So to summarize, not quite certain which tcp algo they use. But everyone seems to agree that Steam does whatever they can to jam the pipe full
________________________________ Fra: Dave Taht <dave.t...@gmail.com> Sendt: onsdag 10. mars 2021 01.57.09 Til: Nils Andreas Svee Kopi: Jonathan Morton; Toke Høiland-Jørgensen via Cake; Taraldsen Erik Emne: Re: [Cake] STEAM tcp algo from CDN? I would really like them to use less flows - or BBR started up separately with a 200+ms interval between starts would be good.... On Tue, Mar 9, 2021 at 4:31 PM Nils Andreas Svee <m...@lochnair.net> wrote: > > On Wed, 2021-03-10 at 01:14 +0200, Jonathan Morton wrote: > > > On 9 Mar, 2021, at 10:20 pm, Dave Taht <dave.t...@gmail.com> wrote: > > > > > > 10-20 flows, cubic, last I looked. It's ugly. > > > > I can't confirm CUBIC from here, but it seems to be 4-8 flows in > > parallel now. Latency to the national CDN is about 22ms over LTE, so > > it's hard to distinguish CUBIC from anything else in particular; in > > this range it would look a lot like NewReno. It seems to shut down > > each flow and start a fresh one after about a minute. > Seeing somewhere between 8-16 here I believe. IIRC I've seen you > mention being located in Finland, if so we're probably on the same > datacenter in Stockholm. > > The flows are probably not lasting long because the downloads are split > into chunks, which according to my logs are at most 1 MB. Patches seem > to work differently, those can be much larger (logs shows the largest > one the past months was 137 MB, depends on the game I assume). > > -- > Best Regards, > Nils > -- "For a successful technology, reality must take precedence over public relations, for Mother Nature cannot be fooled" - Richard Feynman d...@taht.net <Dave Täht> CTO, TekLibre, LLC Tel: 1-831-435-0729
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