From owner-freebsd-ipfw@FreeBSD.ORG Fri Mar 11 06:06:04 2005 Return-Path: Delivered-To: freebsd-ipfw@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8336416A4CE for ; Fri, 11 Mar 2005 06:06:04 +0000 (GMT) Received: from wproxy.gmail.com (wproxy.gmail.com [64.233.184.202]) by mx1.FreeBSD.org (Postfix) with ESMTP id 10B9243D1D for ; Fri, 11 Mar 2005 06:06:04 +0000 (GMT) (envelope-from jingmin.song@gmail.com) Received: by wproxy.gmail.com with SMTP id 68so910842wri for ; Thu, 10 Mar 2005 22:06:03 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=ECN+W/VdFbLSCa2REh1diGdQRbipJOPVP7wEySLc1eeU3XEmVT7dnzUBGDl4FmY5sh5aGSeqsQCIlNCYCwaNj61946iD5V4Q/rLS59hcs2ZrOFxGKQ38dTy185GB5C8OruSFEmLeCb65zz7zMfNCoF9NJy0ij2aJMtJdkjH+kts= Received: by 10.54.10.39 with SMTP id 39mr2346688wrj; Thu, 10 Mar 2005 22:06:02 -0800 (PST) Received: by 10.54.15.8 with HTTP; Thu, 10 Mar 2005 22:06:02 -0800 (PST) Message-ID: Date: Fri, 11 Mar 2005 14:06:02 +0800 From: jim song To: Luigi Rizzo In-Reply-To: <20050310215250.A65126@xorpc.icir.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <20050311043933.GA28686@odin.ac.hmc.edu> <20050310215250.A65126@xorpc.icir.org> cc: Brooks Davis cc: freebsd-ipfw@freebsd.org Subject: Re: why my dummynet queue not work? X-BeenThere: freebsd-ipfw@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: jim song List-Id: IPFW Technical Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Mar 2005 06:06:04 -0000 Luigi, I think what you said is the working window. It could be different to the initial window I set for the tcp stream. Tcp should get full bandwidth throughput in such circumstance. But in my testing, tcp window has retreated from 5M window to 640K. That is the problem. Am I right? Thanks, --Jim