FG

Why is the download speed slow in the early seconds?

Fresh3 days ago
Mar 15, 2026921 views
Confidence Score0%
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Problem

When you download a big enough file, you can see that in the early seconds, the download speed increases to finally reach its mean value. Why?

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1 Fix

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Fix for: Why is the download speed slow in the early seconds?

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Two things: There's some overhead in negotiating and setting up the transfer, especially with protocols like FTP. FTP actually sets up a second TCP channel exclusively for data transfer, so a second 3-way handshake has to take place, etc etc. Most T…

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