From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.17.22]) (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 2447F3CB35 for ; Sat, 11 Dec 2021 08:20:01 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1639228799; bh=UQ7S/+X47B1TuWCVRMqqbOaw8u9zeqtWIfvC2hEzoAE=; h=X-UI-Sender-Class:Subject:From:In-Reply-To:Date:Cc:References:To; b=R4IiMC8QWdvJptlIlq9w20DT3N0wx7617UTakHoH1jCsfXIaHnq+54+aqGgMbMzYz 1P16ZIjHleuM0S7bfhzwmuJtf1hqo928gWiXVm9g/FC9QtxM95tYE70k7As0zpVcEF Kh7orRyIM1Sm98tkg0QuczhZUTIqMThhn64dcOXc= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from smtpclient.apple ([77.6.40.96]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MuDXp-1mfkME0fD3-00udBr; Sat, 11 Dec 2021 14:19:59 +0100 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) From: Sebastian Moeller In-Reply-To: Date: Sat, 11 Dec 2021 14:19:58 +0100 Cc: Rpm Content-Transfer-Encoding: quoted-printable Message-Id: <18B2DB86-D603-4D9A-8E6D-E92093477AA6@gmx.de> References: To: =?utf-8?Q?Dave_T=C3=A4ht?= X-Mailer: Apple Mail (2.3654.120.0.1.13) X-Provags-ID: V03:K1:U6Xh4xVxE3ZpTlCmsHGa+ELw7+9AgU9Oq/CvuIlUj0k968KskqY uGpZMIOIdCYPUT/Jp95cKSyK569q8sDsJGsi53DoAJqIIF6vOWnZDKVs5lCjTKOqF7bN0pI j+8hsbgLow1XVY7sRXpRHUNqt0cmkWhRlKHqCBYCDSwEkzu9cwrke3BgB9m6UWnHmsEjxPf OBsaMiTozpM9SDtRNqFIQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:uTitWPOXZBk=:P2YHQrdZQ//jG2Kaj/aavS vs6pIed8CcXIjkx2/3meZLXvuiNA0kdFYgUIJOrUN4RdeXGEh2gPj4GxGXM5UjgK5ZG/qF8z0 MBRKWfQnfhbvJ2Ek1YbJr3TrZHu8jIdL0vMBfF5c4zPGn4YAmbeKkFFGKKpB8wvngUuOPLyiH MwwVUSx+qyI2Cn5F0IE0vP+40hBkZqmQ+bu8R2YK0sRfW8MNZ/8l1gWcFfatwKGRXhr09toiS W836PH2dGvN7oK9jxU0a3MF+QYuhAYUlZRwIsJvjssOepnNVXaLJvG+Up/px3kGvBrU1qTrhx xW0rgUYZxiQDH5jPIPEswEHSDjiMN5hQqu+8qbjjR2gIrOQWWh7MCfYKUjXilro5aQwQ15vm+ tIyldpd5FZt+cv4WXWc7M0TSnBmlPb070heUSBiWBbgIh1kcTQ9ju1bWGJfckR64U/iE/bgTI Csca0b3xbSTsaMngn/9RFxvxN5fPr/ZafBiuNSlmCE2f7w5mz80cxytM42iy1qeO/kI0ZANtl IJIDgSIpZ1xWUj7ADea4woOxhUG1YCVkJnOvWSAVxOovYjfAHrjZo+uL5jrsc/NrXlofMB0Hy GX1n/i6TR3xetblH8tIMFhgw4/x5IDpRynWiXKC0nUVgfEwIk6Pa5VgAKH8/8A6fh/77xm9w4 WaIvWYwP+1dmN0THstZj59LmmudXLZwkUC5ho7ezuEqi+UcQciblMgEoIpzVj4w1SQ5tTl6VM K4AflP6xE7CMlxA/SJCe32TDcDkCFMwSsBEGfFE0Kl0QN6AN56JLaumAYL7eL0abkRGbB3QC9 lFDAxGsFUZoX9I3ZFmGUCGTS1Em05ZESdC4ZFTn6aj7DPHyLLKbHf/EcwyBlOtJqtib/7jebG JvvAPlwXwH9C3SjvAvZRdbVV31/pbXmn6l4vDptoThUGGhSqb96utP2GutigSOBS+qJHvteV7 +wXvbqL+3NaKIjsItJFsShyjaESRQNcwOmnt3FTDDzytZkcz5nerHcwXNBP0z+Ys749Qd9X9a lzSJKl96NfeMqGiBj85c4jT7QV72smaJo2GvCZFbK67D4BVvxgzavUCkh9hIUTWeaZFUEoVUK UOYrZxG8YQWQNc= Subject: Re: [Rpm] actively measuring owd successfully using icmp 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: Sat, 11 Dec 2021 13:20:01 -0000 Two notes. 1) Technically it is not OWD that is measured, but "OWD + = unknown_offset", but since the goal is to evaluate the delta between the = current delay and a history delay aggregate, the unknown offset does not = matter too much, and as it turns out quite a lot of the tested = reflectors are reasonably well synchronized already (to my utter, utter = surprise). 2) It appears that ICMPv6 removed the timestamp option, does anybody = here have a link to the discussions that lead to this somewhat = unfortunate decision? Best Regards Sebastian > On Dec 11, 2021, at 13:59, Dave Taht via Rpm = wrote: >=20 > Somewhere in this thread the actual working method is buried, but: >=20 > https://forum.openwrt.org/t/cake-w-adaptive-bandwidth/108848/944 >=20 > --=20 > I tried to build a better future, a few times: > https://wayforward.archive.org/?site=3Dhttps%3A%2F%2Fwww.icei.org >=20 > Dave T=C3=A4ht CEO, TekLibre, LLC > _______________________________________________ > Rpm mailing list > Rpm@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/rpm