From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from uplift.swm.pp.se (swm.pp.se [212.247.200.143]) (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 59FBA21F2D2 for ; Sun, 25 May 2014 08:42:48 -0700 (PDT) Received: by uplift.swm.pp.se (Postfix, from userid 501) id 8F30F9C; Sun, 25 May 2014 17:42:44 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=swm.pp.se; s=mail; t=1401032564; bh=ddJI1Xu/TRbDihC7C8BupDLPYIvjmmcMAGLNxPzrnjw=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=ZP8PP91lRwlZy2jfuoLf4/NOGE+O3hQPtY4QgLhMMDSoPKifg/waXV8YBH8BhmTcE Jdjbz/LIa1rQmXEUVFOvI/wBRrIm20eYc49Ppjfrs58E5Cjx8Nit6Gir82gZcPvW/u Y1KYIl/EtnLWd6GJAK5FkjWZdpZOz87E00IH+ElI= Received: from localhost (localhost [127.0.0.1]) by uplift.swm.pp.se (Postfix) with ESMTP id 80D079A; Sun, 25 May 2014 17:42:44 +0200 (CEST) Date: Sun, 25 May 2014 17:42:44 +0200 (CEST) From: Mikael Abrahamsson To: Dane Medic In-Reply-To: Message-ID: References: User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) Organization: People's Front Against WWW MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: cerowrt-devel@lists.bufferbloat.net Subject: Re: [Cerowrt-devel] Ubiquiti QOS 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: Sun, 25 May 2014 15:42:48 -0000 On Sun, 25 May 2014, Dane Medic wrote: > Is it true that devices with less than 64 MB can't handle QOS? -> > https://lists.chambana.net/pipermail/commotion-dev/2014-May/001816.html At gig speeds you need around 50ms worth of buffering. 1 gigabit/s = 125 megabyte/s meaning for 50ms you need 6.25 megabyte of buffer. I also don't see why performance and memory size would be relevant, I'd say forwarding performance has more to do with CPU speed than anything else. -- Mikael Abrahamsson email: swmike@swm.pp.se