Re: DAST: Iperf - Large differences in measured throughput ttcp compared to iperf - Knut.Hellebo --at-- nho.hydro.com
> >Question/Comment:
> >Regards,
> >
> >I have used iperf and ttcp and the throughput numbers obtained differ
> wastly. How can this be ? Here are some examples (server is a GigE linux
> box, client is a GigE IRIX box)
Having worked on the code of both I would say trust iperf. ttcp is
problematic especially for short time intervals like you had here at
times <0.2 sec. I would say in general you should measure performance
over a bigger time period anyway....
Ian
--
Ian McDonald
Web: http://wand.net.nz/~iam4
Blog: http://imcdnzl.blogspot.com
WAND Network Research Group
Department of Computer Science
University of Waikato
New Zealand