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Assume that two computers are directly connected by a very short link with a bandwidth of 125 Mbps. One computer sends a packet of 1000 Bytes to the other computer. What’s the end-to-end delay (ignoring the propagation delay)?

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MrRoyal

Answer:

End to End Delay = 64 micro second

Explanation:

Given

Bandwidth = 125Mbps

A packet = 1000 bytes

Converting bandwidth from Mbps to bit/s

Bandwidth = 125* 10^6 bits/s

Bandwidth = 125,000,000 bit/s

End to End delay is calculated as

Length of Packet ÷ Bandwidth

Length of Packet = 1,000 byte --- convert to bits

Length of Packet = 1000 * 8

Length of Packet = 8,000 bits

So, End to End delay = 8,000/125,000,000

End to End Delay = 0.0000064 seconds --- convert to micro second

End to End Delay = 64 micro second

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