From: Jason Boxman <jasonb@edseek.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] patch: HTB update for ADSL users
Date: Tue, 22 Jun 2004 21:52:22 +0000 [thread overview]
Message-ID: <200406221752.22712.jasonb@edseek.com> (raw)
In-Reply-To: <40D2D5CB.2000804@wildgooses.com>
On Tuesday 22 June 2004 06:00, Ed Wildgoose wrote:
<snip>
> Your upstream will be 256Kbits of ATM bandwidth. This consists of 53
> byte packets with 48 bytes of data. So you already only have 256 *
> 48/53 of real bandwidth. We then have to take off PPP headers and PPPoE
> headers.
<snip>
> We are obviously still a few bytes out with this patch or else you
> should be able to crank up the speed to 250 ish and still see your ping
> speeds stay low. I will investigate further
I guess I'm still missing the point. Isn't my _effective_ bandwidth still
entirely dependent on how big my PPP encapsulated packets are just prior to
being broken into streams of 53 byte ATM cells?
With the patch does HTB behave appropriately if it gets hit with mostly ~ 100
byte packets where you'd encounter around 30% of your ATM rate lost due to
the overhead of null byte padding?
> Ed W
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next prev parent reply other threads:[~2004-06-22 21:52 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-18 11:45 [LARTC] patch: HTB update for ADSL users Ed Wildgoose
2004-06-18 21:43 ` Andy Furniss
2004-06-18 23:00 ` Ed Wildgoose
2004-06-19 0:33 ` Andy Furniss
2004-06-19 12:29 ` Ed Wildgoose
2004-06-19 12:54 ` syrius.ml
2004-06-19 13:40 ` Ed Wildgoose
2004-06-20 7:27 ` Jason Boxman
2004-06-20 12:31 ` Andy Furniss
2004-06-20 13:16 ` Ed Wildgoose
2004-06-20 16:46 ` Ed Wildgoose
2004-06-20 17:10 ` Ed Wildgoose
2004-06-21 6:08 ` Jason Boxman
2004-06-21 10:04 ` Ed Wildgoose
2004-06-22 0:38 ` Damion de Soto
2004-06-22 5:15 ` Jason Boxman
2004-06-22 9:54 ` Ed Wildgoose
2004-06-22 10:00 ` Ed Wildgoose
2004-06-22 17:16 ` Jason Boxman
2004-06-22 21:52 ` Jason Boxman [this message]
2004-06-23 12:52 ` ThE LinuX_KiD
2004-06-23 14:00 ` Ed Wildgoose
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