From: Hagen Paul Pfeifer <hagen@jauu.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev <netdev@vger.kernel.org>,
Yuchung Cheng <ycheng@google.com>,
Andreas Terzis <aterzis@google.com>, Mark Gordon <msg@google.com>
Subject: Re: [PATCH] netem: fix rate extension and drop accounting
Date: Wed, 4 Jul 2012 19:30:00 +0200 [thread overview]
Message-ID: <20120704173000.GC3455@nuttenaction> (raw)
In-Reply-To: <1341422601.2583.2393.camel@edumazet-glaptop>
* Eric Dumazet | 2012-07-04 19:23:21 [+0200]:
>I fear you did your tests with no delay on netem.
>
>Try to setup a rate of 100kbit and a delay of 100ms and to really get
>full bandwith (100kbit), I am afraid it doesnt work.
>
>Your algo is OK only if no packets are in queue (obviously)
>
>But if you have 2 or 3 packets, the delay are cumulative,
>but the delay should be a fixed bias for each packet.
Right, we did not test it with delay because we emulated satelite links.
Static delay was negligible. All delay was caused by a limited rate. ok, I
will look at this!
next prev parent reply other threads:[~2012-07-04 17:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-03 9:25 [PATCH] netem: fix rate extension and drop accounting Eric Dumazet
2012-07-03 9:54 ` Eric Dumazet
2012-07-03 22:04 ` Hagen Paul Pfeifer
2012-07-04 5:58 ` Eric Dumazet
2012-07-04 16:51 ` Hagen Paul Pfeifer
2012-07-04 17:23 ` Eric Dumazet
2012-07-04 17:30 ` Hagen Paul Pfeifer [this message]
[not found] ` <CAPVr9VP7DniPZj4vZi_myJWfL5JLYKYTXXtrXcKHo9LjEQzjYw@mail.gmail.com>
2012-07-16 23:26 ` Hagen Paul Pfeifer
2012-07-17 5:12 ` Eric Dumazet
[not found] ` <CAPVr9VMCYFO-7uEzO6ft2vpPhVvRgHB3EWJJG62OqGqux1LsZQ@mail.gmail.com>
2012-07-17 17:39 ` Eric Dumazet
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