[altq 1198] Re: traffic shaping (fwd)

[Nicolas Christin <nicolas@cs.virginia.edu>]

> 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
k

	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.

	--Nick

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Nicolas Christin                        nicolas@cs.virginia.edu
Multimedia Networks Group               http://www.cs.virginia.edu/~nc2y
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