From owner-freebsd-current@FreeBSD.ORG Sat Sep 30 08:54:13 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6B5E616A412 for ; Sat, 30 Sep 2006 08:54:13 +0000 (UTC) (envelope-from pyunyh@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.176]) by mx1.FreeBSD.org (Postfix) with ESMTP id CF03643D46 for ; Sat, 30 Sep 2006 08:54:11 +0000 (GMT) (envelope-from pyunyh@gmail.com) Received: by py-out-1112.google.com with SMTP id o67so1540635pye for ; Sat, 30 Sep 2006 01:54:11 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:date:from:to:cc:subject:message-id:reply-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=KLO3h/HTgvTe9WXv+h+7xtVgj874EVmhZ7RIja+RQKNxLxPp0CZfSUwPNmz2NFJSDmMNeORVVj6GCgbTRQUc3bZHAaE2aWeJrs0NDBABTmOo0ncq/RzgeIHm5luAV2uZEe36HNUaPo/k4+Re5fKFcH/5dhC/SpW/r/hcs8a5z7w= Received: by 10.35.53.18 with SMTP id f18mr8034608pyk; Sat, 30 Sep 2006 01:54:11 -0700 (PDT) Received: from michelle.cdnetworks.co.kr ( [211.53.35.84]) by mx.gmail.com with ESMTP id 20sm1566019nzp.2006.09.30.01.54.08; Sat, 30 Sep 2006 01:54:10 -0700 (PDT) Received: from michelle.cdnetworks.co.kr (localhost.cdnetworks.co.kr [127.0.0.1]) by michelle.cdnetworks.co.kr (8.13.5/8.13.5) with ESMTP id k8U8tDgQ034643 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 30 Sep 2006 17:55:13 +0900 (KST) (envelope-from pyunyh@gmail.com) Received: (from yongari@localhost) by michelle.cdnetworks.co.kr (8.13.5/8.13.5/Submit) id k8U8t67w034642; Sat, 30 Sep 2006 17:55:06 +0900 (KST) (envelope-from pyunyh@gmail.com) Date: Sat, 30 Sep 2006 17:55:06 +0900 From: Pyun YongHyeon To: Randall Stewart Message-ID: <20060930085506.GA32513@cdnetworks.co.kr> References: <451D5801.8030504@cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <451D5801.8030504@cisco.com> User-Agent: Mutt/1.4.2.1i Cc: Peter Lei , Michael Tuexen , Robert Watson , "George V. Neville-Neil" , freebsd-current@freebsd.org Subject: Re: Some interesting plots X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: pyunyh@gmail.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Sep 2006 08:54:13 -0000 On Fri, Sep 29, 2006 at 01:29:37PM -0400, Randall Stewart wrote: > All: > > As you all may know I have been working on getting SCTP > into Current.. > > I have been, of late, trying to tweak things to get > the BEST performance out of the implementation... > > I have moved my testing off between two 7.0 machines.. same > code base on each updated Sep 25. > > One is a 2.8Gig Dell SC1600 Xeon.. (hyper threaded CPU). > The other is a P4D (2.8Gig .. slightly faster, true dual > processor machine). > > They are connected by two intel EM server cards like so: > > > +----+ +----+ > 1 | em1 <---------------------> em0 | 2 > | em0 <-----locallan--------> msk0| > | dc0 <-Direct Inet | > +----+ +-----+ > > > em1 has 10.1.2.12 em0 10.1.2.21 > em0 has 10.1.1.12 msk0 10.1.1.21 > [...] > One other note, I see TCP is only getting 250Meg or so on the > same test (It can run either).. now it used to get close to > the full pipe (Gigbit).. so is there some issue with the new code > that was recently submitted? > I'm not sure but it seems that you've used experimental msk(4) on CURRENT. ATM msk(4) has Rx performance issue. So if you get very poor receive performance it would be msk(4) issue. -- Regards, Pyun YongHyeon