netdev
[Top] [All Lists]

Re: [PATCH 2.6] update to network emulation QOS scheduler

To: Stephen Hemminger <shemminger@xxxxxxxx>
Subject: Re: [PATCH 2.6] update to network emulation QOS scheduler
From: jamal <hadi@xxxxxxxxxx>
Date: 07 Jul 2004 17:11:39 -0400
Cc: "David S. Miller" <davem@xxxxxxxxxx>, Catalin BOIE <util@xxxxxxxxxxxxxxx>, netdev@xxxxxxxxxxx, lartc@xxxxxxxxxxxxxxx
In-reply-to: <20040707135831.4c98dd51@xxxxxxxxxxxxxxxxxxxxx>
Organization: jamalopolis
References: <20040701113312.43cfe6c5@xxxxxxxxxxxxxxxxxxxxx> <20040702134437.5891e998@xxxxxxxxxxxxxxxxxxxxx> <1088824432.1043.271.camel@xxxxxxxxxxxxxxxx> <20040707111055.32ebb25b@xxxxxxxxxxxxxxxxxxxxx> <1089226667.1027.411.camel@xxxxxxxxxxxxxxxx> <20040707135831.4c98dd51@xxxxxxxxxxxxxxxxxxxxx>
Reply-to: hadi@xxxxxxxxxx
Sender: netdev-bounce@xxxxxxxxxxx
On Wed, 2004-07-07 at 16:58, Stephen Hemminger wrote:

> TBF works but since the sender (on the same local machine) may go over 
> it's allocation, it will drop packets.

As should any queue that gets congested.

> For example, if I use tbf to simulate a slow 33k bits/sec link then 
> TCP test never
> completes, it just hangs!  TBF does work for intermediate sizes.
> 
> But if I use the pacing simulation it works.

I am not sure i follow; is this because of the return code from the
enqueue?

cheers,
jamal


<Prev in Thread] Current Thread [Next in Thread>