From: d@taht.net (Dave Täht)
To: grenville armitage <garmitage@swin.edu.au>
Cc: bloat-devel <bloat-devel@lists.bufferbloat.net>,
bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] Progress with latency-under-load tool
Date: Sun, 20 Mar 2011 14:53:24 -0600 [thread overview]
Message-ID: <871v21fr97.fsf@cruithne.co.teklibre.org> (raw)
In-Reply-To: <4D8664A9.5060805@swin.edu.au> (grenville armitage's message of "Mon, 21 Mar 2011 07:33:45 +1100")
grenville armitage <garmitage@swin.edu.au> writes:
> On 03/20/2011 21:45, Jonathan Morton wrote:
> [..]
>> Here are some numbers I got from a test over a switched 100base-TX LAN:
>>
>> Upload Capacity: 1018 KiB/s
>> Download Capacity: 2181 KiB/s
>> Link Responsiveness: 2 Hz
>> Flow Smoothness: 1 Hz
>>
>> Horrible, isn't it? I deliberately left these machines with standard
>> configurations in order to show that.
>
> Perhaps a tangential 2 cents from me, but I'm unclear how helpful
> Hertz is as a unit of measurement for the challenge of raising
> awareness of bufferbloat. I suspect data networking people (whether
> network designers, admins, product managers, etc) don't think of IP
> networks as having characteristics measured in Hertz. And I'd imagine
> most ISP helpdesks wont know how to parse customer complaints along
> the lines of "your service doesn't give me enough Hertz". Perhaps
> your tool could also add a parenthetical 'translation' of the
> responsiveness and smoothness values into something expressed in
> milliseconds?
Concur. And resolution past 3 significant digits from there seems
possible with posix timers. I regret that I have not had time to look
over the code yet this weekend.
How'd they do debloated?
>
> cheers,
> gja
> _______________________________________________
> Bloat-devel mailing list
> Bloat-devel@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/bloat-devel
--
Dave Taht
http://nex-6.taht.net
next prev parent reply other threads:[~2011-03-20 20:53 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-16 2:31 Jonathan Morton
2011-03-16 17:12 ` Rick Jones
2011-03-17 23:38 ` grenville armitage
2011-03-19 17:44 ` Jonathan Morton
2011-03-20 10:45 ` Jonathan Morton
2011-03-20 20:33 ` grenville armitage
2011-03-20 20:53 ` Dave Täht [this message]
2011-03-20 21:52 ` Jonathan Morton
2011-03-20 22:32 ` Dave Täht
2011-03-20 22:47 ` Dave Täht
2011-03-20 22:52 ` Jonathan Morton
2011-03-20 22:55 ` Dave Täht
2011-03-20 23:42 ` Dave Täht
2011-03-20 21:50 ` [Bloat] Some results of the latency under load tool Dave Täht
2011-03-20 22:24 ` Jonathan Morton
[not found] ` <m3d3llgln8.fsf@yahoo.com>
2011-03-21 6:43 ` [Bloat] Progress with latency-under-load tool Jonathan Morton
2011-03-22 1:13 ` Kim Hawtin
2011-03-22 7:10 ` Jonathan Morton
2011-03-23 10:33 ` Otto Solares Cabrera
2011-03-23 11:26 ` Jonathan Morton
2011-03-23 19:27 ` Otto Solares
2011-03-23 20:40 ` Jonathan Morton
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