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Date: Thu, 04 Dec 2008 11:54:16 -0800 (PST) From: David Miller <davem@...emloft.net> To: saverio.mascolo@...il.com Cc: ldecicco@...il.com, ilpo.jarvinen@...sinki.fi, netdev@...r.kernel.org Subject: Re: TCP default congestion control in linux should be newreno From: "Saverio Mascolo" <saverio.mascolo@...il.com> Date: Thu, 4 Dec 2008 20:05:22 +0100 > the rationale of VJ choice seems simple to me: if the window is > increased of one packet in one rtt, i can drop at most one packet in > one rtt and so i have to recover only one packet in one rtt (note that > rtt is the feedback reaction time). If cwnd is increased of N packets > i could drop N packets and i could need to recover N pkts. this is the > problem here. The bigger problem is that windows are so much larger now that going back to the stone ages and newreno recovery behavior is absolutely not an option any more. So "go back to newreno" is not a suggestion to be taken seriously. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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