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<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial">Dear<o:p></o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial"> I met one issue and I can’t explain it. Could your give me a hand?<o:p></o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial"><o:p> </o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial">I have tried to use openRTSP to received
<font color="red"><span style="color:red">eight <st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1.3" UnitName="m" w:st="on">
1.3M</st1:chmetcnv> IPCAMs</span></font> on a Marvell host chip.<o:p></o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial">I have chosen both UDP and TCP for RTP transmission. But the CPU usage is quite different between UDP and TCP.<o:p></o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" color="red" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial;
color:red">UDP</span></font><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial">
took almost <font color="red"><span style="color:red">99% CPU</span></font> resource on receiving eight
<st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue="1.3" UnitName="m" w:st="on">
1.3M</st1:chmetcnv> IPCAM H.264 streams, but <font color="red"><span style="color:red">TCP</span></font> only took
<font color="red"><span style="color:red">30%</span></font> CPU resource<o:p></o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial">I can’t figure out why it happened. Have you met it before, or it’s just a correct performance cost?<o:p></o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial"><o:p> </o:p></span></font></p>
<p class="MsoNormal" style="layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt;font-family:Arial">Thanks in advance<o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="1" face="Arial"><span lang="EN-US" style="font-size:
9.0pt;font-family:Arial"><o:p> </o:p></span></font></p>
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