From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) (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 70ACF3BA8E for ; Thu, 6 Sep 2018 14:42:30 -0400 (EDT) Received: from hms-beagle2.lan ([79.192.247.215]) by mail.gmx.com (mrgmx002 [212.227.17.190]) with ESMTPSA (Nemesis) id 0LxgHz-1fnI352nLn-017HJ7; Thu, 06 Sep 2018 20:42:28 +0200 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Sebastian Moeller In-Reply-To: Date: Thu, 6 Sep 2018 20:42:27 +0200 Cc: Pete Heist , Cake List Content-Transfer-Encoding: quoted-printable Message-Id: References: <3E647031-D865-41B1-9C3A-6D34DB291005@heistp.net> To: =?utf-8?Q?Dave_T=C3=A4ht?= X-Mailer: Apple Mail (2.3445.9.1) X-Provags-ID: V03:K1:uem02SHyOrErsobXeBNQ4kmhqyFZvXjgFM5TA4qfqXeAGJKI6gw LO3wMQ6iDmcH75Lz6y6MuUUwg9PbYWRa1Mb7K49bDL8BxW+Pyw2T5ykoZAz8NUBcCBjP1y1 llmgwxA/6juDAQSKnB2hMAVrBjufufGSz0LN4SU9xTzJMqffZn6aqr1vKj3NX7dt6rCc+GM mgQqzn1Q2mznelnHKqDKQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:PMKCCR93vGw=:CfwUUdVqHztCaG/nmDjRtt Oxo5OcdgXTFbla5I0Zy0HQN8YtRU7qXW7EsHCiM99oA4pPlQbiBZOJDS1GzzDoNKqsBjyDbV7 tkYCmW74oj2/2KV/GdwaXe3hAH8qsSVO8tr//T6IA8rEA2boiqj+Ex/H0M4jZbihPZKU4pZZO cpFbrGbVrPwHOd/fIphSwniPbUBaYMo6ZrzPsRawfuBe+y42XAROpM+H0a+KhOhIQU512nLpS 0gol7D/ODOsEqmJR2976u/bzbWlpWP9bIXnZLISH8GV0lIySHAtfZ94ZIyWIQnM9CF1+jIPI5 KS1+AgY2SRPwsyRaAAW5GVSYcqxOxFHgmwzDFSssBm/iALk0bZ7k9hY1yTsCDatSywDYKxCcs dYmzPdUPWTAdWLX6LHZCbUiC3ojML2Gb52wYGpguGpETwWvhi1zZBMtCOTP/KvqX+CSNpPwAn qxriXtPmc/es09rywX7LzBC46y22F4SQ5XgaA1ppCquFAvboqPJE+FGlaEKOZl0dBJQVzFGDJ 4ni5OmJ1nK2SSQ21bFSIuECwDhrX+zcObRbshUYmHlKAAXoUTdd9qRp4v17K4oZXNdPHsvyZV /d9trFgXbI2NIcr3gRZNQgnpmQUQbKuYcXo6+YcUsCG9B0cPLA4a094TryYPECwKVGOU8LhS5 fyy0O9G2RAOA+pyy3D2SEjDlQZj0RGL63NutuqTsKkV3Wc4hM5DDDVkVr7Tzx20aHVB0jdnue yrz/L+FbKagBn/BHjNBf/oQUuNxY/kDc/WSwRwCHa57p25UmKnmcOzkfFxCMhrYuQVs4QZwFv O3b1GYZ Subject: Re: [Cake] fq_codel_fast X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Sep 2018 18:42:30 -0000 That means that the conntrack numbers give an upper bound, no? Best Regards Sebastian > On Sep 6, 2018, at 20:40, Dave Taht wrote: >=20 > re: conntrack - I think the udp standard for holding a hole punch open > is 2-3 minutes. I've > seen 30 sec or less in the field. >=20 > On Thu, Sep 6, 2018 at 11:36 AM Pete Heist wrote: >>=20 >>=20 >>> On Sep 6, 2018, at 7:22 PM, Dave Taht wrote: >>>=20 >>> There was a very good paper or two (I think luca co-authored one) = that >>> showed that "active flows" were generally measured in the mid 200s = in >>> nearly any scenario. I agreed with that which was in part why I felt >>> we could stick >>> with 1024 queues, a direct mapped hash, and a couple collisions. >>=20 >> So I=E2=80=99m not sure if this is a great way to gauge active flow = counts through a router, but at 8pm: >>=20 >> root@FreeNetVysina:~# grep ESTABLISHED /proc/net/ip_conntrack | wc -l >> 446 >> FreeNetJerab:~# grep ESTABLISHED /proc/net/ip_conntrack | wc -l >> 181 >> FreeNetOldrichova:~# grep ESTABLISHED /proc/net/ip_conntrack | wc -l >> 228 >>=20 >> Far from my estimate of tens. Many of those can be idle connections, = I suspect. 60-80% of them are http/s. >>=20 >=20 >=20 > --=20 >=20 > Dave T=C3=A4ht > CEO, TekLibre, LLC > http://www.teklibre.com > Tel: 1-669-226-2619 > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake