From: Hagen Paul Pfeifer <hagen@jauu.net>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>,
David Miller <davem@davemloft.net>,
Dave Taht <dave.taht@gmail.com>,
"John A. Sullivan III" <jsullivan@opensourcedevel.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next] netem: fix classful handling
Date: Thu, 29 Dec 2011 18:43:24 +0100 [thread overview]
Message-ID: <20111229174323.GC2948@hell> (raw)
In-Reply-To: <1325178950.2607.46.camel@edumazet-laptop>
* Eric Dumazet | 2011-12-29 18:15:50 [+0100]:
>> In other words netem jitter and a qdisc !tfifo will not work. Correct? The
>> rate extension also peak the last packet to get the reference time (assuming a
>> strict ordering):
>>
>
>Yep, current situation is borked. It assumes we _use_ tfifo, for delay
>jitters but also for rate extension.
Mhh, should we signal this to the user via 'tc -s qdisc show'? Or should we
assume that a user who set netem rate|jitter AND a qdisc !tfifo knows what he
does - because we assume he is a experienced user? At least somewhere in the
manpage a comment should point to this characteristic.
next prev parent reply other threads:[~2011-12-29 17:43 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-18 5:12 netem and hierarchical ingress traffic shaping John A. Sullivan III
2011-12-18 19:55 ` Stephen Hemminger
2011-12-19 16:53 ` John A. Sullivan III
2011-12-23 17:33 ` Eric Dumazet
2011-12-23 17:39 ` Eric Dumazet
2011-12-23 17:54 ` Dave Taht
2011-12-23 18:28 ` Eric Dumazet
2011-12-23 18:54 ` Dave Taht
2011-12-23 19:07 ` Stephen Hemminger
2011-12-23 19:21 ` Eric Dumazet
2011-12-29 4:26 ` [PATCH net-next] netem: fix classful handling Eric Dumazet
2011-12-29 6:17 ` Stephen Hemminger
2011-12-29 9:12 ` Eric Dumazet
2011-12-29 16:52 ` Hagen Paul Pfeifer
2011-12-29 17:15 ` Eric Dumazet
2011-12-29 17:43 ` Hagen Paul Pfeifer [this message]
2011-12-29 18:10 ` Eric Dumazet
2011-12-29 18:25 ` Hagen Paul Pfeifer
2011-12-29 18:31 ` Stephen Hemminger
2011-12-29 18:36 ` Eric Dumazet
2011-12-30 22:12 ` David Miller
2011-12-23 19:36 ` netem and hierarchical ingress traffic shaping David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20111229174323.GC2948@hell \
--to=hagen@jauu.net \
--cc=dave.taht@gmail.com \
--cc=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=jsullivan@opensourcedevel.com \
--cc=netdev@vger.kernel.org \
--cc=shemminger@vyatta.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.