[117088] in North American Network Operators' Group

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Re: Link capacity upgrade threshold

daemon@ATHENA.MIT.EDU (Paul Jakma)
Tue Sep 1 06:57:04 2009

Date: Tue, 1 Sep 2009 11:55:45 +0100 (BST)
From: Paul Jakma <paul@jakma.org>
To: Nick Hilliard <nick@foobar.org>
In-Reply-To: <4A9A7011.1010908@foobar.org>
Mail-Copies-To: paul@jakma.org
Mail-Followup-To: paul@jakma.org
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On Sun, 30 Aug 2009, Nick Hilliard wrote:

> In order to get a really good idea of what's going on at a 
> microburst level, you would need to poll as often as it takes to 
> fill the buffer of the port in question.  This is not feasible in 
> the general case, which is why we resort to hacks like QoS to make 
> sure that when there is congestion, it is handled semi-sensibly.

Or some enterprising vendor could start recording utilisation stats?

regards,
-- 
Paul Jakma	paul@jakma.org	Key ID: 64A2FF6A
Fortune:
Try to value useful qualities in one who loves you.


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