Re: Why SFQ?

Andy Furniss
Mon, 31 Jul 2006 13:53:21 -0000

S.Mehdi Sheikhalishahi wrote:
> Hello,
>    Why linux users use SFQ as leaf queueing discipline instead of RED
> and other?
>

We don''t all - I guess alot of the examples do though.

SFQ does rough fairness for individual connections within a class -
nothing else does (well RED a bit). It does have less desireable aspects
like perturb causing packet reordering and not using perturb means its
less fair between flows.

Andy.