Maximum end-end throughput (e). Consider the scenario below where 4 TCP senders are connected to 4 receivers. Servers 1 - 3 transmit to the receiving hosts at the fastest rate possible (i.e., at the rate at which the bottleneck link between a server and its destination is operating at 100% utilization, and is fairly shared among the connections passing through that link). Server 4 has nothing to send, so its sending rate is zero. Suppose that R = 1 Gbps, Rc is 300 Mbps and Rs is 400 Mbps. What is the TCP throughput achieved on each of the 3 sctive-sending connections? A. 4R B. Rc C. R/4 D. R
Maximum end-end throughput (e). Consider the scenario below where 4 TCP senders are connected to 4 receivers. Servers 1 - 3 transmit to the receiving hosts at the fastest rate possible (i.e., at the rate at which the bottleneck link between a server and its destination is operating at 100% utilization, and is fairly shared among the connections passing through that link). Server 4 has nothing to send, so its sending rate is zero. Suppose that R = 1 Gbps, Rc is 300 Mbps and Rs is 400 Mbps. What is the TCP throughput achieved on each of the 3 sctive-sending connections?
A. 4R
B. Rc C. R/4 D. R
Maximum Throughput (2). Now consider the network shown below (just an extended version of the network above), with two senders on the left sending packets to a common receiver on the right. The links have transmission rates of R1 = R2 = 100 Mbps, and R3 = 50 Mbps. What is the maximum end-to-end throughput achieve by each session, assuming both sessions are sending at the maximum rate possible? A. 1 Mbps B. 25 Mbps C. 100 Mbps D. 200 Mbps
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