1. For TCP end-to-end flow control, suppose the capacity of thereceiver buffer is 10 packets. Suppos 1 answer below »

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1. For TCP end-to-end flow control, suppose the capacity of thereceiver buffer is 10 packets. Suppose the packets that are beingqueued in the receiver buffer are packets 4, 5, 6, 7, 8, 10, 11.What is the advertised window size the receiver sent to the sender?Suppose packet 12 is the last packet sent by the sender. What’s theeffective window size at the sender? Can the sender send out packet13 at this moment? How about packet 14? 2. Consider a TCP Tahoe flow. Assume the initial TCP congestionwindow size is cwnd=1 packet, ssthreshold=10 packet, and the sendersends out packets starting from packet 1. Suppose packet 5 is lostin its first transmission and will go through in subsequent try.All other packets will go through in their first transmission. Plotthe time line graph for this flow until the transmission of packet15. You also need to show the value of cwnd and ssthreshold in yourtime line figure. In your calculation, ignore the impact from awnd(i.e., we assume awnd is sufficiently large) and assume TCP timeoutis three times the RTT. 3. Draw the routing table for the following nodes A, B, C, and Dsuch that A to B = 5, B to C = 1, A to C = 1, and C to D = 1topology when distance vector routing algorithm is used. You needto draw the table for every node and for every round of theirinformation exchange until it converges. 4. Use Dijkstra’s algorithm to decide the shortest path fromnode A to every other nodes in the following topology. You mustplot every step of the execution of the algorithm. The topology isAB=6, AC=3, AD=3, BD=2, BE=2, CD=5, CE=2, DF=3, and EF=1. 5. What is the time line figure for a TCP Reno flow, given thatall the other conditions are the same as in question 4? You alsoneed to show the value of cwnd and ssthreshold in your figure. . . .

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