Re: netperf & transmit path performance

From: Andrey Savochkin (saw@saw.sw.com.sg)
Date: Wed May 31 2000 - 20:45:42 EST


Hello,

On Wed, May 31, 2000 at 11:36:28AM -0400, Kallol Biswas wrote:
> Over a half duplex 10Mbps connection:
> TCP STREAM TEST to 198.168.10.67
> Recv Send Send Utilization Service Demand
> Socket Socket Message Elapsed Send Recv Send Recv
> Size Size Size Time Throughput local remote local remote
> bytes bytes bytes secs. 10^6bits/s % L % L us/KB us/KB
>
> 57344 57344 4096 300.07 6.96 3.52 2.16 41.461 101.728

In 10Mbps full-duplex you would see about 9Mbps actual throughput.
In half-duplex mode I doubt that you can gain larger numbers.
Half-duplex essentially halves you throughput.

Best regards
                                        Andrey V.
                                        Savochkin

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