3. Recall the macroscopic description of TCP throughput. Assuming the bandwidth is stable, TCP will operate...
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3. Recall the macroscopic description of TCP throughput. Assuming the bandwidth is stable, TCP will operate in AIMD, with the source rate varying from W/(2*RTT) to W/RTT and only one packet is lost (at the very end of the cycle). Window size W/2 W time a) Determine the loss rate L as a function of W. (Show the relation between L and W). b) Use the loss rate expression to show that if a connection has a loss rate L, its average throughput is approximately given by 1.22*MSS/(RTT*sqrt(L)), for W very large (i.e., when, W << W²) 3. Recall the macroscopic description of TCP throughput. Assuming the bandwidth is stable, TCP will operate in AIMD, with the source rate varying from W/(2*RTT) to W/RTT and only one packet is lost (at the very end of the cycle). Window size W/2 W time a) Determine the loss rate L as a function of W. (Show the relation between L and W). b) Use the loss rate expression to show that if a connection has a loss rate L, its average throughput is approximately given by 1.22*MSS/(RTT*sqrt(L)), for W very large (i.e., when, W << W²)
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Related Book For
Computer Networking A Top-Down Approach
ISBN: 978-0136079675
5th edition
Authors: James F. Kurose, Keith W. Ross
Posted Date:
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