05 Jun Suppose station A sends information to station
Question
1.Suppose station A sends information to station B on a data link that operates at a speed of 10
Mbps, and that that station B has a 1-Megabit buffer to receive information from A. Suppose that
the application at station B reads information from the receive buffer at a rate of 1 Mbps.
Assuming that station A has an unlimited amount of information to send, sketch the sequence of
transfers on the data link if Stop-and-Wait ARQ is used to prevent buffer overflow at station B.
Consider the following cases:
a. One-way propagation delay is 1 microsecond.
b. One-way propagation delay is 1 ms.
c. One-way propagation delay is 100 ms.
NOTE: Use Xon/Xoff flow control
2. Use a network analyzer to capture the sequence of packets in a TCP connection. Analyze the
contents of the segments that open and close the TCP connection. Estimate the rate at which
information is transferred by examining the frame times and the TCP sequence numbers. Do the
advertised windows change during the course of the connection?
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