we saw that in addition to the 32-bit Acknowledgement field, there is an ACK bit in the fourth word. Does this really add anything? Why or why not?What is the fastest line speed at which a host can blast out 1500-byte TCP payloads with a 120-sec maximum packet lifetime without having the sequence numbers wrap around? Take TCP, IP, and Ethernet overhead into ...Calculate the bandwidth-delay product for the following networks: (1) T1 (1.5 Mbps), (2) Ethernet (10 Mbps), (3) T3 (45 Mbps), and (4) STS-3 (155 Mbps). Assume an RTT of 100 msec. Recall that a TCP header has 16 bits ...
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