From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bifrost.lang.hm (mail.lang.hm [64.81.33.126]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id E04B021F0D3 for ; Mon, 23 Mar 2015 10:08:35 -0700 (PDT) Received: from asgard.lang.hm (asgard.lang.hm [10.0.0.100]) by bifrost.lang.hm (8.13.4/8.13.4/Debian-3) with ESMTP id t2NH8XYh031219; Mon, 23 Mar 2015 09:08:33 -0800 Date: Mon, 23 Mar 2015 10:08:33 -0700 (PDT) From: David Lang X-X-Sender: dlang@asgard.lang.hm To: Jonathan Morton In-Reply-To: Message-ID: References: <08BAF198-87C5-42B8-8899-53F34E47156E@gmail.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: "cerowrt-devel@lists.bufferbloat.net" Subject: Re: [Cerowrt-devel] archer c7 v2, policing, hostapd, test openwrt build X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Mar 2015 17:08:36 -0000 On Mon, 23 Mar 2015, Jonathan Morton wrote: >> On 23 Mar, 2015, at 03:45, David Lang wrote: >> >> are we running into performance issues with fq_codel? I thought all the problems were with HTB or ingress shaping. > > Cake is, in part, a response to the HTB problem; it is a few percent more efficient so far than an equivalent HTB+fq_codel combination. It will have a few other novel features, too. > > Bobbie is a response to the ingress-shaping problem. A policer (with no queue) can be run without involving an IFB device, which we believe has a large overhead. Thanks for the clarification, I hadn't put the pieces together to understand this. David Lang