100Mbit network performance - again

Andrew P. infofarmer at gmail.com
Wed Jul 27 09:45:38 GMT 2005

On 7/27/05, Nikolas Britton <nikolas.britton at gmail.com> wrote:
> On 7/26/05, Andrew P. <infofarmer at gmail.com> wrote:
> > Hello all!
> >
> > I remember being able to reach 11-12Mbytes/s between two Win95
> > workstations with NE2000 $10 NIC's installed, connected via BNC cable.
> > I am now able to reach 11-12Mbytes/s between all kinds of Windows
> > 2000/XP machines with all kinds of cheapest 100Mbit ethernet hardware.
> How is it possible to get "11-12Mbytes/s" from 10Base2? Redo your math
> ( 2(20) * 10 / 8 ) and you get an absolute of 1.31MB/s for 10Mbit
> Ethernet. BUT this number has no meaning in the real world! The
> theoretical maximum data throughput for a 10Mbps Ethernet system is
> 9.744MB/s using 1518 byte frames. The last time I checked Microsoft
> could only break anti-trust laws, not physics.
Oh, sorry. You probably can't get 100Mbit over BNC. I meant two combo
FastEthernet cards connected via UTP. The question was how can you
reach Windows-to-Windows performance between Windows and FreeBSD.

Andrew P.

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