From: Mitch K. <mi...@nc...> - 2005-10-26 20:21:27
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>Date: Wed, 26 Oct 2005 12:39:56 -0500 >To: pau...@md... >Subject: DAST: Iperf - Windows vs. Linux IPERF 1.7 Differences - paul.j.fong --at-- mdnt.com > > >Contacting DAST re: Bug report about Iperf >From: Paul Fong <paul.j.fong --at-- mdnt.com> > >Subject: Windows vs. Linux IPERF 1.7 Differences > >Question/Comment: >Using the same network test bed with 100-Mbps Ethernet links and 8-Mbps ATM PVC's, I ran multicast test cases using: >(1) IPERF 1.7 on a pair of Linux Dell rack-mounted PC's, and >(2) IPERF 1.7 on a pair of Windows XP IBM laptops. > >Via Linux IPERF, I can generate a multicast stream up to 6.3 Mbps without errors or data loss. >Via Windows IPERF, I can generate a multicast stream up to 5.5 Mbps without errors or data loss. > >While there are differences in the source and receiving PC's, the data rates are low enough that the hardware differences should not be important. What else may account for such a performance difference between the Linux and Windows version of IPERF? Is this a known problem? > > -- Mitch Kutzko | mi...@da... | mi...@nc... | 217-333-1199 Project: http://dast.nlanr.net | Personal: http://hobbes.ncsa.uiuc.edu |