From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) (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 15D713CB58 for ; Fri, 24 Aug 2018 13:13:57 -0400 (EDT) Received: by mail-wr1-x42c.google.com with SMTP id m27-v6so8073344wrf.3 for ; Fri, 24 Aug 2018 10:13:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heistp.net; s=google; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=kh4j8W8gn0OgdDSZq566yzmM/AsiJH3DTyD7xTVKm4U=; b=W1CJwEW79fRBHxNs+RgHqqBNxU5YlPiJNBC/Q1/VA6nt4dg28Id3rTRG8M25bcIiL1 w4vOydqVLd6DQ/IETlRFPtbY2CZlPtjuC8vqdFigqKqtySTe6k4V3o0qfGMnp0VS7rY9 Av6BDbqsLgHn9PUgVzrWVSmDh4zQp/xX8OcAJdvcxK9cXzN8/zc/cW9omqxHVAB2V9Sj DiOxIaDmshI2HCqmPYOmPp5Eltsy6iqTwhtjKY32Rb+9n5e6bo6yWDcKQ/URmPNZfPgQ V6dTxdoAuA0DnXep8dQBpQWDb5kbdr0aW/pSn2L5uCylID42dmVqJ62pwBDSE/VqPupr k34g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=kh4j8W8gn0OgdDSZq566yzmM/AsiJH3DTyD7xTVKm4U=; b=tH9PM9bgFbXaLbqYiV3/58DL0JOlFGKDxQc/NeeoRsaKKMwAimu+IYeS3tT5E2hyuC wFmvMoaIymuxFDMsUEfu7eZws2OGJKz5qhjyugFCQk4Vifwtym2SJubTebPgWy/Um7qD n3h+4CNSYQr47uXdznpfVuZIT4e70gufFAFNt9fEboaygcHv5gmUdwiZlJCw3mPIo3v0 HHbg4wdNMuc+27stiQtl4uyTStV2p7oyVSTA0+2oPqfJzFI2L2Hl/fpVXJeMbGMNUwpJ yBEDzFKB8HmP3AJnmPQdbL+wWpjAOK+0lCDyNVhyYCT8Sqd07ZVenh1L/eTYJdBYtZPk Qn4A== X-Gm-Message-State: APzg51B35rnMS2Wxn3ZaL2oo8sDBzbnAqmWcSt5oirfFxWYIGpGYvBBY ITZWvEL/rIOYVYIIX4NWpP0usYsqDXE= X-Google-Smtp-Source: ANB0VdarNpUCS6kF0axMbKZIJS57ybXsZkZioCS3INVRsEKi7XD8wnGWgIRlhQJnlUNr5zi8bNStAQ== X-Received: by 2002:a5d:50cf:: with SMTP id f15-v6mr1834402wrt.128.1535130836143; Fri, 24 Aug 2018 10:13:56 -0700 (PDT) Received: from tron.luk.heistp.net (h-1169.lbcfree.net. [185.193.85.130]) by smtp.gmail.com with ESMTPSA id v46-v6sm12132648wrc.63.2018.08.24.10.13.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 24 Aug 2018 10:13:55 -0700 (PDT) From: Pete Heist Message-Id: <8E4244B7-C0AE-43D6-980F-C2370E662845@heistp.net> Content-Type: multipart/alternative; boundary="Apple-Mail=_69FF6731-3430-4565-BF80-6EDC7B835679" Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Date: Fri, 24 Aug 2018 19:13:54 +0200 In-Reply-To: <999D19F8-7E27-47CB-BC14-06193CC40943@heistp.net> Cc: bloat , cerowrt-devel@lists.bufferbloat.net To: Dave Taht References: <999D19F8-7E27-47CB-BC14-06193CC40943@heistp.net> X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Bloat] beating the drum for BQL X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Aug 2018 17:13:57 -0000 --Apple-Mail=_69FF6731-3430-4565-BF80-6EDC7B835679 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Aug 23, 2018, at 10:26 AM, Pete Heist wrote: >=20 >> On Aug 23, 2018, at 2:49 AM, Dave Taht > wrote: >>=20 >> I had a chance to give a talk at broadcom recently, slides here: >>=20 >> http://flent-fremont.bufferbloat.net/~d/broadcom_aug9.pdf = >=20 > Thanks for sharing, this is really useful, raising awareness where it = matters. Quite a bit of content... :) >=20 > Ubiquiti needs some work getting this into more of their products = (EdgeMAX in particular). A good time to lobby for this might be, well a = couple months ago, as they=E2=80=99re producing alpha builds for their = upcoming 2.0 release with kernel 4.9 and new Cavium/Mediatek/Octeon = SDKs. I just asked about the status in the EdgeRouter Beta forum, in = case it finds the right eyes before the release: >=20 > https://community.ubnt.com/t5/EdgeRouter-Beta/BQL-support/m-p/2466657 = This started a discussion, and no, so far it looks like there=E2=80=99s = no BQL support in the upcoming 2.0 release. For my own benefit, re-reading the original patch series comment = (https://lwn.net/Articles/469652/ ) = makes it sound like BQL is useful even without AQM (original benchmarks = were done with straight pfifo_fast). I didn=E2=80=99t realize this, = actually. If anything incorrect about BQL was said in this discussion, = correct us, please=E2=80=A6 :) Pete --Apple-Mail=_69FF6731-3430-4565-BF80-6EDC7B835679 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
On = Aug 23, 2018, at 10:26 AM, Pete Heist <pete@heistp.net> = wrote:

On Aug 23, 2018, at 2:49 AM, Dave Taht <dave.taht@gmail.com>= wrote:

I had a chance to give a talk at broadcom recently, slides = here:

http://flent-fremont.bufferbloat.net/~d/broadcom_aug9.pdf

Thanks for sharing, this is really = useful, raising awareness where it matters. Quite a bit of content... = :)

Ubiquiti = needs some work getting this into more of their products (EdgeMAX in = particular). A good time to lobby for this might be, well a couple = months ago, as they=E2=80=99re producing alpha builds for their upcoming = 2.0 release with kernel 4.9 and new Cavium/Mediatek/Octeon SDKs. I just = asked about the status in the EdgeRouter Beta forum, in case it finds = the right eyes before the release:

https://community.ubnt.com/t5/EdgeRouter-Beta/BQL-support/m-p/2= 466657

This started a discussion, and no, so = far it looks like there=E2=80=99s no BQL support in the upcoming 2.0 = release.

For = my own benefit, re-reading the original patch series comment (https://lwn.net/Articles/469652/) makes it sound like BQL = is useful even without AQM (original benchmarks were done with straight = pfifo_fast). I didn=E2=80=99t realize this, actually. If anything = incorrect about BQL was said in this discussion, correct us, please=E2=80=A6= :)

Pete

= --Apple-Mail=_69FF6731-3430-4565-BF80-6EDC7B835679--