Question: In Figure 18.10, assume that the link between R1 and R2 is upgraded to 170 kbps and the link between the source host and R1

In Figure 18.10, assume that the link between R1 and R2 is upgraded to 170 kbps and the link between the source host and R1 is now downgraded to 140 kbps. What is the throughput between the source and destination after these changes? Which link is the bottleneck now?

Figure 18.10

Figure 18.10 Throughput in a path with three links in a series TR: 200 kbps Linkl TR: 100 kbps Link2 TR: 150 kbps Link3 RI R2 Source Destination a. A path through three links TR: Transmission rate Bottleneck b. Simulation using pipes

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