<div dir="ltr"><div class="gmail_extra">Source Quench had the problem right but the solution wrong. If a packet was discarded because of congestion, it was not clear that the party sending THAT packet was the source of congestion. Even if the source backed off, it might still not be solving the problem if the real source of the congestion was a different packet stream. </div>
<div class="gmail_extra"><br></div><div class="gmail_extra">Random dropping had a better probability of "hitting" the real source of congestion but it was still "hit or miss"</div><div class="gmail_extra">
<br></div><div class="gmail_extra">If there is a solution it may lie in monitoring specific flows - this is something that some routers now do. </div><div class="gmail_extra"><br></div><div class="gmail_extra">v</div><div class="gmail_extra">
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