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My company just decided that routing fallbacks, like the ARPA NIMs had, weren't necessary. Right after the Rogers BGP fiasco that cut off 50% of Canada from the internet... Bother! --dave On 8/4/22 19:46, Daniel Sterling via Bloat wrote: > "Flow control power is non-decentralizable" is from -- 1981? So we've > known for 40 years that TCP streams won't play nicely with each other > unless you shape them at the slower endpoint-- am I understanding that > correctly? But we keep trying anyway? :) > > On Thu, Aug 4, 2022 at 7:24 PM Stephen Hemminger via Bloat > wrote: >> On Fri, 5 Aug 2022 00:45:12 +0300 >> Jonathan Morton via Bloat wrote: >> >>>> On 4 Aug, 2022, at 3:21 pm, Bj=C3=B8rn Ivar Teigen via Bloat wrote: >>>> >>>> Main take-away (as I understand it) is something like "In real-world n= etworks, jitter adds noise to the end-to-end delay such that any algorithm = trying to infer congestion from end-to-end delay measurements will occasion= ally get it wrong and this can lead to starvation". Seems related to Jaffe'= s work on network power (titled "Flow control power is non-decentralizable"= ). >>> Hasn't this been known for many years, as a consequence of experience w= ith TCP Vegas? >>> >>> - Jonathan Morton >> It seems like BBR developers thought they could do better. Unfortunately= , papers with negative >> results never seem to get written or published ;-( >> _______________________________________________ >> Bloat mailing list >> Bloat@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/bloat > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat -- David Collier-Brown, | Always do right. This will gratify System Programmer and Author | some people and astonish the rest dave.collier-brown@indexexchange.com | -- Mark Twain CONFIDENTIALITY NOTICE AND DISCLAIMER : This telecommunication, including a= ny and all attachments, contains confidential information intended only for= the person(s) to whom it is addressed. Any dissemination, distribution, co= pying or disclosure is strictly prohibited and is not a waiver of confident= iality. 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