<div dir="ltr">So, it has a core assumption: that a stable arrangement of links with small persistent delays is something that both can and should exist.<div><br></div><div>It's kind of like a fluid model, in many ways.</div><div><br></div><div>Thing is, I don't think it's desirable that persistent delays exist anywhere.</div><div><br></div><div>Now, autotuning codel is probably a good idea... but the implementation should be local. If you're a bottleneck, you may as well behave as if you're the only bottleneck, even if that isn't the case, because if you're in a distributed bottleneck situation your actions will help anyway. A global distributed solver like is proposed here could possibly work in a private network, but I can't see that solution flying in precisely the place you really need it: peering.</div><div><br></div><div>One way to do this locally would be to identify the impulse response of the stochastic DE describing the aggregate running through the link using something like <a href="https://arxiv.org/abs/1309.7857">https://arxiv.org/abs/1309.7857</a> and then tune to optimal behaviour for the resulting DE, along the lines of <a href="https://arxiv.org/abs/1510.08439">https://arxiv.org/abs/1510.08439</a>.</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jul 19, 2018 at 8:42 AM Dave Taht <<a href="mailto:dave.taht@gmail.com">dave.taht@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">there's so much math in this that I cannot make heads or tails of it.<br>
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<a href="https://www.eee.hku.hk/~kcleung/papers/conferences/bufferbloat_multi-bottleneck:INFOCOM_2018/PID5170809.pdf" rel="noreferrer" target="_blank">https://www.eee.hku.hk/~kcleung/papers/conferences/bufferbloat_multi-bottleneck:INFOCOM_2018/PID5170809.pdf</a><br>
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-- <br>
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Dave Täht<br>
CEO, TekLibre, LLC<br>
<a href="http://www.teklibre.com" rel="noreferrer" target="_blank">http://www.teklibre.com</a><br>
Tel: 1-669-226-2619<br>
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