From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yb1-f179.google.com (mail-yb1-f179.google.com [209.85.219.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 5D1583B29D for ; Tue, 4 Jun 2024 14:34:24 -0400 (EDT) Received: by mail-yb1-f179.google.com with SMTP id 3f1490d57ef6-dfa71ded97bso103588276.1 for ; Tue, 04 Jun 2024 11:34:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717526064; x=1718130864; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jc4RX0U9lR/G8CoiwuOkjwdfLPKgq+2UdKziLQzWZwg=; b=S4OdNj555BhImzKdSbXxG1zUMkFfOmMNBEaHPrlrrnyiCouCItzC1jfqZeH+84IFmV ShmkYYNeozmxRA06gudy32MxDSvfuYR/qK3Ya3xri/dp1xy40ADRoE5Kc3RXgyITIKkr 3+GRIYyKpkaRS7HfDKDDdEFHEaXgpRxNMT9DFdN3XkxYdGaOGzUQJMJRoQ2gbJk5GQgQ N4vuPHr+zwzFELzJH2q2VpJ0oRIzHtfqZmsrjD6wMNSniaFANcgD2mI2uDtRgr49WQhL pDwu+oKxSfaJ2DCBIiUr6sRcyRZu6Qx8WVVx4H3vHVip4MK6/PvYnmjYyHjmnmXSitzi wcDQ== X-Forwarded-Encrypted: i=1; AJvYcCUkD7Z7tLSQ3A11Jmf0ebgbntNufMQApNGGb/ksiZTJp0hupMtTTg9auS2wI2ntHrQYpfX89z5OdPoXwOThUL0WQs1wSyLKHXAonjyDonQ= X-Gm-Message-State: AOJu0YyBl0OS+NS1ABEEYmtrYSNRV5cvwaCA0LUDUaQfuKVFe/hLbqpO RTvfSXWlYYjWVHLLhUhQWLn7k19Mg412jRPtcfyhnt9XYRn1092BE+87DB2vEEQlh1PL8NruIk4 R6vVjFvnkPEZ6FXs5QqtA6OapLN0= X-Google-Smtp-Source: AGHT+IHlL1/TM12KHQr2XAqH1U71jNptc4t+wLpzT2W/qOA8W7M7Lsygra0Blu0TSsLsQe9Bm7Q+/430Uix3R95l414= X-Received: by 2002:a05:6902:989:b0:de5:dcb6:83a8 with SMTP id 3f1490d57ef6-dfab8b03145mr2481717276.23.1717526063738; Tue, 04 Jun 2024 11:34:23 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: J Pan Date: Tue, 4 Jun 2024 11:34:11 -0700 Message-ID: To: "Livingood, Jason" Cc: Dave Taht , Dave Taht via Starlink Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Starlink] musk: 28ms median latency on starlink X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jun 2024 18:34:24 -0000 it's the user dish (ut) to pop (or ip gateway more precisely, not the ground station, collocated with the user's home pop) latency. thanks for the ripe atlas probes---we are hosting and using them too---the downside of ripe atlas is that it's mostly user hosted (so not always online) and the space and time granularity of the measurements that can be done for research -- J Pan, UVic CSc, ECS566, 250-472-5796 (NO VM), Pan@UVic.CA, Web.UVic.CA/~pa= n On Tue, Jun 4, 2024 at 9:33=E2=80=AFAM Livingood, Jason via Starlink wrote: > > First question is what was the test destination? From the CPE to a ground= station or to something at a peering point or on the internet? I would ass= ume either to ground station or 1 hop beyond (peering point)=E2=80=A6 That = way we can do apples-to-apples comparisons, so to speak. > > > > In any case, there is a lot of good 3rd party data out there for this. Fi= rst is RIPE Atlas. I helped get a lot of probes deployed in the US and ther= e are now 78 probes connected globally (roughly 30 would be sufficient to c= all it statistically significant): https://atlas.ripe.net/probes/public?sor= t=3D-id&toggle=3Dall&page_size=3D100&search=3DAS14593&page=3D1&status=3D1. = So if you know how to pull data from Atlas, it is there for you to analyze= =E2=80=A6 (see https://atlas.ripe.net/docs/apis/rest-api-manual/ and https:= //atlas.ripe.net/docs/tools-and-code/latencymon.html > > > > There is also this recent report that used a hardware probe connected ove= r ethernet: https://www.netforecast.com/wp-content/uploads/FixedWireless_LE= O_CableComparisonReport_NFR5148-1.pdf > > > > Another approach similar to accessing RIPE Atlas data would be to get the= Cloudflare AIM data from M-Lab =E2=80=93 see https://www.measurementlab.ne= t/blog/cloudflare-aimscoredata-announcement/. There was also a recent 3rd p= arty report on that (see Figure 1): https://www.netforecast.com/wp-content/= uploads/NFR5150_NetForecast-ISP-Performance-Report-2024.pdf. > > > > Jason > > > > > > From: Starlink on behalf of Dave= Taht via Starlink > Reply-To: Dave Taht > Date: Sunday, June 2, 2024 at 13:13 > To: Dave Taht via Starlink > Subject: [Starlink] musk: 28ms median latency on starlink > > > > Via elon musk: > > > > Starlink just achieved a new internal median latency record of 28ms yeste= rday! Great work by the engineering and operations teams. > > > > - https://twitter.com/elonmusk/status/1797282250574184587 > > > > I of course, am very interested in y'all=C2=B4s external measurements of = how well starlink is doing. For me, it is fantastic - 30Mbit uploads nowada= ys, 0 > > latency on the upload (how?) https://www.waveform.com/tools/bufferbloat?t= est-id=3D2a1d139b-87cb-4ba4-a829-e2167801cffe > > > > I also keep hoping that the rest of the ISP industry is now paying attent= ion and deploying stuff like fq_codel and cake and libreqos, but, ah well -= I will settle for starlink blowing past a lot of dsl and cable and finding= ways to get their density up. > > > > Anyone going to the Starship launch on the 6th? > > > > > > > -- > > https://www.youtube.com/watch?v=3DBVFWSyMp3xg&t=3D1098s Waves Podcast > > Dave T=C3=A4ht CSO, LibreQos > > _______________________________________________ > Starlink mailing list > Starlink@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/starlink