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North American Network Operators Group

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Re: Link capacity upgrade threshold

  • From: Aaron J. Grier
  • Date: Tue Sep 01 15:19:19 2009

On Tue, Sep 01, 2009 at 11:55:45AM +0100, Paul Jakma wrote:
> 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?

do any router vendors provide something akin to hardware latches to keep
track of highest buffer fill levels?  poll as frequently/infrequently as
you like...

-- 
  Aaron J. Grier | "Not your ordinary poofy goof." | agrier@xxxxxxxxxxxxx





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