From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x435.google.com (mail-pf1-x435.google.com [IPv6:2607:f8b0:4864:20::435]) (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 0C1FA3B2A4 for ; Thu, 29 Aug 2019 06:39:53 -0400 (EDT) Received: by mail-pf1-x435.google.com with SMTP id v12so1763233pfn.10 for ; Thu, 29 Aug 2019 03:39:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mounce.com.au; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=0KwzkGX16ahTRutBYPKCGsDshHwaf8cArTSGG/kEu4s=; b=hj9dHz8V86lcGYHu3oK22DHgsgEeGsfbPVz66o3giHDWk+rPKWJc+sdjpR9BCTkwYs +IqDN9CHTfwQBSh4sEi5fEEA+W7ZLN48i6rhlZjJ7mTRzN6I98xXErC0Mv1UvUitOkW6 n+WbZcctJXHjIwAx4eVJY7iEARJVy/iNYNR0nyRX6lKIWD7O4OPfO2c8uiejqhIMswcQ 5jBdt6yBn6uWeijblMq/SMzvuV6+hRHiAEv8oweKTMq0Zb/VmtQr70s/rI95ACehwBIq /wliwXt4BK5tJpWmY/tpqB6/DDA6qypycnIyYKiyV+OOK0PNAyJw7sAsPLTRaxGU5VFx 8RbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=0KwzkGX16ahTRutBYPKCGsDshHwaf8cArTSGG/kEu4s=; b=Dpbn4z951Jc/SkwuLM3SMGj1egMhKVHWyxo5axZ1wFRqM/EgJHmdMgVtppSVNNkq6O 3lxBih+UGIxX/8PTJChc2Hy0ZMeoykqPiYNJ3IaNY5/R52KvR6fxVxOyoBnYkQMOL7B6 xk8gbAnLk9MfZ0gN0p7HbXujdXTHobM86o9J4PTZIMYWV35nwfFcwt+YRhtwv7rPt7S1 kd3ITSdscw0IkNsbr0hlXSYRhwY5+IJt2ptTCVWZhmUHpi7llO8R12H1yWGV32VC2Wk1 rd+XqfZnbtEEKcaiBdgIDOBkAekiDk/9bTQQANjljjENAam5g+d4JTo0ksqta6vvYx3M sSng== X-Gm-Message-State: APjAAAU+FL9FreLfusgVhVA7M+SbNDQatz+eWOP5/mv1BdJKNHA8OqdR 7njdR7GuyYkqImZc1v4jFdvL4VtWeLXn7U/6+EmD/Q== X-Google-Smtp-Source: APXvYqwPvhSPB4B7/6skSjhjrPvr5qkpZ+xfsQSKisoeoBAelBdVdbjTAI4Ps2UMo9j0htW1kd2wY8K2fDgBs0l0q2A= X-Received: by 2002:a63:d301:: with SMTP id b1mr7549062pgg.379.1567075192071; Thu, 29 Aug 2019 03:39:52 -0700 (PDT) MIME-Version: 1.0 References: <4471314E-BACE-4EEA-B954-9795833764E3@ifi.uio.no> <95DAF9B7-8944-48D3-A4BD-A846CEAAF12B@ifi.uio.no> In-Reply-To: From: Ryan Mounce Date: Thu, 29 Aug 2019 20:09:41 +0930 Message-ID: To: Dave Taht Cc: Michael Welzl , ECN-Sane Content-Type: text/plain; charset="UTF-8" Subject: Re: [Ecn-sane] osx ecn X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2019 10:39:53 -0000 On Thu, 29 Aug 2019 at 09:15, Dave Taht wrote: > > Very cool, thank you for jailbreaking. > > I'm a little puzzled over the cwr/ece ratio? > > 25 times received congestion experienced (CE) notification > 37 times CWR was sent in response to ECE > 619 times sent ECE notification > 1029 connections received CE atleast once > > And um, er, while you are here busting your warranty for the sake of > science, I'm dying to know what > > netstat -I each_interface_you_have_especially_lte -qq > > shows. They have a really short queue and some form of flow control > and I've never seen anything trigger except though a vm https://gist.github.com/rmounce/dbb05a0bad40c9e37776d15b7d53bdc9 en0 is WiFi pdp_ip0 is LTE data pdp_ip1 is VoLTE This is an iPhone X w/ Qualcomm modem. FWIW I'm on Telstra, which was (is?) one of the few networks whitelisted by Apple for their cellular ECN experiment a few years ago.