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[altq 1199] Re: traffic shaping (fwd)
On Sun, Nov 25, 2001 at 02:09:14PM -0500, Nicolas Christin wrote:
> > Machine X ------- A.Router.B ------- Machine Y
> > With AltQ on Router you can shape the traffic going from X to Y and
> > vice-versa, independently :
> > - for streams coming from X to Y, you shape it while it's outgoing on
> > interface Router.B.
> > - for streams coming from Y to X, you shape it while it's outgoing on
> > interface Router.A.
> That's understood. But that's almost never the case in a real
> testbed, you always have stuff like
> Machine X1 \ / Machine Y1
> Machine X2 - (hub/switch) - Router 1 - (hub/switch) - Router 2
> ... ...
> Machine Xn / \ Machine Ym | Router
> So, while I agree that you can emulate input queuing with your
> setup, my point is that the type of setup you describe isn't realistic,
> and that in a realistic setup, you can't use ALTQ to shape input traffic.
What's stopping you from doing the exact same thing on "Router 1" ?
As long as you have two interfaces, you can shape incoming traffic as
well as outgoing traffic. In fact in your drawing, there's no 'in' and
'out'... ALTQ on a router let you shape traffic going *through* the