From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-iy0-f171.google.com (mail-iy0-f171.google.com [209.85.210.171]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 91661201917 for ; Sun, 11 Dec 2011 17:27:27 -0800 (PST) Received: by iaen33 with SMTP id n33so12563300iae.16 for ; Sun, 11 Dec 2011 17:27:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=z6rfgdU/ngm9DDPV8/ReVqXbyuX+Nw2+Gs5ESmiTPwk=; b=D6l8zPbJ1Pv1SFJ6Bwbv5vpLQZ0NL9o8WIGWj+4Dq0osA3yGQUAd5oKrlRnWSNpvnl XvAN4UdK2eWT0lJf9G8qz7gFLlm+/WAacDppdCe8mifE9wAjLC5Qh5tErfHduyDi8ElT uhtgz03N2gIZzdl2RjSKI90L0BCw5X5X1Ep6c= MIME-Version: 1.0 Received: by 10.50.217.199 with SMTP id pa7mr7462777igc.48.1323653246367; Sun, 11 Dec 2011 17:27:26 -0800 (PST) Received: by 10.231.204.83 with HTTP; Sun, 11 Dec 2011 17:27:26 -0800 (PST) Date: Mon, 12 Dec 2011 02:27:26 +0100 Message-ID: From: Dave Taht To: cerowrt-devel@lists.bufferbloat.net, Rick Jones Content-Type: multipart/alternative; boundary=14dae93411018e370b04b3db09eb Subject: [Cerowrt-devel] going with a newer netperf 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, 12 Dec 2011 01:27:27 -0000 --14dae93411018e370b04b3db09eb Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable This is like, I think, the 9th email regarding future directions for cerowrt. I am off for a little vacation this week so don't expect a lot more from me. ... snip ... netperf has been my primary stream creation tool for a while, I find the TCP_STREAM, TCP_MAERTS, and TCP_RR tests very helpful. Rick Jones has been busy adding interesting features such as tos setting, priority setting, and most recently tcp congestion control setting over the past year. These changes have broken backward compatability with netperf 2.5, but moving forward in the next release cycle of cerowrt, I'm also willing to break backward compatability in order to more fully test the above features. I have no idea when Rick plans a new release, but I suppose he'd like some more testing himself. And: I'd also LOVE to find something that could compute "jain's fairness index" against packet captures of multiple streams. However, even that appears insensitive to sending mountainous waves of packets across the internet, so long as they are 'fair'. --=20 Dave T=E4ht SKYPE: davetaht US Tel: 1-239-829-5608 FR Tel: 0638645374 http://www.bufferbloat.net --14dae93411018e370b04b3db09eb Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable This is like, I think, the 9th email regarding future directions for cerowr= t. I am off for a little vacation this week so don't expect
a lot mo= re from me.

... snip ...

netperf has been my primary stream c= reation tool for a while, I find the TCP_STREAM, TCP_MAERTS, and TCP_RR tes= ts very helpful.

Rick Jones has been busy adding interesting features such as tos settin= g, priority setting, and most recently tcp congestion control setting over = the past year.

These changes have broken backward compatability with= netperf 2.5, but moving forward in the next release cycle of cerowrt,
I'm also willing to break backward compatability in order to more fully= test the above features. I have no idea when Rick plans
a new release, = but I suppose he'd like some more testing himself.

And:

I'd also LOVE to find something that could compute "jain's fai= rness index" against packet captures of multiple streams.

Howev= er, even that appears insensitive to sending mountainous waves of packets a= cross the internet, so long as they are 'fair'.

--
Dave T=E4ht
SKYPE: davetaht
US Tel: 1-239-829-5608
FR T= el: 0638645374
= http://www.bufferbloat.net
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