Date: Wed, 9 Jul 2003 13:20:28 -0700 From: "Max Clark" <max.clark@media.net> To: "Dan Nelson" <dnelson@allantgroup.com> Cc: freebsd-hackers@freebsd.org Subject: RE: What ever happened with this? "eXperimental bandwidth delay product code" Message-ID: <ILENIMHFIPIBHJLCDEHKEEENCJAA.max.clark@media.net> In-Reply-To: <20030709194029.GM39506@dan.emsphone.com>
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Assuming zero (0) network latency what should I configure on my FreeBSD boxes to saturate a 6Mbit/s (750Kbyte/s) link? Thanks, Max -----Original Message----- From: Dan Nelson [mailto:dnelson@allantgroup.com] Sent: Wednesday, July 09, 2003 12:41 PM To: Max Clark Cc: freebsd-hackers@freebsd.org Subject: Re: What ever happened with this? "eXperimental bandwidth delay product code" In the last episode (Jul 09), Max Clark said: > > 6000000/8*.220 = 165Kbytes or 1.32Mbit/s > > I understand the BDP concept and the calculation to then generate the > tcp window sizes. What I don't understand is this... > > How in the world is a windows 2000 box running commercial software > able to push this link to 625KByte/s (5Mbit/s)???? Perhaps it defaults to a larger window size? You can easily verify this with tcpdump or ethereal. -- Dan Nelson dnelson@allantgroup.com
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