Is anyone actually USING IP QoS?
avg at kotovnik.com
Mon May 17 22:29:10 UTC 1999
Steve Riley (MCS) <steriley at microsoft.com> wrote:
>Nice to see that I'm not the only one believing in the foolishness of QoS
Er... me, agreeing with someone from Microsoft? Yeech! (just kidding :)
>Allow me to point you to an interesting paper called "Rise of the Stupid
Unfortunately that paper oversimplifies the whole congestion control
issue by completely ignoring the fact that data traffic has a
heavy-tailed distribution. Which pretty much means that no matter
how much capacity is there, as long as there's oversubscription
there will be at least transient traffic jams.
Which means that the issue of what to do with different types
of traffic when there's a congestion cannot be just pooh-poohed.
The big problem with G.711 and its progeny is the lack of effective
cooperative congestion control which would guarantee network stability
(like TCP does). Fortunately, the bulk of network traffic is
"canned" content, which can (and should) be transmitted with TCP.
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