From owner-freebsd-net  Sat May 26 12:52:23 2001
Delivered-To: freebsd-net@freebsd.org
Received: from thor.oit.pdx.edu (thor.oit.pdx.edu [131.252.120.40])
	by hub.freebsd.org (Postfix) with ESMTP
	id 3BC1537B422; Sat, 26 May 2001 12:52:17 -0700 (PDT)
	(envelope-from singh@pdx.edu)
Received: from freke.odin.pdx.edu (freke.odin.pdx.edu [131.252.120.43])
	by thor.oit.pdx.edu (8.11.1/8.11.1) with ESMTP id f4QJqGc26502;
	Sat, 26 May 2001 12:52:16 -0700 (PDT)
Received: from localhost (singh@localhost)
	by freke.odin.pdx.edu (8.11.1/8.11.1) with ESMTP id f4QJqGM19699;
	Sat, 26 May 2001 12:52:16 -0700 (PDT)
X-Authentication-Warning: freke.odin.pdx.edu: singh owned process doing -bs
Date: Sat, 26 May 2001 12:52:15 -0700 (PDT)
From: Harkirat Singh <singh@pdx.edu>
X-X-Sender:  <singh@freke.odin.pdx.edu>
To: "Justin C.Walker" <justin@mac.com>
Cc: <freebsd-net@FreeBSD.ORG>,
	"<freebsd-questions@FreeBSD.ORG>" <freebsd-questions@FreeBSD.ORG>
Subject: Re: UDP - Reliable throughput mesaurement
In-Reply-To: <20010526193825.VXQR16646.femail4.sdc1.sfba.home.com@grinch>
Message-ID: <Pine.GSO.4.31.0105261246550.19467-100000@freke.odin.pdx.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-net@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-net.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo?subject=subscribe%20freebsd-net>
List-Unsubscribe: <mailto:majordomo?subject=unsubscribe%20freebsd-net>
X-Loop: FreeBSD.org


Thanks for your reply, I looked at Netpref and that even I used for
measuring thruput in case of TCP. I felt that instead of writing my own
reliable application over UDP I would use some standard mesaurement tool.

In Netperf they have a option called "UDP_RR" UDP Request/Reply, will this
take care of loss? I feel that there must be some tool which I am not
aware of.

Regards,

Harkirat

On Sat, 26 May 2001, Justin C.Walker wrote:

>
> On Saturday, May 26, 2001, at 12:24 PM, Harkirat Singh wrote:
>
> >
> > I specifically want to see the performance of UDP in lossy
> > channel, I am
> > sure there must be some tool to measure it, I doing a kind of study and
> > want to analyse TCP vs. UDP!
>
> If you want to measure the performance of these two protocols, use
> 'netperf'.  It provides several options for looking at performance.
>
> Your original message indicated you wanted a tool that provides a
> reliable layer on UDP, which, obviously, is not the same thing.
> Which do you want?  UDP or a reliable datagram protocol?
>
> Regards,
>
> Justin
>
> ---
> Justin C. Walker, Curmudgeon-At-Large  *
> Institute for General Semantics        |
> Director of Technology                 | It's not whether you win
> or lose...
> Nexsi Systems Corp.                    |  It's whether *I* win or lose.
> 1959 Concourse Drive                   |
> San Jose, CA  95131                    |
> *--------------------------------------*-------------------------------*
>
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-net" in the body of the message
>


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-net" in the body of the message