Of course it misses out the first principle.

	in non discarding scheduling total delay is conserved, irrespective of the scheduling discipline

(there is a similar statement when discarding is taking place).

Neil


On 27 May 2014, at 09:21, Hagen Paul Pfeifer <hagen@jauu.net> wrote:

> Details are missing, like line card buffering mechanisms, line card
> buffer management, ... anyway:
> 
> http://blog.ipspace.net/2014/05/queuing-mechanisms-in-modern-switches.html
> 
> Hagen
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