From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 51EC73B29D; Sun, 19 Jun 2022 11:46:47 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1655653605; bh=VXnX8B6YoNl1DoYdLsSGhcTGjcMHzDpxFlbUJ2p6UKc=; h=X-UI-Sender-Class:Subject:From:In-Reply-To:Date:Cc:References:To; b=el0rcK/kvkRDXNvkF97kGEPTnA/4sAKeuNJHbo36ck8LLWh+KzEEe+kR3YENm19v3 FmHcrqttbML7GhBqZYyQiyghUQm9BQvOaFkFLamZr3pkRDv/NIitobG8Y/N9i6l1NL 845Dz8IGZYjuaOKXgv6ymjZ4jiQuivOgny7Xd5fw= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from smtpclient.apple ([77.6.66.20]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1Mwfac-1nn6FT37ik-00yDXs; Sun, 19 Jun 2022 17:46:45 +0200 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.100.31\)) From: Sebastian Moeller In-Reply-To: Date: Sun, 19 Jun 2022 17:46:44 +0200 Cc: Rpm Content-Transfer-Encoding: quoted-printable Message-Id: <81153147-A7F5-4AC7-A07A-320FBE66C94B@gmx.de> References: To: =?utf-8?Q?Dave_T=C3=A4ht?= , Dave Taht via Bloat X-Mailer: Apple Mail (2.3696.100.31) X-Provags-ID: V03:K1:B1rkLTcM4zjanMtrS8multRaFs3JwGi1UP3/Jp9Ph4n2zKu2Pf3 l1mwcuG7ImucWUYOU0QRUIwkMtEWe0jJ2z7mnkwg1YFSI+faa5k64F6Ixx8dAQfpJWddN1J xTRFQM8ORK8Nqg3OoTbSqtVZQxEcH3BVt2PKKo6XUNglGglDjXK2rW5cREmdp/vshpK+CVy UocryzoKE+IdGVM4hJGYw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:XVKENocNgsY=:+sX/W0dYL1gvHFETlTyJh+ gdY69M2jaDkiFe14Z6wtGKdWa3nNxF9trtzvV6ztZqywe25TCGCwf64B07m8JcThuLd4aIqlr XcTQmNVcgRfMQTSFV5rZH3/GjgYhfGEuXVPQYOo+RifkUuMr3UXqxCfIPV67hboB4AxAnwVEH yVjyA/x7xwntltYjly3t8qwCIdRfSizk/0XQC2t1mheEbkgKQYX0SNGdisDGxDOSGypTbJ8s3 31ru0k3eZeN+uvWcFfKfAK8i53N6FR3e1fS37jVWnzvECaJ6QEJmcDYILOAu3hzrF3igt9Rci jdJv0zPFwWdhjA+dlL0Esmwiy+h7n7WgQwgBCEOVtbT51LypXpQ9lg+BVNIf4bnYonYlhPYsy 2PyE4U9NVyEwLN7qTlD6RfGRAenaTELrf08QGBoNPdyH+2lmlJ4+BrTIQyx820phrDmxVoLUz HSqMhxSmTIxHgbEwRkCv4ZRtAlYJW4TusR8gVZpHgVxWL7vRHd7AJNSmjzIJiGk5ALN4HKuf8 B3OrQ0kUVRnYNus5T/PcVUUF4BGhe/+VJi7GatYm/SZJbIgjZxo3WFBzBMQ4dpaC0x7jIciCq rVaYx1B2EWDi9LdIlYTB1kgnpUnC4AkFVwIgpIGUK+hjs8wO2ba/VJLjL9Pd5tQvTu1PgDblh eJzXXSQoBw39GYzIYMjmtxsKcy2ZeRdIJB16m5Pg3NvnjJ7qUXnxkmrDMv7yKAtH6GD4vAUIl HjHY2frwS8ELcNl+zpaUH11DXEMrBegvic7zno7Haw5mY+xscbBBjas5vBH0sKnZk+bX5GxW1 Hpwb3Wp5QhJmJoSeztv6f7+Yf6vhMStOK/qCF2Iep3Pp4WxsNXHR1zc63DXSctFm6LBsYCdo3 wakMvym1ZmRc52dlU+UA0/1+zoGiC4X6W36S0Jj4LE9p6FFadIJUUPnAhlwcGaNoIgJP50Bh4 r+tJDu/XWFPg0s1l1VCXBX8wRiDlyLvHI42+RFAyve7dxIybqNex/CyL+GQsTs+JKwE5hZINE STBZvhZx4NwXuftswsKViyihUY6E/UtmBLLMpTMsUT3n5H79jDJ9tZVFFgCaVoSBZIY55ZIW6 ORirm3kkgO+bxgBH7yRVTKMNwXVZ282JAcl Subject: Re: [Rpm] [Bloat] An 8 years perspective on broadband in the usa - fcc data X-BeenThere: rpm@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: revolutions per minute - a new metric for measuring responsiveness List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Jun 2022 15:46:47 -0000 Hi Dave, > On Jun 19, 2022, at 17:32, Dave Taht via Bloat = wrote: >=20 > It's not clear if they are only measuring downloads in fig 4. ? >=20 > = https://vaibhavbajpai.com/documents/papers/proceedings/fcc-networking-2022= .pdf indeed: "The SamKnows probes measure a variety of broadband met- rics [22] over = IPv4. The tests [22] covered in this paper include: multi-threaded = download speed, UDP latency, UDP latency un- der load, and UDP packet = loss. The tests connect to the closest measurement servers (based on = round-trip time); measurement servers are hosted both off-net (outside = of ISP boundary) and on-net (within ISP boundary). The off-net = measurement points were hosted by Measurement Lab (M-Lab) [23] and = changed to Level 3 Communications (CenturyLink) across ten cities in the = US, while the on-net measurement targets are hosted by the ISPs = themselves. The FCC publishes the raw data for each month [24], along = with annual reports on major findings [25]. For controllability reasons, = the annual MBA reports only cover measurements to the off-net locations, = i.e., latency results might be inflated due to geographical distance. = Thus, we also consider the on-net measurements in our analysis." reference 22 points to = https://www.fcc.gov/general/measuring-broadband-america-open-methodology "Latency under load Average round trip time for a series of = regularly spaced UDP packets sent during downstream/upstream sustained = tests" this seems to imply that it would be mixed upload/download saturation? But I agree that this is unclear... maybe Sam (Crawford) knows (pun = intended), I do not have his email, but maybe he is on-list or someone = else can relay that question? Regards Sebastian >=20 >=20 > --=20 > FQ World Domination pending: = https://blog.cerowrt.org/post/state_of_fq_codel/ > Dave T=C3=A4ht CEO, TekLibre, LLC > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat