[tcpm] Hystart survey of large server operators
Bob Briscoe <ietf@bobbriscoe.net> Tue, 27 July 2021 23:37 UTC
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To: Praveen Balasubramanian <pravb@microsoft.com>
Cc: "tcpm@ietf.org" <tcpm@ietf.org>, "draft-ietf-tcpm-hystartplusplus@ietf.org" <draft-ietf-tcpm-hystartplusplus@ietf.org>
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From: Bob Briscoe <ietf@bobbriscoe.net>
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Date: Wed, 28 Jul 2021 00:37:19 +0100
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Subject: [tcpm] Hystart survey of large server operators
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Any large server operator out there who are using Cubic, If you're willing to state whether or not your operations disable Hystart, pls do so in reply. Then Praveen can cite this mailing list thread in the Hystart++ draft, as requested below. If you are willing to reply privately, I would be willing to keep your confidences, and provide an anonymized result to the list. Cheers Bob On 27/07/2021 01:50, Praveen Balasubramanian wrote: > Although Hystart is default enabled in Linux, it is invariably disabled. So, it's misleading to just say Hystart is default enabled, which implies it's widely used, when people clearly find it has problems (which motivates Hystart++). I found this out through an informal survey I did at the Mar'18 IETF in London by asking round the implementers of the most prevalent stacks (I would name names if I could find the note I later sent to someone or to some list, but I can't find it - sry). >>>>> I'd like some citations on this versus anecdata if possible before I add that caveat to the text. Do large deployments disable this? I haven't come across this suggestion in any Linux tuning guides to date. -- ________________________________________________________________ Bob Briscoe http://bobbriscoe.net/
- [tcpm] I-D Action: draft-ietf-tcpm-hystartplusplu… internet-drafts
- [tcpm] Full review of: draft-ietf-tcpm-hystartplu… Bob Briscoe
- [tcpm] Full review of: draft-ietf-tcpm-hystartplu… Bob Briscoe
- Re: [tcpm] Full review of: draft-ietf-tcpm-hystar… Bob Briscoe
- Re: [tcpm] [EXTERNAL] Full review of: draft-ietf-… Praveen Balasubramanian
- Re: [tcpm] [EXTERNAL] Full review of: draft-ietf-… Praveen Balasubramanian
- Re: [tcpm] [EXTERNAL] Full review of: draft-ietf-… Praveen Balasubramanian
- Re: [tcpm] [EXTERNAL] Full review of: draft-ietf-… Praveen Balasubramanian
- [tcpm] Hystart survey of large server operators Bob Briscoe
- Re: [tcpm] Hystart survey of large server operato… Yuchung Cheng
- Re: [tcpm] Hystart survey of large server operato… Bob Briscoe
- Re: [tcpm] Hystart survey of large server operato… Christian Huitema
- Re: [tcpm] Hystart survey of large server operato… Yuchung Cheng
- Re: [tcpm] Hystart survey of large server operato… Bob Briscoe
- Re: [tcpm] Hystart survey of large server operato… Yuchung Cheng
- Re: [tcpm] Hystart survey of large server operato… Neal Cardwell
- Re: [tcpm] Hystart survey of large server operato… Junho Choi