<div dir="auto">The puzzling thing is turning off pacing in these implementations...</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, May 30, 2023, 9:31 AM Joerg Deutschmann via Bloat <<a href="mailto:bloat@lists.bufferbloat.net">bloat@lists.bufferbloat.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">And of course some QUIC implementations have HyStart++, e.g., <br>
<a href="https://blog.cloudflare.com/cubic-and-hystart-support-in-quiche/" rel="noreferrer noreferrer" target="_blank">https://blog.cloudflare.com/cubic-and-hystart-support-in-quiche/</a><br>
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On 30.05.23 17:27, Joerg Deutschmann via Bloat wrote:<br>
> Hi Dave,<br>
> <br>
> some brief information regarding HyStart++ on Windows:<br>
> <a href="https://techcommunity.microsoft.com/t5/networking-blog/algorithmic-improvements-boost-tcp-performance-on-the-internet/ba-p/2347061" rel="noreferrer noreferrer" target="_blank">https://techcommunity.microsoft.com/t5/networking-blog/algorithmic-improvements-boost-tcp-performance-on-the-internet/ba-p/2347061</a><br>
> <a href="https://datatracker.ietf.org/meeting/113/materials/slides-113-tcpm-draft-ietf-tcpm-hystartplusplus-04-00" rel="noreferrer noreferrer" target="_blank">https://datatracker.ietf.org/meeting/113/materials/slides-113-tcpm-draft-ietf-tcpm-hystartplusplus-04-00</a><br>
> <br>
> AFAIK, there is no Linux implementation for HyStart++, only HyStart:<br>
> <a href="https://www.kernel.org/doc/html/latest/networking/snmp_counter.html#tcp-hybrid-slow-start" rel="noreferrer noreferrer" target="_blank">https://www.kernel.org/doc/html/latest/networking/snmp_counter.html#tcp-hybrid-slow-start</a><br>
> (but I would be interested if there was a HyStart++ implementation for <br>
> Linux; also there are several papers about HyStart but not HyStart++)<br>
> <br>
> And HyStart++ should be available in FreeBSD:<br>
> <a href="https://reviews.freebsd.org/D33035" rel="noreferrer noreferrer" target="_blank">https://reviews.freebsd.org/D33035</a><br>
> <a href="https://cgit.freebsd.org/src/commit/?id=653cf466f08584c0fd87bc336cdc1db08f0d4434" rel="noreferrer noreferrer" target="_blank">https://cgit.freebsd.org/src/commit/?id=653cf466f08584c0fd87bc336cdc1db08f0d4434</a><br>
> <br>
> Best regards,<br>
> Joerg<br>
> <br>
> <br>
> On 28.05.23 14:46, Dave Taht via Bloat wrote:<br>
>> Does a linux implementation of this exist? It looks promising...<br>
>><br>
>> <a href="https://datatracker.ietf.org/doc/html/rfc9406" rel="noreferrer noreferrer" target="_blank">https://datatracker.ietf.org/doc/html/rfc9406</a><br>
>><br>
> <br>
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