I was thinking about this today. If I have a symmetric 50 Mbps from my ISP, and implementing something like CBWFQ, is it really possible to properly schedule that traffic in a way that preserves some traffic for class A vs. class B for example?
My thought is, if 50 Mbps of class A traffic is coming in, there's nothing that can be done on the WAN interface to give any bandwidth to class B because class A traffic is saturating the 50 Mbps from the ISP.
TCP I could see working because of the ACKs, but I'm not so sure on UDP. Am I missing something or is what I'm saying making sense?
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