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- Below are the two questions, so make sure to answer each part carefully: Why does TCP implement congestion control if it already has flow control to manage the sender's window? Consider our recent reading [Chiu+89] Analysis of the Increase and Decrease algorithms for congestion avoidance in computer networks. How does this article showcases that TCP is fair?Below are the two questions, so make sure to answer each part carefully and label the response for each question: 1) Why does TCP implement congestion control if it already has flow control to manage the sender's window? 2) Consider our recent reading [Chiu+89] Analysis of the Increase and Decrease algorithms for congestion avoidance in computer networks. How does this article showcases that TCP is fair?Consider the following plot below of TCP window size as a function of time. Assuming TCP Reno is the protocol experiencing the behaviour shown above, answer the following questions. In all cases, you should provide a short discussion justifying your answer. d. After the 22nd transmission round, is segment loss detected by a triple duplicate ACK or by a timeout?e. What is the initial value of Threshold at the first transmission round?f. What is the value of threshold at the 18th transmission round?g. What is the value of threshold at the 24th transmission round?h. During what transmission round is the 70th segment sent?i. Assuming a packet lost is detected after the 26th round by the receipt of a triple duplicate ACK, what will be the values of the congestion-window size and of Threshold?
- Consider Figure 3.58 . Assuming TCP Reno is the protocol experiencing the behavior shown above, answer the following questions. In all cases, you should provide a short discussion justifying your answer.a. Identify the intervals of time when TCP slow start is operating.b. Identify the intervals of time when TCP congestion avoidance is operating.c. After the 16th transmission round, is segment loss detected by a triple duplicate ACK or by a timeout?d. After the 22nd transmission round, is segment loss detected by a triple duplicate ACK or by a timeout?e. What is the initial value of ssthresh at the first transmission round?f. What is the value of ssthresh at the 18th transmission round?g. What is the value of ssthresh at the 24th transmission round?h. During what transmission round is the 70th segment sent?i. Assuming a packet loss is detected after the 26th round by the receipt of a triple duplicate ACK, what will be the values of the congestion window size and ofssthresh ?j. Suppose…Consider Figure 3.58 . Assuming TCP Reno is the protocol experiencing the behavior shown above, answer the following questions. In all cases, you should provide a short discussion justifying your answer.d. After the 22nd transmission round, is segment loss detected by a triple duplicate ACK or by a timeout? e. What is the initial value of ssthresh at the first transmission round? f. What is the value of ssthresh at the 18th transmission round?Consider the following plot below of TCP window size as a function of time. Assuming TCP Reno is the protocol experiencing the behaviour shown above, answer the following questions. In all cases, you should provide a short discussion justifying your answer.a. Identify the intervals of time when TCP slow start is operating.b. Identify the intervals of time when TCP congestion avoidance is operating.c. After the 16th transmission round, is segment loss detected by a triple duplicate ACK or by a timeout?d. After the 22nd transmission round, is segment loss detected by a triple duplicate ACK or by a timeout?e. What is the initial value of Threshold at the first transmission round?f. What is the value of threshold at the 18th transmission round?g. What is the value of threshold at the 24th transmission round?h. During what transmission round is the 70th segment sent?i. Assuming a packet lost is detected after the 26th round by the receipt of a triple duplicate ACK, what will be the values…
- Consider the evolution of TCP’s congestion window shown in the figure below and answer the questions. a. Which version of the TCP is running? Provide an explanation of how you have obtained your answer.b. How many losses have been detected during the first 30 transmission rounds? When are these losses detected? Are these losses due to timeout or triple duplicate ACK? Explain.c. What is the value of ssthresh at transmission round 1 and at transmission round 17? How did you find these numbers? Explain.d. How many segments have been transmitted in the first 4 transmission rounds? Show your work.e. At which transmission round segment 70 has been transmitted? Show your work.Consider Figure 3.58 . Assuming TCP Reno is the protocol experiencing the behavior shown above, answer the following questions. In all cases, you should provide a short discussion justifying your answer.j. Suppose TCP Tahoe is used (instead of TCP Reno), and assume that triple duplicate ACKs are received at the 16th round. What are the ssthresh and the congestion window size at the 19th round?k. Again suppose TCP Tahoe is used, and there is a timeout event at 22nd round. How many packets have been sent out from 17th round till 22nd round, inclusive?Please help me identify the event and its location in the TCP Reno operation graph shown below. Additionally, please help me explain how we can identify this event based on the changes in the congestion window size. a.) A segment loss event due to a triple duplicate acknowledgment.
- Explain why a TCP segment timeout that is too short contributes to overall network congestion. What is the drawback of using a timeout value that is too long ? Explain in detail with steps and digrams with a long description and elaboration.QUESTION 67 Explain what happen in the following scenario in TCP A sends the first segment to B (successfully delivered) A sends the second segment to B (successfully delivered) B sends the ACK for the first segment (dropped) B sends the ACK for the second segment (successfully delivered)QUESTION 67 Explain what happen in the following scenario in TCP A sends the first segment to B (successfully delivered) A sends the second segment to B (successfully delivered) B sends the ACK for the first segment (dropped) B sends the ACK for the second segment (successfully delivered) QUESTION 68 What is the need to IP address? why not to simply use MAC addresses?