AW: [e2e] Queue size of routers

[Woojune Kim]

I think Sally Floyd's RED page had a comment on that drop from front or mark from front (as you are suggesting below) didn't improve RED performance that much as it kicks off early enough that any XXX-from-front improvements are minimal. (Of course my memory may be wrong, or I may have misunderstood. Best to goto Floyd's page dig for specifics.)

Woojune Kim

>ECN works even faster, because the simulated drops propagate 
>faster.   (in 
>fact, thinking about it, I wonder if flagging packets with ECN 
>from the 
>front of their queue (rather than the tail) would provide a faster 
>congestion notification that would be worthwhile trying...).
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