Consider a TCP connection starting with a congestion window (congwnd) size of 1

Question

Consider a TCP connection starting with a congestion window (congwnd) size of 1 packet. Assume that the advertised window size is infinite (and so we ignore it's effect). We can also ignore the effect of extra queuing delay on our RTT calculations. Answer the following:

A) How many RTTs would take this connection to transmit a 100-packet sized file, just by using TCP AIMD mechanism, when no packets are lost during the transfer? (Assume slow-start is not used)

B) How many RTTs would take this TCP connection to transmit the same file, if slow start is used and the slow start congestion threshold was set to 32 packets (Assume no packets are lost)?

Explanation / Answer

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You can get the solution and concept for this question here.

http://server.casa.umass.edu/~zink/ECE374/Exams/Midterm_1_sol.pdf

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