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From: "John W. Linville" <linville@tuxdriver.com>
To: Albert Cahalan <acahalan@gmail.com>
Cc: Hagen Paul Pfeifer <hagen@jauu.net>,
	Jussi Kivilinna <jussi.kivilinna@mbnet.fi>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Mikael Abrahamsson <swmike@swm.pp.se>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	netdev@vger.kernel.org
Subject: Re: txqueuelen has wrong units; should be time
Date: Mon, 28 Feb 2011 12:45:18 -0500	[thread overview]
Message-ID: <20110228174517.GD2515@tuxdriver.com> (raw)
In-Reply-To: <AANLkTimh1xWU9V9phOKZZMgOWKOmDDSBYfofnnOjjRh=@mail.gmail.com>

On Mon, Feb 28, 2011 at 11:37:45AM -0500, Albert Cahalan wrote:

> Keeping the timeout really low is important because it isn't
> OK to eat up all the latency tolerance in one hop. You have
> an end-to-end budget of 20 ms for usable GUI rubber banding.
> The budget for gaming is about 80 and for VoIP is about 150.

Oooh, numbers! :-)

Where can I find estimates on average hop counts for internet
connections?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@tuxdriver.com			might be all we have.  Be ready.

  reply	other threads:[~2011-02-28 17:45 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-27  5:44 txqueuelen has wrong units; should be time Albert Cahalan
2011-02-27  7:02 ` Mikael Abrahamsson
2011-02-27  7:54   ` Eric Dumazet
2011-02-27  8:27     ` Albert Cahalan
2011-02-27 10:55       ` Jussi Kivilinna
2011-02-27 20:07         ` Eric Dumazet
2011-02-27 21:32           ` Jussi Kivilinna
2011-02-28 11:43           ` Jussi Kivilinna
2011-02-28 13:10             ` Eric Dumazet
2011-02-28 18:31               ` Jussi Kivilinna
2011-02-28 16:11           ` John W. Linville
2011-02-28 16:48             ` Eric Dumazet
2011-02-28 16:55               ` John W. Linville
2011-02-28 17:18                 ` Eric Dumazet
2011-02-28 21:45                 ` John Heffner
2011-03-01  4:11                   ` Albert Cahalan
2011-03-01  4:18                     ` David Miller
2011-03-01  6:54                       ` Albert Cahalan
2011-03-01  7:25                         ` David Miller
2011-03-01  7:26                         ` Eric Dumazet
2011-03-01 19:37                           ` Albert Cahalan
2011-03-01 20:14                             ` Eric Dumazet
2011-03-01 20:16                               ` Eric Dumazet
2011-03-02  3:10                           ` Mikael Abrahamsson
2011-03-02 20:25                             ` Chris Friesen
2011-03-01  5:01                     ` Eric Dumazet
2011-03-01  5:36                       ` Eric Dumazet
2011-02-27 23:33         ` Albert Cahalan
2011-02-28 11:23           ` Jussi Kivilinna
2011-03-02 21:54             ` [RFC LOL OMG] pfifo_lat: qdisc that limits dequeueing based on estimated link latency John W. Linville
2011-03-02 22:08               ` John W. Linville
2011-03-03 12:51               ` Eric Dumazet
2011-02-28 15:38           ` txqueuelen has wrong units; should be time Hagen Paul Pfeifer
2011-02-28 16:37             ` Albert Cahalan
2011-02-28 17:45               ` John W. Linville [this message]
2011-02-28 17:20             ` Bill Sommerfeld
2011-02-28 21:51               ` John Heffner
2011-03-01  0:46                 ` Mikael Abrahamsson
2011-03-02  6:25                   ` Stephen Hemminger
2011-03-02  6:41                     ` Mikael Abrahamsson
2011-03-02  7:07                       ` Stephen Hemminger
2011-03-02 16:41                         ` Mikael Abrahamsson
2011-03-02 16:50                           ` Eric Dumazet

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