Telecom & Networking

Basic

Download Time

Time to transfer a file of size S at rate R.

Formula

t = \frac{S}{R}

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Variables

tTime (s)

SFile size (bits)

RRate (bps)

Example

S=800 Mb, R=100 Mbps: t = 8 s

Did You Know?

Remember 1 byte = 8 bits: a 100 MB file is 800 Mb, so it takes 8 s on a 100 Mbps link.

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