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 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 > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat