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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;-webkit-line-break: after-white-space'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’d have to look, I don’t think so.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>One thing I forgot to mention was the policer.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I used default Cisco settings, 10 Mbps CIR and bc = 312,500 bytes.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When I increased bc to max as suggested by Anil (1,000,000 bytes), the 64 KB scenario worked perfectly but 128 KB still poorly.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Barry<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Alexander Zimmermann [mailto:alexander.zimmermann@comsys.rwth-aachen.de] <br><b>Sent:</b> Wednesday, August 17, 2011 9:31 AM<br><b>To:</b> Barry Constantine<br><b>Cc:</b> Agarwal, Anil; anil@cmmacs.ernet.in; end2end-interest@postel.org<br><b>Subject:</b> Re: [e2e] TCP Performance with Traffic Policing<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Barry,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>from a quick look of your Linux 64/128 dumps I would say your setup is broken.<o:p></o:p></p></div><div><p class=MsoNormal>The trace is highly bursty. Do you have a delay on the reverse path? I guess no...<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Alex<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Am 17.08.2011 um 14:56 schrieb Barry Constantine:<o:p></o:p></p></div><p class=MsoNormal><br><br><o:p></o:p></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Alexander,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I could not read your encrypted email.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I saw the email from the postel-moderator and assume the attachment did not go through.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>This is the dropbox link to the zip file:</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://dl.dropbox.com/u/10123514/Linux%20versus%20XP%20versus%20Windows7%20Iperf.zip">http://dl.dropbox.com/u/10123514/Linux%20versus%20XP%20versus%20Windows7%20Iperf.zip</a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Barry</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;border-width:initial;border-color:initial'><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Alexander Zimmermann [mailto:alexander.zimmermann@comsys.rwth-aachen.de]<span class=apple-converted-space> </span><br><b>Sent:</b><span class=apple-converted-space> </span>Wednesday, August 17, 2011 8:38 AM<br><b>To:</b><span class=apple-converted-space> </span>Agarwal, Anil<br><b>Cc:</b><span class=apple-converted-space> </span>Barry Constantine;<span class=apple-converted-space> </span><a href="mailto:anil@cmmacs.ernet.in">anil@cmmacs.ernet.in</a>;<span class=apple-converted-space> </span><a href="mailto:end2end-interest@postel.org">end2end-interest@postel.org</a><br><b>Subject:</b><span class=apple-converted-space> </span>Re: [e2e] TCP Performance with Traffic Policing</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>//<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>// Dipl.-Inform. Alexander Zimmermann<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>// Department of Computer Science, Informatik 4<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>// RWTH Aachen University<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>// Ahornstr. 55, 52056 Aachen, Germany<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>// phone: (49-241) 80-21422, fax: (49-241) 80-22222<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>// email: <a href="mailto:zimmermann@cs.rwth-aachen.de">zimmermann@cs.rwth-aachen.de</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>// web: <a href="http://www.umic-mesh.net">http://www.umic-mesh.net</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:7.0pt;font-family:"Helvetica","sans-serif";color:black'>//<o:p></o:p></span></p></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>