What is the difference between bandwidth and throughput?
What will be an ideal response?
ANSWER: Bandwidth is the amount of data that could theoretically be transmitted during a given period of time. In an analogy, the bandwidth of a three-lane freeway is the number of vehicles that can pass a checkpoint in one minute when traffic is bumper-to-bumper and traveling at the maximum speed limit. In practice, that bandwidth never happens. Still, we could increase potential bandwidth by adding more lanes to the freeway. At the same time, consider that adding too many lanes for the amount of anticipated traffic, so that some lanes are never used, would be a waste of resources. Throughput is the measure of how much data is actually transmitted during a given period of time. In our analogy, throughput measures the actual traffic on the three-lane freeway that passes in one minute. Using all the available bandwidth results in more accidents and traffic jams than if bandwidth exceeds actual throughput by a little. However, this beneficial effect is limited-providing a lot more potential bandwidth than actual throughput does not achieve additional improvement in performance unless you need to account for regular spikes in traffic.
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