On Tue, Apr 5, 2011 at 5:38 PM, Jared Mauch <[email protected]> wrote: > > On Apr 4, 2011, at 4:30 PM, Jim Gettys wrote: > >> Note that the paper "Characterizing Residential Broadband Networks" by >> Dischinger, et. al. indicates that a large fraction (in their 2 year old >> sample, 30% or so) of broadband head ends are running without RED, and >> should be doing so if at all possible; alternatives are years out by the >> time they are tested and deployed, and operators running without it in >> congested systems are inflicting pain on their customers. > > Something I've observed is if you are sending data 'upstream' on the cable > modem setup i have (16 down/ 2 up) and you saturate the upstream, the > buffering destroys any downstream capability at the same time. I'm not even > sure where to start diagnosing to explaining this to the carrier involved, as > this isn't the desired behavior of a "business class" service. > > - Jared >
Isn't this just a case or prioritizing outbound ACKs? http://www.benzedrine.cx/ackpri.html -Proto
