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RTT Under Load: A Beginner's Tour Through 30 iperf3 Tests

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Packets & Patterns Notes from a second-year CSE student on how networks actually behave RTT Under Load: A Beginner's Tour Through 30 iperf3 Tests Computer Networks — Digital Assignment  |  BCSE308L  |  VIT Chennai 24BCE5047  |  Naman Bhukar  |  Slot: F1+TF1  |  Dr SubbuLakshmi T If you have ever run ping google.com and watched the numbers, you have already met RTT — Round Trip Time , the time it takes for a packet to travel from your machine to a destination and come back. Most of us treat RTT as a fixed property of a link: "my ping to this server is about 250 ms, done." That intuition is wrong. The goal of this post is to show you why , using real measurements from 30 iperf3 tests run against iperf.he.net , captured with Wireshark and plotted. The short version: RTT is not a number your network has . It is a number your network produces ...