<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Nov 14, 2023 at 6:46 AM Livingood, Jason via Nnagain <<a href="mailto:nnagain@lists.bufferbloat.net">nnagain@lists.bufferbloat.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg7599434461779224954">
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<p class="m_7599434461779224954MsoPlainText">On the subject of how much bandwidth does one household need, here's a fun stat for you.<u></u><u></u></p>
<p class="m_7599434461779224954MsoPlainText"><u></u> <u></u></p>
<p class="MsoNormal"><span style="font-size:14pt;color:black">At the IETF’s<span class="m_7599434461779224954apple-converted-space"> </span><a href="https://www.ietf.org/how/meetings/118/" title="https://www.ietf.org/how/meetings/118/" target="_blank">118th meeting</a><span class="m_7599434461779224954apple-converted-space"> </span>last
week (Nov 4 – 10, 2023), there were over 1,000 engineers in attendance. At peak there were 870 devices connected to the WiFi network. Peak bandwidth usage:</span><span style="color:black"><u></u><u></u></span></p>
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<span style="font-size:14pt">Downstream peak ~750 Mbps</span><u></u><u></u></li><li class="m_7599434461779224954MsoListParagraph" style="color:black;margin-top:0in;margin-bottom:0in">
<span style="font-size:14pt">Upstream ~250 Mbps</span></li></ul></div></div></div></blockquote><div><br></div><div>How was this calculated? That's an unusually high ratio of up to down, so my suspicion is that they aren't time correlated; they're also not /normal/ or /evening/ peaks, I'm expecting.</div><div><br></div><div>There's a big difference between individual peaks of upload and aggregate peaks of upload; most people aren't streaming high symmetric bandwidth simultaneously. Consequently a peak busy hour online load, I'm finding, is still much more like 8:1 over all users (idle and active), in Preseem's data set.</div><div><br></div><div>In addition to speed tests being, like democracy, the worst form of government except for all the others that have been tried, it would be instructive both for end users and ISPs to choose, agree on and understand specific percentiles of expected performance at idle and at peak busy hour.</div><div><br></div><div>Has anyone solved the math problem of distinguishing (from outside) a constraint in supply from a reduction in demand?</div><div><br></div><div>Jeremy</div><div><br></div><div><br></div></div></div>