>>>>> "ec" == Eric Chan <bigeric@hknet.com> writes:
> does anyone has the experience of qos on incoming traffic. though i
> can use CAR, i think it is not a good method, because the bandwidth
> is reduced permanently rather than adjust accordingly with
> congestion avoidance control.
That's only true if you use CAR to *drop* excess traffic.
> I was told before congestion avoidance control such as WRED, queuing
> could not be applied to incoming traffic, so is there any other
> alternative ? thanks
The trick is to use CAR to "down-mark" excess traffic with a different
TOS/PREC/DSCP, and then use WRED to provide different drop preferences
for in-profile traffic than for out-of-profile (down-marked) traffic.
-- Simon.
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