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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Transport Layer
Exercise:
Problems
Question:2 | ISBN:9780132856201 | Edition: 6

Question

Consider Figure 3.5. What are the source and destination port values in the segments flowing from the server back to the clients’ processes? What are the IP addresses in the network-layer datagrams carrying the transport-layer segments?

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Answer

Assume the IP addresses of the hosts A, B, and C are a, b, c, respectively. (Note that a, b, c are distinct.)


  • To host A: Source port =80, source IP address = b, destination port = 26145, destination IP address = a

  • To host C, left process: Source port =80, source IP address = b, dest port = 7532, destination IP address = c

  • To host C, right process: Source port =80, source IP address = b, dest port = 26145, destination IP address = c


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