Date: Wed, 9 Jul 2003 14:02:14 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Max Clark <max.clark@media.net> Cc: freebsd-hackers@freebsd.org Subject: Re: What ever happened with this? "eXperimental bandwidth delay product code" Message-ID: <20030709190214.GL39506@dan.emsphone.com> In-Reply-To: <ILENIMHFIPIBHJLCDEHKAEEICJAA.max.clark@media.net> References: <20030709181859.GH39506@dan.emsphone.com> <ILENIMHFIPIBHJLCDEHKAEEICJAA.max.clark@media.net>
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In the last episode (Jul 09), Max Clark said: > When you say it's got a specific purpose, I am looking for something > that will dynamically tune a 6Mbit/s, 220ms network link for bulk > (500MB) file transfers. Is this what I think it is, or should I be > looking at something else? Unless you're doing multiple simultaneous TCP connections it'll only slow you down. Your bw*delay product is 6000000/8*.220 = 165Kbytes, so telling ncftp to set its so-bufsize to say 200K, and telling your ftp daemon to do the same thing, should be all you need. -- Dan Nelson dnelson@allantgroup.com
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